Engine Configuration |
Crossplane Inline Four, 4-Stroke |
Engine Displacement |
998 cc |
Engine Cooling |
|
Compression Ratio |
13.0:1 |
Combustion Chamber Design |
|
Valves Per Cylinder |
4 |
Intake Valves Per Cylinder |
|
Exhaust Valves Per Cylinder |
|
Bore x Stroke |
79.0 mm x 50.9 mm |
Conecting Rod Length
(center-to-center) |
102 mm |
Connecting Rod Material |
Titanium |
Claimed Peak Horsepower |
|
Claimed Peak Torque |
|
Engine Redline |
"Claimed" 14,600 rpm |
Valve Angle (Included) |
11.5 degrees intake/ 13.0 degrees exhaust (24.5 degrees)
|
Combustion Chamber Volume |
20.8 cc |
Valve Train Type |
DOHC, Gear/Link-plate Chain Drive, Finger Followers, Shim-in-retainer Adjustment |
Valve Adjustment Interval |
|
Intake Valve Diameter |
33.0 mm (titanium) |
Exhaust Valve Diameter |
26.5 mm (stainless 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 BTDC |
70 degrees |
Close ABDC |
30 degrees |
Duration |
280degrees |
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 (titanium/stainless steel) |
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 |
|
6th |
|
5th |
|
4th |
|
3rd |
|
2nd |
|
1st |
|
|
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