Yamaha Vmax
170 hp, 1679 cc, 686 lbs2020
Kawasaki ER5
50 hp, 498 cc, 425 lbs1999 - 2005
EngineYamaha VmaxKawasaki ER5
Displacement1679 cc498 cc
Max power170 hp50 hp (@9 000 RPM)
Max torque99 lb ft18 lb ft (@7 200 RPM)
Redline9 500 RPM10 500 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionCarburetor
LayoutSOHC V4DOHC Inline-2
Compression11.30:19.80:1
Oil capacity3.22 quart
Oil type10W40
Spark plug typeNGK DR9EA, DENSO X27ESR-U
CoolingLiquidLiquid
Valves8
Bore90.0 mm74.0 mm
Stroke66.0 mm58.0 mm
Weight to power4.03 lbs/hp8.51 lbs/hp
Power to weight619 hp/2500lbs293 hp/2500lbs
Battery type12V 10Ah
GearboxYamaha VmaxKawasaki ER5
TypeSequentialSequential
ClutchSlipperWet
DriveChainChain
Chain type
Gears count06
Primary ratio2.652
Final drive2.47
1. gear2.571 (45 mph)
2. gear1.722 (67 mph)
3. gear1.333 (86 mph)
4. gear1.125 (102 mph)
5. gear0.961 (120 mph)
6. gear0.851 (135 mph)
ChasisYamaha VmaxKawasaki ER5
Frame typeAluminum die cast frameSteel cradle frame
Front susp.YHSJ 52mm fork, 4.72 in travelFork
Rear susp.YHSJ shock, 4.33 in travelDual shock