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Designed to succeed Honda's first two-stroke Grand Prix racer, the NS500 triple, NSR500 debuted in 1984 for the Grand Prix motorcycle racing's 500 cc class. Building on lessons learned from its three-cylinder predecessor, the new 90° V4 used a single crankshaft, making it lighter and more compact than its dual-crankshaft adversaries.
The V-twin water-cooled two-stroke used the same crankcase reed-valve induction as the Honda NSR500 V4. The 100-degree V2 also used a single crankshaft, a feature common to all of Honda's GP race bikes of the time. Weighing in at 103 kg, it produced a claimed 135 bhp (101 kW) when running on hi-octane avgas.
NSR500 (and privateer-dedicated NSR500V) Neither racing model designation is currently in use, with the NSR500 having been replaced by the MotoGP RC211V series when the premiere class returned to four stroke motors, and the NSR250 being discontinued in favor of the RS250 [1] model designation. The race replica series includes: Honda NSR50 ...
The Sabre V4 was a 500 cc two-stroke motorcycle that competed in the 2001 500 cc ... Shane Norval was contracted and two new NSR500 V-twins were purchased from Honda ...
The Honda NSR500 began and ended its life as a "screamer", where the pistons were phased similarly to a four-stroke V-four with a 180° crank. However, in 1990 Honda set the crankpin phases of each pair of pistons within each bank to be the same (like a four-stroke "droner": 360° crank), but with each bank's crankpins offset by 180° to each ...
The smallest engines and two-stroke engines have been phased out over the years. ... Honda NSR500; Honda NSR500V; Honda NX500; Honda RS500 ... Yamaha 250 V4; Yamaha ...
Two-stroke motorcycles are a type of internal combustion engine that completes a power cycle with two strokes of the piston during only one crankshaft revolution.
The factory Honda riders debuted the "big bang" engine, with the NSR500, where the firing order of the cylinders made the power come out in pulses. The benefit to this was in traction, allowing the tires to adhere between pulses, rather than spin because of the two-stroke 500’s peaky powerband.