2017 Yamaha Vmax Horsepower

2017 Yamaha Vmax Horsepower

Japanese motorcycle manufacturer

This article is about the motorcycle division spun off from Yamaha Corporation. For the original Yamaha, see Yamaha Corporation.

Coordinates: 34°43′29″N 137°52′38″E  /  34.7246951°N 137.8773371°E  / 34.7246951; 137.8773371

Yamaha Motor Co., Ltd.

Native name	ヤマハ発動機株式会社
Romanized name	Yamaha Hatsudōki Kabushiki-gaisha
Type	Public
Traded as	TYO: 7272
Industry	Automotive
Founded	1 May 1955; 66 years ago  (1955-05-01)
Headquarters	Iwata, Shizuoka , Japan
Area served	Worldwide
Key people	Hiroyuki Yanagi (Chairman & Representative Director) Yoshihiro Hidaka (President & Representative Director)
Products	Motorcycles, commuter vehicles & scooters, recreational vehicles, boats, marine engines, snowmobiles, small tractors, personal watercraft, electrically power assisted bicycles, automobile engines, unmanned aerial vehicles, golf carts, cycling components
Owners	Yamaha Corporation (9.92%) Toyota (3.58%)
Number of employees	52,664 (as of December 31, 2014)
Subsidiaries	MBK
Website	global.yamaha-motor.com

Yamaha Motor Co., Ltd. (ヤマハ発動機株式会社, Yamaha Hatsudōki Kabushiki-gaisha) is a Japanese manufacturer of motorcycles, marine products such as boats and outboard motors, and other motorized products. The company was established in 1955 upon separation from Yamaha Corporation (however, Yamaha Corporation is still the largest private company shareholder with 9.92%, as of 2019),^[1] and is headquartered in Iwata, Shizuoka, Japan. The company conducts development, production and marketing operations through 109 consolidated subsidiaries as of 2012.^{[2] [3]}

Led by Genichi Kawakami, the company's founder and first president, Yamaha Motor began production of its first product, the YA-1, in 1955. The 125cc motorcycle won the 3rd Mount Fuji Ascent Race in its class.

The company's products include motorcycles, scooters, motorized bicycles, boats, sail boats, personal water craft, swimming pools, utility boats, fishing boats, outboard motors, 4-wheel ATVs, recreational off-road vehicles, go-kart engines, golf carts, multi-purpose engines, electrical generators, water pumps, snowmobiles, small snow throwers, automobile engines, surface mounters, intelligent machinery, industrial-use unmanned helicopters, electrical power units for wheelchairs and helmets. The company is also involved in the import and sales of various types of products, development of tourist businesses and management of leisure, recreational facilities and related services. Yamaha's motorcycle sales are the second largest in the world^[4] and Yamaha is the world leader in water vehicle sales.^[5]

History [edit]

Beginnings: 1955 [edit]

The motorcycle division of Yamaha was founded in 1955, being incorporated on 1 July 1955 in Japan,^[6] and was headed by Genichi Kawakami. Yamaha's initial product was a 125 cc (7.6 cu in) two-cycle, single cylinder motorcycle, the YA-1, which was a copy of the German DKW RT 125. The YA-1 was a competitive success at racing from the beginning, winning not only the 125cc class in the Mt. Fuji Ascent, but also sweeping the podium with first, second and third place in the All Japan Autobike Endurance Road Race that same year.^[7] Early success in racing set the tone for Yamaha, as competition in many varieties of motorcycle racing has been a key endeavor of the company throughout its history, often fueled by a strong rivalry with Honda, Suzuki, Kawasaki and other Japanese manufacturers.

