Kawasaki Z750
110 hp, 748 cc, 485 lbs2004 - 2006
Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
EngineKawasaki Z750Yamaha R6
Displacement748 cc600 cc
Max power110 hp (@11 000 RPM)121 hp (@13 000 RPM)
Max torque56 lb ft (@7 800 RPM)44 lb ft (@12 000 RPM)
Redline11 500 RPM15 500 RPM
Idling speed1 100 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression11.30:112.40:1
Oil capacity3.60 quart3.22 quart
Oil type10W4010W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EKNGK CR9EK, NGK CR10EK
CoolingLiquidLiquid
Valves1616
Bore68.4 mm65.5 mm
Stroke50.9 mm44.5 mm
Throttle bore34.0 mm38.0 mm
Weight to power4.41 lbs/hp3.32 lbs/hp
Power to weight566 hp/2500lbs753 hp/2500lbs
Battery type12V 8Ah12 V 8 Ah, GT9B-4
GearboxKawasaki Z750Yamaha R6
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio1.7141.955
Final drive2.8673.0
1. gear2.571 (67 mph)2.846 (68 mph)
2. gear1.941 (89 mph)1.947 (100 mph)
3. gear1.555 (111 mph)1.556 (125 mph)
4. gear1.333 (129 mph)1.333 (146 mph)
5. gear1.2 (144 mph)1.19 (164 mph)
6. gear1.095 (158 mph)1.083 (180 mph)
ChasisKawasaki Z750Yamaha R6
Frame typeDiamond
Front susp.51mm forkTelescopic fork USD, 4.72 in travel
Rear susp.Swingarm link, spring/gas-oil damper
Dyno chart of 2004 Kawasaki Z750