Yamaha R1
200 hp, 998 cc, 439 lbs2015 - 2016
Kawasaki Z750
106 hp, 748 cc, 498 lbs2007 - 2012
EngineYamaha R1Kawasaki Z750
Engine code5VX8
Displacement998 cc748 cc
Max power200 hp (@13 500 RPM)106 hp (@10 500 RPM)
Max torque82 lb ft (@11 500 RPM)57 lb ft (@8 300 RPM)
Redline14 500 RPM12 100 RPM
Idling speed1 100 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression13.00:111.30:1
Oil capacity3.69 quart3.22 quart
Oil type10W40, motul 300v 10w40, shell rotella 10w40
Spark plug typeNGK CR9EK, NGK CR9EIX
CoolingLiquidLiquid
Valves1616
Bore79.0 mm68.4 mm
Stroke50.9 mm50.9 mm
Throttle bore45.0 mm32.0 mm
Weight to power2.19 lbs/hp4.70 lbs/hp
Power to weight1139 hp/2500lbs531 hp/2500lbs
Battery type12V 8Ah
GearboxYamaha R1Kawasaki Z750
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type525
Gears count66
Primary ratio1.6341.714
Final drive2.5622.867
1. gear2.6 (100 mph)2.571 (71 mph)
2. gear2.176 (119 mph)1.941 (94 mph)
3. gear1.824 (142 mph)1.556 (117 mph)
4. gear1.579 (165 mph)1.333 (136 mph)
5. gear1.381 (188 mph)1.2 (152 mph)
6. gear1.25 (208 mph)1.095 (166 mph)
ChasisYamaha R1Kawasaki Z750
Frame typeAluminium DeltaboxTubular steel, diamond
Front susp.Telescopic forks USD, Ø 43 mm, 120 mm travelTelescopic fork, 4.72 in travel
Rear susp.Swingarm, (link suspension), 4.72 in travelSwinagarm, uni-trak, 4.92 in travel