Yamaha began competing internationally in 1956 when they entered the Catalina Grand Prix, again with the YA-1, at which they placed sixth. The YA-1 was followed by the YA-2 of 1957, another 125cc two stroke, but with significantly improved frame and suspension.^[8] The YD-1 of 1957 was a 250cc two-stroke twin cylinder motorcycle, resembling the YA-2, but with a larger and more powerful motor. A performance version of this bike, the YDS-1 housed the 250cc two-stroke twin in a double downtube cradle frame and offered the first five-speed transmission in a Japanese motorcycle.^[9] This period also saw Yamaha offer its first outboard marine engine.

Success and growth in the 1960s [edit]

By 1963 Yamaha's dedication to both the two-stroke engine and racing paid off with their first victory in international competition, at the Belgium GP, where they won the 250cc class. Success in sales was even more impressive, and Yamaha set up the first of its international subsidiaries in this period beginning with Thailand in 1964, and the Netherlands in 1968. 1965 saw the release of a 305cc two-stroke twin, the flagship of the company's lineup. It featured a separate oil supply which directly injected oil into the gasoline prior to combustion (traditionally riders had to pre-mix oil into gasoline together before filling the gas tank on two stroke engines). In 1967 a new larger displacement model was added to the range, the 350cc two stroke twin R-1.

In 1968 Yamaha launched their first four-stroke motorcycle, the XS-1. The Yamaha XS-1 was a 650cc four-stroke twin, a larger and more powerful machine that equaled the displacement and performance of the popular British bikes of the era, such as the Triumph Bonneville and BSA Gold Star. Yamaha continued on with both the two-stroke line and four-stroke twins at a time that other Japanese manufacturers were increasingly moving to four cylinder four-stroke machines, a trend led by Honda in 1969 with the legendary CB-750 four-stroke four-cylinder cycle.

Two stroke era begins: the 1970s [edit]

In the early 1970s, Yamaha added reed-valve induction to its previously piston-ported designs to produce the twin-cylinder RD and single-cylinder RS families, with variants in a number of capacities. There was a persistent, but apocryphal, rumour to the effect that "RD" indicated race developed. In fact, "R" appears to have indicated reed valved, "D" the twin (or double) cylinder models and "S" the single-cylinder models. The RD family would be developed through the 1970s and 1980s, gaining solid wheels, water-cooling, YPVS, and other newer technology 'til they had little in common with the original variants (before being supplanted by the TZR). The RS family was produced for many years in a large number of variants by Yamaha and then Escorts Limited in India without losing its resemblance to its progenitors. In addition to the RD and RS standards, Yamaha also manufactured small standards with stamped steel frames and rotary disc-valved motors such as the Yamaha FS1, and step-through V-50 and V-80 designs. Its Enduro trail bike was replaced by the DT models. Not until 1976 would Yamaha answer the other Japanese brands with a multi-cylinder four stroke of their own. The XS-750 (and later 850) a 750cc triple cylinder machine with shaft final drive was introduced almost seven years after Honda's breakthrough bike. Yamaha's first four-cylinder model, the XS-1100 followed in 1978, again with shaft drive.^[10] Despite being heavier and more touring oriented than its rivals it produced an impressive string of victories in endurance racing.

The 1970s also saw some of the first dedicated off-road bikes for off-road racing and recreation. Yamaha was an early innovator in dirt-bike technology, and introduced the first single-shock rear suspension, the trademarked "Monoshock" of 1973.^[11] It appeared in production on the 1974 Yamaha YZ-250, a model which is still in production, making it Yamaha's longest continuous model and name.

Yamaha continued racing throughout the 1960s and 1970s with increasing success in several formats. The decade of the 1970s was capped by the XT500 winning the first Paris-Dakar Rally in 1979.^[12]

1980s: diversification and innovation [edit]

By 1980 the combination of consumer preference and environmental regulation made four strokes increasingly popular. Suzuki ended production of their GT two stroke series, including the flagship water-cooled two-stroke 750cc GT-750 in 1977. Kawasaki, who had considerable success throughout the 1970s with their two-stroke triples of 250cc, 350cc, 500cc and 750cc ended production of road-going two strokes in 1980. Yamaha bucked this trend and continued to refine and sell two-strokes for the street into the 1980s. These bikes were performance oriented, water-cooled twin cylinder machines, designed to achieve excellent performance taking advantage of the lower weight of two strokes. The RZ-250 of 1980^[13] was the progenitor of this series. The RZ-350, the largest displacement model, was a popular hot-rod bike of the 1980s and continued to be sold in some countries into the early 1990s.

