Yamaha R1
170 hp, 998 cc, 428 lbs2004
Kawasaki Ninja 250R
32 hp, 249 cc, 373 lbs2007 - 2012
EngineYamaha R1Kawasaki Ninja 250R
Displacement998 cc249 cc
Max power170 hp (@12 500 RPM)32 hp (@11 000 RPM)
Max torque78 lb ft (@10 500 RPM)16 lb ft (@9 500 RPM)
Redline13 500 RPM14 000 RPM
Idling speed1 300 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-2
Compression12.40:111.60:1
Oil capacity3.60 quart1.23 quart
Oil type15W50, Motul 300V 15W50, Liqui Moly 15W5010W40, Kawasaki 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EKNGK CR8E
CoolingLiquidLiquid
Valves168
Bore77.0 mm62.0 mm
Stroke53.6 mm41.2 mm
Weight to power2.52 lbs/hp11.64 lbs/hp
Power to weight993 hp/2500lbs214 hp/2500lbs
Battery type12V 8Ah, YTX9-BS
GearboxYamaha R1Kawasaki Ninja 250R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type520
Gears count66
Primary ratio1.5123.087
Final drive2.6473.071
1. gear2.533 (97 mph)2.6 (41 mph)
2. gear2.063 (119 mph)1.789 (60 mph)
3. gear1.762 (139 mph)1.409 (75 mph)
4. gear1.522 (161 mph)1.16 (91 mph)
5. gear1.364 (180 mph)1.0 (106 mph)
6. gear1.269 (194 mph)0.893 (119 mph)
ChasisYamaha R1Kawasaki Ninja 250R
Frame typeDiamondTubular, diamond
Front susp.Telescopic fork - Coil spring/oil damper (120 mm travel)Telescopic fork, 4.72 in travel
Rear susp.Swingarm (link suspension) - Coil spring/gas-oil damperSwingarm (uni-trak), 5.12 in travel