Yamaha R7
73 hp, 689 cc, 414 lbs2022
Kawasaki Z750
106 hp, 748 cc, 498 lbs2007 - 2012
EngineYamaha R7Kawasaki Z750
Engine codeCP25VX8
Displacement689 cc748 cc
Max power73 hp (@8 750 RPM)106 hp (@10 500 RPM)
Max torque49 lb ft (@6 500 RPM)57 lb ft (@8 300 RPM)
Redline10 000 RPM12 100 RPM
Idling speed1 200 RPM1 100 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-4
Compression11.50:111.30:1
Oil capacity2.18 quart3.22 quart
Oil type10W40, 10W5010W40, motul 300v 10w40, shell rotella 10w40
Spark plug typeNGK LMAR8A-9NGK CR9EK, NGK CR9EIX
CoolingLiquidLiquid
Valves816
Bore80.0 mm68.4 mm
Stroke68.6 mm50.9 mm
Throttle bore32.0 mm
Weight to power5.68 lbs/hp4.70 lbs/hp
Power to weight440 hp/2500lbs531 hp/2500lbs
Battery typeYTZ7S 12V 6Ah12V 8Ah
GearboxYamaha R7Kawasaki Z750
TypeSequentialSequential
ClutchSlipperWet
DriveChainChain
Chain type525
Gears count06
Primary ratio1.714
Final drive2.867
1. gear2.8462.571 (71 mph)
2. gear2.1251.941 (94 mph)
3. gear1.6321.556 (117 mph)
4. gear1.31.333 (136 mph)
5. gear1.0911.2 (152 mph)
6. gear0.9641.095 (166 mph)
ChasisYamaha R7Kawasaki Z750
Frame typeDiamond steel frameTubular steel, diamond
Front susp.KYB 41mm USD, 5.12 in travelTelescopic fork, 4.72 in travel
Rear susp.Monoshock, 5.12 in travelSwinagarm, uni-trak, 4.92 in travel