Yamaha FZ6-ST
98 hp, 600 cc, 456 lbs2006 - 2009
Kawasaki Z750
106 hp, 748 cc, 498 lbs2007 - 2012
EngineYamaha FZ6-STKawasaki Z750
Engine code5VX85VX8
Displacement600 cc748 cc
Max power98 hp (@12 000 RPM)106 hp (@10 500 RPM)
Max torque46 lb ft (@10 000 RPM)57 lb ft (@8 300 RPM)
Redline14 000 RPM12 100 RPM
Idling speed1 250 RPM1 100 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.20:111.30:1
Oil capacity2.37 quart3.22 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W4010W40, motul 300v 10w40, shell rotella 10w40
Spark plug typeNGK CR9EKNGK CR9EK, NGK CR9EIX
CoolingLiquidLiquid
Valves1616
Bore65.5 mm68.4 mm
Stroke44.5 mm50.9 mm
Throttle bore32.0 mm
Weight to power4.66 lbs/hp4.70 lbs/hp
Power to weight536 hp/2500lbs531 hp/2500lbs
Battery typeYT12B-BS12V 8Ah
GearboxYamaha FZ6-STKawasaki Z750
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDID 50V4525
Gears count66
Primary ratio1.9551.714
Final drive2.8752.867
1. gear2.846 (65 mph)2.571 (71 mph)
2. gear1.947 (94 mph)1.941 (94 mph)
3. gear1.556 (118 mph)1.556 (117 mph)
4. gear1.333 (138 mph)1.333 (136 mph)
5. gear1.19 (154 mph)1.2 (152 mph)
6. gear1.083 (170 mph)1.095 (166 mph)
ChasisYamaha FZ6-STKawasaki Z750
Frame typeDiamondTubular steel, diamond
Front susp.Telescopic fork, 5.12 in travelTelescopic fork, 4.72 in travel
Rear susp.Monoshock, coil spring/gas oil damperSwinagarm, uni-trak, 4.92 in travel