Aprilia Pegaso 650
45 hp, 652 cc, 410 lbs1992 - 1995
Yamaha MT-03
48 hp, 660 cc, 423 lbs2006 - 2015
EngineAprilia Pegaso 650Yamaha MT-03
Engine codeRotax 655
Displacement652 cc660 cc
Max power45 hp (@6 750 RPM)48 hp (@6 250 RPM)
Max torque41 lb ft (@5 500 RPM)41 lb ft (@5 500 RPM)
Redline7 500 RPM7 500 RPM
Idling speed1 400 RPM1 200 RPM
ManagementCarburetorFuel Injection
LayoutDOHC SingleSOHC Single
Compression9.10:110.00:1
Oil capacity3.22 quart
Oil type15W4010W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK DR8EANGK CR7E
CoolingLiquidLiquid
Valves54
Bore100.0 mm100.0 mm
Stroke83.0 mm84.0 mm
Throttle bore33.0 mm
Weight to power9.11 lbs/hp8.82 lbs/hp
Power to weight274 hp/2500lbs283 hp/2500lbs
Battery typeGT9B-4, 12V 8Ah
GearboxAprilia Pegaso 650Yamaha MT-03
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count55
Primary ratio1.9462.083
Final drive2.753.133
1. gear2.75 (37 mph)2.5 (34 mph)
2. gear1.75 (59 mph)1.625 (52 mph)
3. gear1.313 (78 mph)1.15 (73 mph)
4. gear1.045 (99 mph)0.909 (93 mph)
5. gear0.875 (118 mph)0.769 (109 mph)
ChasisAprilia Pegaso 650Yamaha MT-03
Frame typeTwin-spar aluminiumTruss diamond
Front susp.40mm USD, 8.27 in travelTelescopic fork, 5.12 in travel
Rear susp.Monoshock, 8.27 in travelSwingarm, 4.72 in travel