Yamaha FZ6-ST
98 hp, 600 cc, 456 lbs2006 - 2009
Kawasaki Z1000
125 hp, 953 cc, 487 lbs2007 - 2009
EngineYamaha FZ6-STKawasaki Z1000
Engine code5VX8
Displacement600 cc953 cc
Max power98 hp (@12 000 RPM)125 hp (@10 000 RPM)
Max torque46 lb ft (@10 000 RPM)73 lb ft (@8 200 RPM)
Redline14 000 RPM11 000 RPM
Idling speed1 250 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.20:111.20:1
Oil capacity2.37 quart3.31 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W4010W40, Kawasaki 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EKNGK CR9EIA-9
CoolingLiquidLiquid
Valves1616
Bore65.5 mm77.2 mm
Stroke44.5 mm50.9 mm
Weight to power4.66 lbs/hp3.90 lbs/hp
Power to weight536 hp/2500lbs641 hp/2500lbs
Battery typeYT12B-BS
GearboxYamaha FZ6-STKawasaki Z1000
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDID 50V4
Gears count66
Primary ratio1.9551.714
Final drive2.8752.666
1. gear2.846 (65 mph)2.571 (68 mph)
2. gear1.947 (94 mph)1.882 (93 mph)
3. gear1.556 (118 mph)1.555 (112 mph)
4. gear1.333 (138 mph)1.333 (132 mph)
5. gear1.19 (154 mph)1.2 (146 mph)
6. gear1.083 (170 mph)1.095 (160 mph)
ChasisYamaha FZ6-STKawasaki Z1000
Frame typeDiamondSteel, Backbone frame
Front susp.Telescopic fork, 5.12 in travel41 mm inverted cartridge fork
Rear susp.Monoshock, coil spring/gas oil damperBottom-Link Uni-Trak with gas-charged shock