Throughout the 1980s the motorcycle industry gradually went from building a few basic but versatile models designed to work well in many roles, to offering many more specialized machines designed to excel in particular niches. These included racing and performance street riding, touring, motocross racing, enduro and recreational off-road riding, and cruising. Yamaha branched out from the relatively small number of UJMs (Universal Japanese Motorcycle) at the start of the decade to a much larger set of offerings in several clearly defined markets at the end of the decade.

The XV750 of 1981 featured an air-cooled V-twin four-stroke engine and cruiser styling, and was one of the first Japanese cruiser style motorcycles. By the end of the 1980s Yamaha had offered dozens of cruiser styled bikes in a variety of displacements and engine configurations.

The RZV500 was one of the first "repli-racers", a near copy of Kenny Roberts competition GP bike, it featured a liquid-cooled two-stroke motor of 500cc displacement in a V4 configuration, along with a perimeter frame and full fairing.^[14]

A more popular and practical high-performance model for the street was introduced in 1985, the FZ750. It was an innovative 750cc four-stroke inline four cylinder model. It was the first motorcycle to feature a five-valve cylinder head, something Yamaha became well known for. It also featured a cylinder block canted forward at 45 degrees, and a box-section steel perimeter frame. Production of the FZ continued until 1991.

Another bike that was performance-oriented was the Yamaha RX-Z, introduced in 1985 as a two-stroke naked sport bike, related to the Yamaha RX-135 and Yamaha RD-135, borrowing its chassis and platform. Originally equipped with a five speed transmission and a solid front disc brake rotor with rear drum brakes, it was popular in Malaysia and Singapore. After a few years on the market, the engine was upgraded with the installation of a six-speed transmission, together with a newer instrument panel and handlebar switches, as well as a cross-drilled front disc brake rotor, while the rear remained with the drum brakes. The design was unchanged until it was updated in 2004, with the rear lights being borrowed by the Yamaha Y125Z and a new headlight. It was also installed with a catalytic converter, which reduced its horsepower to 19bhp. However, the maximum torque remained unchanged but the low-end torque was improved compared to the early models. Some owners of the earlier RX-Z motorcycles may have problems during take-off because the engine tends to stall when an inexperienced rider tries to take off in the first gear. However, the problem was resolved in the new model. In Malaysia, this bike was associated with street racers and was featured in many Malay movies. In 2011, after 26 years, it was discontinued.

The 1990s: Performance bikes and a spin-off brand [edit]

In 1998 Yamaha marketed a 1000cc four cylinder road bike called the YZF 'R1', this model introduced a new style of gearbox design which shortened the overall length of the motor/gearbox case, to allow a more compact unit. This, in turn allowed the motor to be placed in the frame further forward, designed to improve handling in a short wheel-based frame.^[15]

In 1995, Yamaha announced the creation of Star Motorcycles, a new brand name for its cruiser series of motorcycles in the American market. In other markets, Star motorcycles are still sold under the Yamaha brand. This was an attempt to create a brand identity more closely aligned with the cruiser market segment, one of the largest and most lucrative in the USA.

The 2000s: Expansion and consolidation [edit]

In 2007, Yamaha established the Philippine operations and distributes Yamaha motorcycles under the corporate name of Yamaha Motor Philippines, Inc., one of more than 20 worldwide subsidiaries operating on all continents.

Yamaha purchased small engine maker Subaru Industrial Power Products from Subaru in October 2017. Subaru's engines powered lawnmowers, generators and water pumps and have since been rebranded as Yamaha.

