Honda CB650F
91 hp, 649 cc, 459 lbs2018
Yamaha FZ6-ST
98 hp, 600 cc, 456 lbs2006 - 2009
EngineHonda CB650FYamaha FZ6-ST
Engine code5VX8
Displacement649 cc600 cc
Max power91 hp (@11 000 RPM)98 hp (@12 000 RPM)
Max torque47 lb ft (@8 000 RPM)46 lb ft (@10 000 RPM)
Redline11 200 RPM14 000 RPM
Idling speed1 200 RPM1 250 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-4
Compression11.40:112.20:1
Oil capacity2.74 quart2.37 quart
Oil typeSAE 10W-3010W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeCR9EH-9NGK CR9EK
CoolingLiquidLiquid
Valves1616
Bore67.0 mm65.5 mm
Stroke46.0 mm44.5 mm
Throttle bore32.0 mm
Weight to power5.04 lbs/hp4.66 lbs/hp
Power to weight496 hp/2500lbs536 hp/2500lbs
Battery typeYTZ10S 12V/8.6AHYT12B-BS
GearboxHonda CB650FYamaha FZ6-ST
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeO ring #525, 118 linksDID 50V4
Gears count66
Primary ratio1.691.955
Final drive2.82.875
1. gear3.071 (57 mph)2.846 (65 mph)
2. gear2.235 (78 mph)1.947 (94 mph)
3. gear1.777 (98 mph)1.556 (118 mph)
4. gear1.52 (115 mph)1.333 (138 mph)
5. gear1.333 (131 mph)1.19 (154 mph)
6. gear1.214 (143 mph)1.083 (170 mph)
ChasisHonda CB650FYamaha FZ6-ST
Frame typeSteel twin-sparDiamond
Front susp.41mm fork, 4.72 in travelTelescopic fork, 5.12 in travel
Rear susp.Monoshock, 43.0.20 in travelMonoshock, coil spring/gas oil damper