Engine Configuration |
Inline Four,
4-Stroke, DOHC |
Engine Displacement |
599 cc |
Engine Cooling
System |
Liquid |
Compression
Ratio |
12.5:1 |
Combustion
Chamber Design |
Twin Swirl |
Valves Per
Cylinder |
4 |
Intake Valves Per Cylinder
|
2 (Titanium) |
Exhaust Valves Per Cylinder
|
2 (Titanium) |
Bore x Stroke |
67.0 x 42.5
mm |
Claimed
Peak Horsepower |
120 bhp @ 14,250
rpm |
Claimed
Peak Torque |
51 lbs. -ft. @
10,800 rpm |
Measured
Peak Horsepower |
101.7 bhp
@ 13,000 rpm |
Measured
Peak Torque |
46.3 lbs.
- ft. @ 10,500 rpm |
Measured
Power To Weight Ratio |
4.21 pounds
per horsepower |
Engine Redline |
15,500 rpm |
Valve Angle
(Included) |
10 degrees
Intake, 12 degrees exhaust (22 degrees) |
Combustion
Chamber Volume |
13 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 |
27.0 mm |
Exhaust
Valve Diameter |
22.0 mm |
Intake Valve
Stem Diameter |
4.5 mm |
Exhaust
Valve Stem Diameter |
4.5 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
|
23
degrees |
Duration
|
256 degrees |
Valve Timing
Measuring Point |
0.3 mm. |
Fuel Delivery
System |
Mikuni Fuel
Injection |
Throttle
Body Venturi Size |
38 mm |
Air Filter
Type |
Non-woven
Fabric Element |
Exhaust
System Type |
4-2-1 |
Ignition
System |
Digital Electronic |
Lubrication
System |
Wet Sump |
Oil Capacity |
3.8 quarts
(3.6 liters) |
Fuel Capacity |
4.5
gallons (17 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) |
79/ 41 (1.926:1) |
Final Drive
Sprocket Teeth (Ratio) |
45/ 16 (2.812:1) |
Transmission
Gear Teeth (Ratios) |
|
6th
|
26/
22 (1.181:1) |
5th
|
30/ 23 (1.304:1) |
4th
|
29/ 20 (1.450:1) |
3rd
|
37/ 22 (1.681:1) |
2nd
|
39/ 19 (2.052:1) |
1st
|
39/ 14 (2.785:1) |
Transmission
Overall Ratios |
|
6th
|
6.404:1 |
5th
|
7.068:1 |
4th
|
7.857:1 |
3rd
|
9.114:1 |
2nd
|
11.123:1 |
1st
|
15.096:1 |
Theoretical Speed in
Gears At Redline |
|
6th
|
178 mph |
5th
|
161 mph |
4th
|
145 mph |
3rd
|
125 mph |
2nd
|
102 mph |
1st
|
75 mph |