Engine Configuration |
Inline Four, 4-stroke, with Crossplane Crankshaft |
Engine Displacement |
998cc |
Engine Cooling
System |
|
Compression
Ratio |
13.0:1 |
Combustion
Chamber Design |
|
Valves Per
Cylinder |
4 |
Intake Valves Per Cylinder
|
|
Exhaust Valves Per Cylinder
|
|
Bore x Stroke |
79.0mm x 50.9mm |
Claimed
Peak Horsepower |
|
Claimed
Peak Torque |
|
Measured Peak Horsepower |
167.51bhp@12,2300rpm |
Measured Peak Torque |
74.42 lbs.-ft. @ 10,500rpm |
Measured Horsepower To Weight
Ratio |
2.657 pounds per horsepower |
Engine Redline |
14,600rpm |
Valve Angle (Included) |
11.5 degree Intake/ 13.0 degrees Exhaust (24.5 degrees) |
Combustion
Chamber Volume |
20.8cc |
Valve Train
Type |
DOHC, Reduction Gear and Link-Plate Chain, Finger Followers, Shim-in-retainer Lash Adjustments
|
Valve Adjustment
Interval |
|
Intake Valve
Diameter |
33.0mm (Titanium) |
Exhaust
Valve Diameter |
26.5 mm (Steel) |
Intake
Valve Stem Diameter |
|
Exhaust
Valve Stem Diameter |
|
Intake
Valve Maximum Lift |
9.7 mm |
Exhaust
Valve Maximum Lift |
8.8 mm |
Intake
Valve Timing |
|
Open BTDC
|
34 degrees |
Close ABDC
|
70 degrees |
Duration
|
284 degrees |
Exhaust
Valve Timing |
|
Open BBDC
|
70 degrees |
Close ATDC
|
30 degrees |
Duration
|
280 degrees |
Valve Timing
Measuring Point |
0.15mm Intake, 0.25mm Exhaust (lift) |
Fuel Delivery
System |
|
Throttle Body
Venturi Size |
45mm |
Air Filter
Type |
|
Exhaust
System Type |
4-2-1 (Stainless Steel/ Titanium) |
Ignition
System |
|
Lubrication
System |
|
Oil Capacity |
|
Fuel Capacity |
|
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 |
|
Number of Clutch Plates |
|
Drive Plates
|
|
Driven Plates
|
|
Primary
Drive |
Gear (straight cut) |
Primary Drive
Gear Teeth (Ratio) |
67/41 (1.634:1) |
Final Drive Sprocket
Teeth (Ratio) |
41/16 (2.563:1) |
Transmission Gear
Teeth (Ratios) |
|
6th
|
30/24 (1.250:1) |
5th
|
29/21 (1:381:1) |
4th
|
30/19 (1.579:1) |
3rd
|
35/19 (1.842:1) |
2nd
|
37/17 (2.176:1) |
1st
|
39/15 (2.600:1) |
Transmission
Overall Ratios |
N/A |
6th
|
|
5th
|
|
4th
|
|
3rd
|
|
2nd
|
|
1st
|
|
Theoretical Speed in
Gears at Redline |
N/A |
6th
|
|
5th
|
|
4th
|
|
3rd
|
|
2nd
|
|
1st
|
|