
| Engine Configuration | Inline Four, 4-Stroke, DOHC |
| Engine Displacement | 599 cc |
| Engine Cooling System | Liquid |
| Compression Ratio | 12.8:1 |
| Combustion Chamber Design | Pentroof |
| Valves Per Cylinder | 4 |
Intake Valves Per Cylinder |
2 |
Exhaust Valves Per Cylinder |
2 |
| Bore x Stroke | 66.0 x 43.8 mm |
| Claimed Peak Horsepower | 109 bhp @ 12,000 rpm |
| Claimed Peak Torque | 48.5 lbs. - ft. @ 10,000 rpm |
| Measured Peak Horsepower | 94.4 bhp @ 12,400 rpm |
| Measured Peak Torque | 41.8 lbs. - ft. @ 10,400 rpm |
| Measured Power To Weight Ratio | 4.70 pounds per horsepower |
| Engine Redline | 14,000 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 |
| Valve Adjustment Interval | 7500 miles |
| Intake Valve Diameter | 27.0 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 | 9.2 mm |
| Exhaust Valve Maximum Lift | 8.4 mm |
| Intake Valve Timing | |
Open BTDC |
56 degrees |
Close ABDC |
80 degrees |
Duration |
316 degrees |
| Exhaust Valve Timing | |
Open BBDC |
61 degrees |
Close ATDC |
33 degrees |
Duration |
274 degrees |
| Valve Timing Measuring Point | 1.0 mm. |
| Fuel Delivery System | (4) Mikuni BDSR36R CV |
| Carburetor Venturi Size | 36 mm |
| Air Filter Type | Dual-element Foam |
| Exhaust System Type | 4-2-1 |
| Ignition System | Digital Electronic |
| Lubrication System | Wet Sump |
| Oil Capacity | 3.7 quarts (3.5 liters) |
| Fuel Capacity | 4.8 gallons (18 liters) |
| Transmission Type | 6-speed, Constant Mesh |
| Clutch Type | Multi-plate, Wet |
Clutch Actuation System |
Cable |
Clutch Spring Type |
Coil |
Number Of Clutch Springs |
4 |
| Number of Clutch Plates | 17 |
Drive Plates |
8 |
Driven Plates |
9 |
| Primary Drive | Gear |
| Primary Drive Gear Teeth (Ratio) | 44/ 89 (2.023:1) |
| Final Drive Sprocket Teeth (Ratio) | 15/ 40 (2.667:1) |
| Transmission Gear Teeth (Ratios) | |
6th |
26/ 24 (1.083:1) |
5th |
28/ 23 (1.217:1) |
4th |
29/ 21 (1.380:1) |
3rd |
31/ 19 (1.631:1) |
2nd |
33/ 16 (2.062:1) |
1st |
38/ 13 (2.823:1) |
| Transmission Overall Ratios | |
6th |
5.843:1 |
5th |
6.566:1 |
4th |
7.446:1 |
3rd |
8.800:1 |
2nd |
11.125:1 |
1st |
15.231:1 |