Yamaha FZ6-ST
98 hp, 600 cc, 456 lbs2006 - 2009
Honda CBR 600 F4i
109 hp, 599 cc, 432 lbs2001 - 2003
EngineYamaha FZ6-STHonda CBR 600 F4i
Engine code5VX8
Displacement600 cc599 cc
Max power98 hp (@12 000 RPM)109 hp (@12 500 RPM)
Max torque46 lb ft (@10 000 RPM)46 lb ft (@10 000 RPM)
Redline14 000 RPM14 200 RPM
Idling speed1 250 RPM1 300 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression12.20:112.00:1
Oil capacity2.37 quart2.84 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W4010W40, GN4 10W40, Motul 5100
Spark plug typeNGK CR9EKNGK IMR9A-9H, DENSO VUH27D
CoolingLiquidLiquid
Valves1616
Bore65.5 mm67.0 mm
Stroke44.5 mm42.5 mm
Throttle bore38.0 mm
Weight to power4.66 lbs/hp3.96 lbs/hp
Power to weight536 hp/2500lbs630 hp/2500lbs
Battery typeYT12B-BSYTZ10S, 12V 8.6Ah
GearboxYamaha FZ6-STHonda CBR 600 F4i
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDID 50V4DID525HV-108LE
Gears count66
Primary ratio1.9551.822
Final drive2.8753.018
1. gear2.846 (65 mph)2.833 (67 mph)
2. gear1.947 (94 mph)2.062 (93 mph)
3. gear1.556 (118 mph)1.647 (116 mph)
4. gear1.333 (138 mph)1.421 (134 mph)
5. gear1.19 (154 mph)1.272 (150 mph)
6. gear1.083 (170 mph)1.173 (162 mph)
ChasisYamaha FZ6-STHonda CBR 600 F4i
Frame typeDiamondDiamond Aluminum twin-spar
Front susp.Telescopic fork, 5.12 in travelTelescopic fork, 4.72 in travel
Rear susp.Monoshock, coil spring/gas oil damperMonoshock, 4.72 in travel
Dyno chart of 2003 Honda CBR 600 F4i