Motorcycle racing highlights [edit]

Three-time Grand Championship winner Kenny Roberts at the 1981 German Grand Prix.

In motorcycle racing Yamaha has won 39 world championships, including 7 in MotoGP and 10 in the preceding 500 cc two-stroke class, and 1 in World Superbike. In addition Yamaha have recorded 208 victories at the Isle of Man TT^[16] and head the list of victories at the Sidecar TT with 40.^[16] Past Yamaha riders include: Jarno Saarinen Giacomo Agostini, Bob Hannah, Heikki Mikkola, Bruce Anstey, Kenny Roberts, Eddie Lawson, Wayne Rainey, Jeremy McGrath, Stefan Merriman, Dave Molyneux, Ian Hutchinson, Phil Read, Chad Reed, Ben Spies, Jorge Lorenzo, and nine-time world champion Valentino Rossi. Their current lineup consists of Fabio Quartararo and Maverick Viñales.

The Yamaha YZ450F won the AMA Supercross Championship two years in a row, in 2008 with Chad Reed, and 2009 James Stewart. Yamaha was the first to build a production monoshock motocross bike (1975 for 250 and 400, 1976 for 125) and one of the first to have a water-cooled motocross production bike (1977 in works bikes, 1981 in off-the-shelf bikes). Yamaha's first Motocross competition four-stroke bike, the YZ400F, won the 1998 USA outdoor national Championship with factory rider Doug Henry.

Since 1962, Yamaha made production road racing Grand Prix motorcycles that any licensed road racer could purchase. In 1970, non-factory privateer teams dominated the 250 cc World Championship with Great Britain's Rodney Gould winning the title on a Yamaha TD2.

Yamaha also sponsors several professional ATV riders in several areas of racing, such as cross country racing and motocross. Yamaha has had success in cross country with their YFZ450, ridden by Bill Ballance, winning 9 straight titles since 2000. Yamaha's other major rider, Traci Cecco, has ridden the YFZ450 to 7 titles, with the first in 2000. In ATV motocross, Yamaha has had success with Dustin Nelson and Pat Brown, both who race the YFZ450. Pat Brown's best season was a 3rd place title in 2007, while Nelson has had two 1st place titles in the Yamaha/ITP Quadcross, one in 2006 and the other in 2008.

Formula One [edit]

Yamaha as a Formula One engine manufacturer

Formula One World Championship career
First entry	1989 Brazilian Grand Prix
Last entry	1997 European Grand Prix
Races entered	130 (116 starts)
Chassis	Zakspeed, Brabham, Jordan, Tyrrell, Arrows
Constructors' Championships	0
Drivers' Championships	0
Race victories	0
Podiums	2
Points	36
Pole positions	0
Fastest laps	0

Yamaha produced Formula One engines from 1989 to 1997 (with a one-year break in 1990), initially for the Zakspeed team, in 1991 for the Brabham BT60Y, in 1992 for the Jordan 192, from 1993 to 1996 for Tyrrell, and in 1997 for the Arrows A18. The Yamaha Engines never won a race (Damon Hill nearly did so at the 1997 Hungarian Grand Prix), drivers including Damon Hill, Ukyo Katayama, Mark Blundell and Mika Salo scored some acceptable results with Blundell achieving a surprise 3rd place at the 1994 Spanish Grand Prix and Hill with 2nd at the aforementioned 1997 Hungarian Grand Prix, this partly was considered to be due to Yamaha collaborating with the John Judd Engine Organization to create a better and reliable engine however there were questions raised as to whether the Yamaha Engines used from 1993 until 1997 were just Judd engines with the Yamaha branding on top of this.

1994 was considered to be Yamaha's most successful year in terms of points accured, apart from the Podium achieved by Blundell in Spain the Yamaha engine in the Tyrrell Car achieved 4 Fifth Place finishes and 1 Sixth Place finish over the course of the season, However, due to the inconsistency of the engine over the years they were often unreliable and were usually regarded as not very powerful, the Yamaha powered engine never secured a Fastest Lap or Pole Position despite being on the grid for nearly a decade.

