Engine Configuration |
Inline Four,
4-Stroke, DOHC |
Engine Displacement |
599 cc |
Engine Cooling
System |
Liquid |
Compression
Ratio |
12.2:1 |
Combustion
Chamber Design |
Twin Swirl |
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 |
N.A. |
Claimed
Peak Torque |
N.A. |
Measured
Peak Horsepower |
101.2 bhp
@ 13,400 rpm |
Measured
Peak Torque |
45.1 lbs.
- ft. @ 10,800 rpm |
Measured
Power To Weight Ratio |
4.20 pounds
per horsepower |
Engine Redline |
14,500 rpm |
Valve Angle
(Included) |
13 degrees
intake, 15 degrees exhaust (28 degrees) |
Combustion
Chamber Volume |
13.4 cc |
Valve Train
Type |
DOHC,
Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment |
Valve Adjustment
Interval |
15,000 miles |
Intake Valve
Diameter |
27.2 mm |
Exhaust
Valve Diameter |
22.0 mm |
Intake Valve
Stem Diameter |
4.0 mm |
Exhaust
Valve Stem Diameter |
4.0 mm |
Intake Valve
Maximum Lift |
8.6 mm |
Exhaust
Valve Maximum Lift |
7.3 mm |
Intake Valve
Timing |
|
Open BTDC
|
33
degrees |
Close ABDC
|
68 degrees |
Duration
|
281 degrees |
Exhaust
Valve Timing |
|
Open BBDC
|
53 degrees |
Close ATDC
|
30
degrees |
Duration
|
263 degrees |
Valve Timing
Measuring Point |
0.3 mm. |
Fuel Delivery
System |
Keihin Fuel
Injection |
Throttle
Body Venturi Size |
38 mm |
Air Filter
Type |
Non-woven
Pleated Fabric |
Exhaust
System Type |
4-1 |
Ignition
System |
Digital Electronic |
Lubrication
System |
Wet Sump |
Oil Capacity |
3.2 quarts
(3.0 liters) |
Fuel Capacity |
4.76
gallons (18.0 liters) |
Transmission
Type |
6-speed,
Constant Mesh |
Clutch Type |
Multi-plate,
Wet |
Clutch Actuation System
|
Cable |
Clutch Spring Type
|
Coil |
Number Of Clutch Springs
|
5 |
Number of
Clutch Plates |
17 |
Drive Plates
|
9 |
Driven Plates
|
8 |
Primary
Drive |
Gear |
Primary
Drive Gear Teeth (Ratio) |
41/ 79 (1.926:1) |
Final Drive
Sprocket Teeth (Ratio) |
16/ 45 (2.812:1) |
Transmission
Gear Teeth (Ratios) |
|
6th
|
25/
23 (1.086:1) |
5th
|
29/ 24 (1.208:1) |
4th
|
30/ 22 (1.450:1) |
3rd
|
32/ 20 (1.682:1) |
2nd
|
32/ 16 (2.053:1) |
1st
|
39/ 14 (2.786:1) |
Transmission
Overall Ratios |
|
6th
|
5.890:1 |
5th
|
6.548:1 |
4th
|
7.389:1 |
3rd
|
8.670:1 |
2nd
|
10.832:1 |
1st
|
15.083:1 |