Honda RC51: Difference between revisions
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In 1988, new rules in superbike racing allowed V-twin engines up to 999 cc to compete. Prior to the rules change, 750 cc four-cylinder motorcycles were the dominant force in production based competition. During the first two years of the World Superbike championship, Honda won the series with their [[Honda VFR750R|RC30]], powered by a 750 cc V-4. In 1990, however, [[Raymond Roche]] secured [[Ducati]]'s first world title aboard the [[Ducati 851]]. Throughout the next 11 years, Ducati would go on to win 8 World Superbike Championships with their V-twins (Honda won two and [[Kawasaki Heavy Industries|Kawasaki]] just one).<ref name=riseandfall/> |
In 1988, new rules in superbike racing allowed V-twin engines up to 999 cc to compete. Prior to the rules change, 750 cc four-cylinder motorcycles were the dominant force in production based competition. During the first two years of the World Superbike championship, Honda won the series with their [[Honda VFR750R|RC30]], powered by a 750 cc V-4. In 1990, however, [[Raymond Roche]] secured [[Ducati]]'s first world title aboard the [[Ducati 851]]. Throughout the next 11 years, Ducati would go on to win 8 World Superbike Championships with their V-twins (Honda won two and [[Kawasaki Heavy Industries|Kawasaki]] just one).<ref name=riseandfall/> |
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Honda was unable to win consistently, particularly because of rival V-twins' displacement advantage over Honda's V-4. In 2000 Honda released the RC51, powered by a 999 cc liquid-cooled V-twin engine. That year, it won the World Superbike Championship with [[Colin Edwards]] riding for the [[Castrol]] team. In 2001, Ducati regained the title but the RC51 was still a contender boasting superior reliability with comparable speed and power. The RC51 won again in its final year of factory-supported racing in World Superbike in 2002 and that same year also captured the AMA Superbike title with [[Nicky Hayden]]. Honda had taken the lessons learned in the SP-1's first season, producing the SP-2 for 2002. A stronger, more rigid frame and swingarm were identical to the WSB race bike parts and engine modifications boosted peak power by 3 kW (4 bhp) and cut weight by 5 kg (11 lb). Factory specifications for road going SP-2s (sourced from Honda) were 133 bhp with a top speed of 170 mph. The factory racing edition RC51 was said to put out 185 bhp or more. |
Honda was unable to win consistently, particularly because of rival V-twins' displacement advantage over Honda's V-4. In [[2000 Superbike World Championship season|2000]] Honda released the RC51, powered by a 999 cc liquid-cooled V-twin engine. That year, it won the World Superbike Championship with [[Colin Edwards]] riding for the [[Castrol]] team. In 2001, Ducati regained the title but the RC51 was still a contender boasting superior reliability with comparable speed and power. The RC51 won again in its final year of factory-supported racing in World Superbike in 2002 and that same year also captured the AMA Superbike title with [[Nicky Hayden]]. Honda had taken the lessons learned in the SP-1's first season, producing the SP-2 for [[2002 Superbike World Championship season|2002]]. A stronger, more rigid frame and swingarm were identical to the WSB race bike parts and engine modifications boosted peak power by 3 kW (4 bhp) and cut weight by 5 kg (11 lb). Factory specifications for road going SP-2s (sourced from Honda) were 133 bhp with a top speed of 170 mph. The factory racing edition RC51 was said to put out 185 bhp or more. |
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'''2003–present''' |
'''2003–present''' |
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Revision as of 15:11, 20 December 2015
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| Manufacturer | Honda |
|---|---|
| Also called | RVT1000R VTR1000SP1 VTR1000SP2 |
| Production | 2000 - 2006 |
| Predecessor | RVF750 RC45 |
| Successor | CBR1000RR |
| Class | super bike |
| Engine | 999 cc liquid-cooled 90° V-twin |
| Transmission | Close-ratio six-speed |
| Wheelbase | 55.9 inches |
| Seat height | 32.5 inches |
| Weight | 439 pounds (dry) |
| Fuel capacity | 4.8 gallons, including 1.2 gallon reserve |
| Related | VTR1000F "Super Hawk" |
The Honda RC51, also known as the RVT1000R (in the United States) or VTR1000 (Europe and Australia), is a V-twin motorcycle produced by Honda from 2000 to 2006.
Mechanicals and chassis
The engine is a 999cc dual overhead cam V-twin unit with two fuel injectors and four valves per cylinder. Power is delivered to the rear wheel by a close-ratio, six-speed transmission. The chassis is constructed from aluminium alloy, being a twin-spar design.[1]
The RC51 is a racing superbike which benefits from gearbox sprocket changes for street use. Factory RC51s were highly geared for top speed performance.
History
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The RC51 was designed as the motorcycle to be used by Honda's racing teams in the Superbike World Championship.[2] The 2000–2001 models are designated SP1, while the 2002–2006 models are designated SP2 (the latter having updated fuel injection and suspension systems).
1988–2002 In 1988, new rules in superbike racing allowed V-twin engines up to 999 cc to compete. Prior to the rules change, 750 cc four-cylinder motorcycles were the dominant force in production based competition. During the first two years of the World Superbike championship, Honda won the series with their RC30, powered by a 750 cc V-4. In 1990, however, Raymond Roche secured Ducati's first world title aboard the Ducati 851. Throughout the next 11 years, Ducati would go on to win 8 World Superbike Championships with their V-twins (Honda won two and Kawasaki just one).[2]
Honda was unable to win consistently, particularly because of rival V-twins' displacement advantage over Honda's V-4. In 2000 Honda released the RC51, powered by a 999 cc liquid-cooled V-twin engine. That year, it won the World Superbike Championship with Colin Edwards riding for the Castrol team. In 2001, Ducati regained the title but the RC51 was still a contender boasting superior reliability with comparable speed and power. The RC51 won again in its final year of factory-supported racing in World Superbike in 2002 and that same year also captured the AMA Superbike title with Nicky Hayden. Honda had taken the lessons learned in the SP-1's first season, producing the SP-2 for 2002. A stronger, more rigid frame and swingarm were identical to the WSB race bike parts and engine modifications boosted peak power by 3 kW (4 bhp) and cut weight by 5 kg (11 lb). Factory specifications for road going SP-2s (sourced from Honda) were 133 bhp with a top speed of 170 mph. The factory racing edition RC51 was said to put out 185 bhp or more.
2003–present Honda stopped official support for superbike racing in 2003 (though some teams have had factory support) and as superbike rules changed to allow 1000 cc 4-cylinder bikes the RC51 was replaced by the CBR1000RR Fireblade as the Honda superbike racer. In 2004, Honda released the Nicky Hayden special edition, which differed from previous models in that it had a brushed aluminum frame and swing arm, a sticker kit, and white number plates on the front upper fairing and tail fairing. 2003 was the first year that Honda made improvements to the SP-2, bringing in a stronger and much lighter swing arm.
Notes
- ^ Mitchel 1985: 204
- ^ a b Brian Korfhage (2004-07-14). "Rise and Fall of Twins". Motorcycle-USA.com. Retrieved 2012-06-28.
References
Mitchel, Doug; Earnest, Brian (2005). Honda motorcycles: techs & specs. Iola, WI: KP Books, A Division of F+W Publications. ISBN 0-87349-966-2.