After the conclusion of the 1997 Formula One Season, Yamaha decided to pull out of the sport, a possible reason for this was due to a disagreement with Arrows regarding the 1998 engine's identification, Yamaha wished to carry out work on the engine with their engineers while Arrows wished for their own engineers to work on the engine instead while still having it badged as a Yamaha engine.

Formula One World Championship results [edit]

(key)

Year	Entrant	Chassis	Engine	Tyres	Drivers	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	Points	WCC
1989	West Zakspeed Racing	Zakspeed 891	Yamaha OX88 3.5 V8	P		BRA	SMR	MON	MEX	USA	CAN	FRA	GBR	GER	HUN	BEL	ITA	POR	ESP	JPN	AUS		0	NC
					Bernd Schneider	Ret	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	Ret	DNPQ
					Aguri Suzuki	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ	DNPQ
1991	Motor Racing Developments	Brabham BT59Y Brabham BT60Y	Yamaha OX99 3.5 V12	P		USA	BRA	SMR	MON	CAN	MEX	FRA	GBR	GER	HUN	BEL	ITA	POR	ESP	JPN	AUS		3	9th
					Martin Brundle	11	12	11	EX	Ret	Ret	Ret	Ret	11	Ret	9	13	12	10	5	DNQ
					Mark Blundell	Ret	Ret	8	Ret	DNQ	Ret	Ret	Ret	12	Ret	6	12	Ret	Ret	DNPQ	17
1992	Sasol Jordan Yamaha	Jordan 192	Yamaha OX99 3.5 V12	G		RSA	MEX	BRA	ESP	SMR	MON	CAN	FRA	GBR	GER	HUN	BEL	ITA	POR	JPN	AUS		1	11th
					Stefano Modena	DNQ	Ret	Ret	DNQ	Ret	Ret	Ret	Ret	Ret	DNQ	Ret	15	DNQ	13	7	6
					Maurício Gugelmin	11	Ret	Ret	Ret	7	Ret	Ret	Ret	Ret	15	10	14	Ret	Ret	Ret	Ret
1993	Tyrrell Racing Organisation	Tyrrell 020C Tyrrell 021	Yamaha OX10A 3.5 V10	G		RSA	BRA	EUR	SMR	ESP	MON	CAN	FRA	GBR	GER	HUN	BEL	ITA	POR	JPN	AUS		0	NC
					Ukyo Katayama	Ret	Ret	Ret	Ret	Ret	Ret	17	Ret	13	Ret	10	15	14	Ret	Ret	Ret
					Andrea de Cesaris	Ret	Ret	Ret	Ret	DSQ	10	Ret	15	NC	Ret	11	Ret	13	12	Ret	13
1994	Tyrrell Racing Organisation	Tyrrell 022	Yamaha OX10B 3.5 V10	G		BRA	PAC	SMR	MON	ESP	CAN	FRA	GBR	GER	HUN	BEL	ITA	POR	EUR	JPN	AUS		13	7th
					Ukyo Katayama	5	Ret	5	Ret	Ret	Ret	Ret	6	Ret	Ret	Ret	Ret	Ret	7	Ret	Ret
					Mark Blundell	Ret	Ret	9	Ret	3	10	10	Ret	Ret	5	5	Ret	Ret	13	Ret	Ret
1995	Nokia Tyrrell Yamaha	Tyrrell 023	Yamaha OX10C 3.0 V10	G		BRA	ARG	SMR	ESP	MON	CAN	FRA	GBR	GER	HUN	BEL	ITA	POR	EUR	PAC	JPN	AUS	5	8th
					Ukyo Katayama	Ret	8	Ret	Ret	Ret	Ret	Ret	Ret	7	Ret	Ret	10	Ret		14	Ret	Ret
					Gabriele Tarquini														14
					Mika Salo	7	Ret	Ret	10	Ret	7	15	8	Ret	Ret	8	5	13	10	12	6	5
1996	Tyrrell Yamaha	Tyrrell 024	Yamaha OX11A 3.0 V10	G		AUS	BRA	ARG	EUR	SMR	MON	ESP	CAN	FRA	GBR	GER	HUN	BEL	ITA	POR	JPN		5	8th
					Ukyo Katayama	11	9	Ret	DSQ	Ret	Ret	Ret	Ret	Ret	Ret	Ret	7	8	10	12	Ret
					Mika Salo	6	5	Ret	DSQ	Ret	5	DSQ	Ret	10	7	9	Ret	7	Ret	11	Ret
1997	Danka Arrows Yamaha	Arrows A18	Yamaha OX11C/D 3.0 V10	B		AUS	BRA	ARG	SMR	MON	ESP	CAN	FRA	GBR	GER	HUN	BEL	ITA	AUT	LUX	JPN	EUR	9	8th
					Damon Hill	DNS	17	Ret	Ret	Ret	Ret	9	12	6	8	2	13	Ret	7	8	12	Ret
					Pedro Diniz	10	Ret	Ret	Ret	Ret	Ret	8	Ret	Ret	Ret	Ret	7	Ret	13	5	13	Ret

