Engine Configuration |
Inline Four, 4-Stroke,
DOHC |
Engine Displacement |
999 cc |
Engine Cooling
System |
Liquid |
Compression Ratio |
12.5:1 |
Combustion Chamber
Design |
TSCC Pentroof |
Valves Per Cylinder |
4 |
Intake Valves
Per Cylinder |
2 titanium |
Exhaust Valves Per Cylinder |
2 titanium |
Bore x Stroke |
73.4 x 59.0 mm |
Measured Peak
Horsepower |
151.38 bhp @ 11,200
rpm |
Measured Peak
Torque |
75.55 lbs. - ft.
@ 8,500 rpm |
Measured Power To Weight Ratio |
2.87 pounds per horsepower |
Claimed Engine
Redline |
13,500 rpm |
Valve Angle (Included) |
12 degrees intake,
13 degrees exhaust (25 degrees) |
Combustion Chamber
Volume |
21.7 cc |
Valve Train Type |
DOHC, Link-plate
Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment |
Valve Adjustment
Interval |
14,500 miles |
Intake Valve Diameter |
30.0 mm |
Exhaust Valve
Diameter |
24 mm |
Intake Valve Stem
Diameter |
4.5 mm |
Exhaust Valve
Stem Diameter |
4.5 mm |
Intake Valve Maximum
Lift |
9.6 mm |
Exhaust Valve
Maximum Lift |
8.3 mm |
Intake Valve
Timing |
|
Open BTDC |
42 degrees |
Close ABDC |
73 degrees |
Duration |
295 degrees |
Exhaust Valve
Timing |
|
Open BBDC |
57 degrees |
Close ATDC |
38 degrees |
Duration |
275degrees |
Valve Timing Measuring
Point |
0.3 mm. |
Fuel Delivery
System |
Keihin Fuel Injection |
Throttle Body
Venturi Size |
44 mm |
Air Filter Type |
Pleated Paper |
Exhaust System
Type |
4-2-1 |
Ignition System |
Digital |
Lubrication System |
Wet Sump |
Oil Capacity |
3.8 quarts (3.6
liters) |
Fuel Capacity |
4.8 gallons (18.0
liters) |
Transmission Type |
6 speed, Constant
Mesh |
Clutch Type |
Multi-plate, Wet,
Back-torque limiting |
Clutch
Actuation System |
Cable |
Clutch
Spring Type |
Coil |
Number
Of Clutch Springs |
5 |
Number of Clutch
Plates |
19 |
Drive Plates |
10 |
Driven Plates |
9 |
Primary Drive |
Gear (Straight-cut) |
Primary Drive
Gear Teeth (Ratio) |
73/ 47 (1.553:1) |
Final Drive Sprocket
Teeth (Ratio) |
42/17 (2.470:1) |
Transmission
Gear Teeth (Ratios) |
|
6th |
33/26 (1.269:1) |
5th |
34/25 (1.360:1) |
4th |
36/24 (1.500:1) |
3rd |
36/21 (1.714:1) |
2nd |
39/19 (2.052:1) |
1st |
41/16 (2.562:1) |
Transmission
Overall Ratios |
|
6th |
4.879:1 |
5th |
5.218:1 |
4th |
5.755:1 |
3rd |
6.578:1 |
2nd |
7.876:1 |
1st |
9.833:1 |