| Engine Configuration | Inline Four, 4-Stroke, DOHC |
| Engine Displacement | 599 cc |
| Engine Cooling System | Liquid |
| Compression Ratio | 13.5:1 |
| Combustion Chamber Design | Pentroof |
| Valves Per Cylinder | 4 |
Intake Valves Per Cylinder |
2 |
Exhaust Valves Per Cylinder |
2 |
| Bore x Stroke | 67.0 x 42.5 mm |
| Claimed Peak Horsepower | 119 bhp @ 12,000 rpm |
| Claimed Peak Torque | 47.5 lbs. - ft. @ 11,000 rpm |
| Measured Peak Horsepower | 99.7 bhp @ 13,000 rpm |
| Measured Peak Torque | 42.6 lbs. - ft. @ 11,500 rpm |
| Measured Power To Weight Ratio | 4.22 pounds per horsepower |
| Engine Redline | 15,500 rpm |
| Valve Angle (Included) | 12 degrees intake/ 13 degrees exhaust (25 degrees) |
| Combustion Chamber Volume | 10.2 cc |
| Valve Train Type | DOHC, Link-plate
Chain Drive, Bucket Followers, Shim-under-bucket Lash Adjustment, Slotted Cam Sprockets |
| Valve Adjustment Interval | 11,000 miles |
| Intake Valve Diameter | 27.5 mm |
| Exhaust Valve Diameter | 22.6 mm |
| Intake Valve Stem Diameter | 4.0 mm |
| Exhaust Valve Stem Diameter | 4.0 mm |
| Intake Valve Maximum Lift | 8.8 mm |
| Exhaust Valve Maximum Lift | 7.2 mm |
| Intake Valve Timing | |
Open BTDC |
55 degrees |
Close ABDC |
85 degrees |
Duration |
320 degrees |
| Exhaust Valve Timing | |
Open BBDC |
61 degrees |
Close ATDC |
31 degrees |
Duration |
320 degrees |
| Valve Timing Measuring Point | 1.0 mm. |
| Fuel Delivery System | Kehin Fuel Injection |
| Throttle Body Venturi Size | 38 mm |
| Air Filter Type | Wet Element, Pleated Paper |
| Exhaust System Type | 4-1 |
| Ignition System | Digital Electronic |
| Lubrication System | Wet Sump |
| Oil Capacity | 4.2 quarts (4.0 liters) |
| Fuel Capacity | 4.8 gallons (18 liters) |
| Transmission Type | 6-speed, Constant Mesh, Adjustable |
| Clutch Type | Multi-plate, Wet, Back-torque-limiting, Slipper-type |
Clutch Actuation System |
Cable |
Clutch Spring Type |
Coil |
Number Of Clutch Springs |
6 |
| Number of Clutch Plates | 17 |
Drive Plates |
9 |
Driven Plates |
8 |
| Primary Drive | Gear |
| Primary Drive Gear Teeth (Ratio) | 89/44 (2.022:1) |
| Final Drive Sprocket Teeth (Ratio) | 40/15 (2.666:1) |
| Transmission Gear Teeth (Ratios) | |
|
27/ 22 (1.227:1) |
|
28/ 21 (1.333:1) |
|
33/22 (1.500:1) |
|
31/ 18 (1.722:1) |
|
37/ 18 (2.055:1) |
|
38/ 14 (2.714:1) |
| Transmission Overall Ratios | |
|
6.888:1 |
|
7.190:1 |
|
8.091:1 |
|
9.288:1 |
|
11.085:1 |
|
14.639:1 |
| Theoretical Speed In Gears at Redline | |
|
|
165 mph |
|
|
158 mph |
|
|
141 mph |
|
|
122 mph |
|
|
103 mph |
|
|
78 mph |