Products [edit]

Overview [edit]

Yamaha Motor is a highly diversified company which produces products for a large number of industries and consumer market segments:

• Motorcycles: Sport bikes, Star Cruiser bikes, trail bikes, road racers and motocross racers
• Commuter vehicles, including scooters
• Recreational vehicles: All-terrain vehicles and snowmobiles
• Boats: Powerboats, sailboats (e.g. Yamaha 26, a sailboat produced in the 1970s), utility boats and custom boats
• Marine engines: Outboard motors, electric marine motors, marine diesel engines and stern drives^[17]
• Personal watercraft – see WaveRunner
• Electric bicycles
• Automobile engines
• Industrial-use unmanned helicopters
• Golf cars
• Power products: generators, multipurpose engines, water pumps and snow throwers
• Swimming pools, watersliders and pool-related equipment
• Intelligent machinery, including compact industrial robots
• Electric wheelchairs and wheelchair electric drive units
• Yamaha parts and accessories, apparel, cycle helmets and motor oil^[18]
• Industrial robots and surface mounters^[19]

Automobile engines [edit]

Yamaha-built DOHC V6 Ford Taurus SHO engine

Yamaha has built engines for other manufacturers' vehicles beginning with the development and production of the Toyota 2000GT (1967). The cylinder head from the Toyota 4A-GE engine was developed by Yamaha and built at Toyota's Shimayama plant alongside the 4A and 2A engines.^[20]

In 1984, executives of the Yamaha Motor Corporation signed a contract with the Ford Motor Company to develop, produce, and supply compact 60° 3.0 Liter DOHC V6 engines for transverse application for the 1989–95 Ford Taurus SHO.^{[21] [22]} From 1993 to 1995, the SHO engine was produced in 3.0 and 3.2 Liter versions. Yamaha jointly designed the 3.4 Liter DOHC V-8 engine with Ford for the 1996–99 SHO. Ford and Yamaha also developed the Zetec-SE branded 4-cylinder engines used in several Ford cars like the small sports car Ford Puma.

From 2005 to 2010, Yamaha produced a 4.4 Litre V8 for Volvo. The B8444S engines were used in the XC90 and S80 models, whilst also adapted to 5.0L configuration for Volvo's foray into the V8 Supercars with the S60. British sportscar maker Noble also uses a bi-turbo version of the Volvo V8 in their M600.

