Yamaha R7
73 hp, 689 cc, 414 lbs2022
Honda CBR900RR Fireblade
122 hp, 893 cc, 454 lbs1992 - 1993
EngineYamaha R7Honda CBR900RR Fireblade
Engine codeCP2
Displacement689 cc893 cc
Max power73 hp (@8 750 RPM)122 hp (@10 500 RPM)
Max torque49 lb ft (@6 500 RPM)64 lb ft (@10 000 RPM)
Redline10 000 RPM11 000 RPM
Idling speed1 200 RPM1 100 RPM
ManagementFuel InjectionCarburetor
LayoutDOHC Inline-2DOHC Inline-4
Compression11.50:111.00:1
Oil capacity2.18 quart3.03 quart
Oil type10W40, 10W50
Spark plug typeNGK LMAR8A-9NGK CR9EH-9
CoolingLiquidLiquid
Valves816
Bore80.0 mm70.0 mm
Stroke68.6 mm58.0 mm
Throttle bore38.0 mm
Weight to power5.68 lbs/hp3.72 lbs/hp
Power to weight440 hp/2500lbs671 hp/2500lbs
Battery typeYTZ7S 12V 6Ah12V 8Ah
GearboxYamaha R7Honda CBR900RR Fireblade
TypeSequentialSequential
ClutchSlipperWet
DriveChainChain
Chain type
Gears count06
Primary ratio1.52
Final drive2.625
1. gear2.8462.769 (73 mph)
2. gear2.1252.0 (102 mph)
3. gear1.6321.579 (129 mph)
4. gear1.31.4 (145 mph)
5. gear1.0911.25 (163 mph)
6. gear0.9641.174 (173 mph)
ChasisYamaha R7Honda CBR900RR Fireblade
Frame typeDiamond steel frameAluminium twin-spar
Front susp.KYB 41mm USD, 5.12 in travelShowa 45mm, 4.72 in travel
Rear susp.Monoshock, 5.12 in travelShowa monoshock, 4.72 in travel