All performance-oriented cylinder heads on Toyota/Lexus engines were designed and/or built by Yamaha. Some examples are the 1LR-GUE engine found on the 2010–2012 Lexus LFA, the 2UR-GSE found in Lexus ISF, the 3S-GTE engine found on the Toyota MR2 and Toyota Celica GT4/All-Trac, the 2ZZ-GE engine found on the 1999–2006 Toyota Celica GT-S and Lotus Elise Series 2, and the Toyota 4GR-FSE engine found on the Lexus IS250.^[23]

Yamaha also tunes engines for manufacturers, such as Toyota, so Yamaha logos are on Toyota S engines.^[24]

Yamaha also tried to produce a supercar in the 1990s, named the Yamaha OX99-11. It was made as a supercar to have an Yamaha Formula 1 engine as its powerplant and have Formula 1 technology in it. Even though their engines did not win a Grand Prix, by 1991 the team had produced a new engine, the OX99, and approached a German company to design an initial version of the car. Yamaha was not pleased with the result as it was too similar to sport cars of that time, so it contacted IAD to continue working on the project. By the beginning of 1992, just under 12 months after starting to work on the project, IAD came with an initial version of the car. The car's design was undertaken by Takuya Yura, and was originally conceived as a single seater; however, Yamaha requested a two-seater vehicle and a tandem seating arrangement was suggested which was in keeping with Yamaha's motorcycle expertise. This resulted in a radical and somewhat outrageous design based on Group C cars of the time, with features such as the cockpit-locking roof. It also shared the same chassis as the Formula 1 car, to try to give the consumer market a pure Formula 1 experience. Eventually disagreements with IAD over the budget made Yamaha take the project to its own Ypsilon Technology which was given six months to finish the project, otherwise it would be terminated. To make matters worse, Japan was in the midst of an economic downturn, which made Yamaha believe there would be no customers for the car, and so the project was cancelled in 1994 after many delays, with only 3 prototypes in existence.

Snowmobiles [edit]

In 2007, Yamaha became the only snowmobile manufacturer to use a four-stroke only across its line-up (in the United States only – the VK 540 model remained available as a 2-stroke in other markets). Yamaha had introduced 4-strokes to their line-up in 2003 with the release of the RX-1. This 4 cylinder model became the first performance-oriented 4-stroke snowmobile on the market (it was not the first modern 4-stroke snowmobile produced - that honor belongs to Arctic Cat for their Yellowstone Special (released in 2000), which was designed as a rental sled that could meet Yellowstone National Park's stringent emission requirement). However, Yamaha received much criticism for its weight disadvantage when compared to similar 2-strokes, despite its fuel economy and low-range torque. Yamaha further used 4-stroke technology to introduce the 80FI engine equipped in the Phazer and Venture Lite models in order to provide small displacement, lower horsepower models marketed towards smaller riders. This engine had one of the highest specific output of any 4-stroke in production, with 160 HP/L. Yamaha achieves this even without the use of a forced induction system. Yamaha is also a key player in the "4-Stroke Wars", which are a series of advertisements from opponent Ski-Doo, who claim their E-Tec-equipped 2-strokes are still cleaner and more efficient than 4-strokes, while Yamaha claims the 4-strokes are cleaner and more reliable.

Yamaha also broke a multi-year absence from sno-cross in the winter of 2006/2007 with their introduction of a factory race team headed by former Arctic Cat racer Robbie Malinoski. Yamaha was the first brand to win with a 4-stroke snowmobile in a professional snowcross race during 2006 at the WPSA Snowcross Championship.

Current line-up [edit]

In a partnership with Arctic Cat (now owned by Textron), Yamaha Motor Company supplies the 1,050cc 3-cylinder (135+ HP) and 998cc 3-cylinder turbocharged (180+ HP) engines for use in a collaborative chassis sold under each brand name. While there are similarities between the respective manufacturers' models, small differences can be noted. SR Viper (Arctic Cat 7000-series equivalent) and SideWinder (Arctic Cat 9000-series equivalent) models are equipped with Yamaha clutches and changes to certain plastic body panels (such as the color, suspension set-up, windshield and intercooler housing on turbocharged models). The suspension layout, chassis, gauge package, and handlebar switchgear remain the same between both brand's snowmobiles. This partnership was established for the 2014 model year with the introduction of the 2014 SR Viper and Arctic Cat 7000-series line-up.

In 2017, Arctic Cat and Yamaha introduced the world's most powerful snowmobile engine with the release of the SideWinder and 9000-series line-ups. Historic "Japan Built" models (such as the Apex and RS Vector lineups) and most SR Viper models were removed from production to support the sale of "hold-over" units from previous models years at MSRP. This was a new move to the industry in order to support dealerships and sell the large number of previous model year snowmobiles that have remained unsold.

The lineup currently consists of the following:

Sidewinder SRX LE (Spring Order only)
Sidewinder LTX LE (Spring Order only), LTX SE (In-Season "Sport"), & LTX DX (In-Season "Comfort")
Sidewinder XTX LE (Spring Order only) & XTX SE (In-Season "Sport")
Sidewinder BTX LE (Spring Order only)
Sidewinder MTX LE (Spring Order only)
SR Viper LTX (In-Season)
VK 540 (In-Season)
Sno Scoot 120 & Sno Scoot 200

All-terrain vehicles (ATV) vehicles [edit]

• Raptor 50
• YFZ50 (2017– )
• Tri-Zinger 60
• 4-Zinger 60 (1986)
• YT70
• Badger 80
• Moto-4 80
• Grizzly 80
• Raptor 80
• Raptor 90 (2016– )
• Champ 100
• Breeze 125
• Grizzly 125
• Raptor 125
• Tri Moto 125
• Tri Moto 175
• Blaster 200 (1988–2006)
• Moto-4 200
• Tri Moto 200
  • YFM200E "Yamahauler"
• Moto-4 225
• Tri Moto 225
• Pro Hauler 230
• BearTracker 250
• Moto-4 250
• Raptor 250R
• Timberwolf 250
• Tri-Z 250
• Banshee 350 (1987–2008)
• Big Bear 250^[25]
• Big Bear 350
• Grizzly 350
• Moto 4 350
• Raptor 350
• Terrapro 350
• Warrior 350
• Bruin 350
• Wolverine 350
• Big Bear 400
• Grizzly 400
• Kodiak 400
• Grizzly 450
• Kodiak 450
• YFZ450
• Wolverine 450
• Grizzly 550
• Grizzly 600
• Grizzly 660
• Raptor 660R (2001–2005)
• Grizzly 700
• Kodiak 700
• Raptor 700R (2006— )
• YXZ1000R

Deltabox frame [edit]

Deltabox frame is an aluminum tubular frame for motorcycles of the Yamaha brand.

It was introduced on the Carlos Lavado and Martin Wimmer factory racers in Assen in 1985. The frame consisted of two triangle (delta) shaped pieces, assembled in a box shape (box). The frame was soon followed by other sporty Yamahas and was copied a lot by other brands.

In 1985, Suzuki introduced MR-ALbox (Multi Rib ALuminum BOX) which was aluminum frame for GSX-R 1100. Suzuki also introduced DC-Albox (Dual Cell ALuminum BOX). This frame showed multiple similarity with Deltabox. It was introduced to the market of Japan in 1989 the Suzuki 250 Wolf, in Europe with the Suzuki RGV250.

The Delta box II frame was introduced in 1998. This was the successor to Deltabox, presented on the Yamaha YZF-R1. Delta box II delivered an even greater rigidity and - on the R1 – allowing bigger curving angle and better trailing.

Delta box III was presented at the 2002 Yamaha YZF-R1. Delta box III was again 30% stiffer than Delta box II. There was an attached rear frame.

References [edit]

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External links [edit]

• Official website
• Yamaha Motor India. India site
• Yamaha Motorcycles at Curlie

2017 Yamaha Vmax Horsepower

Source: https://en.wikipedia.org/wiki/Yamaha_Motor_Company

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