Engine Configuration |
90-Degree, V-Twin, 4-Stroke Testastretta |
Engine Displacement |
937cc
|
Engine Cooling
System |
Liquid |
Compression
Ratio |
12.6:1 |
Combustion
Chamber Design |
Pentroof |
Valves Per
Cylinder |
4 |
Intake Valves Per Cylinder
|
2 (Steel) |
Exhaust Valves Per Cylinder
|
2 (Steel) |
Bore x Stroke |
94.0mm x 67.5mm |
Claimed
Peak Horsepower |
113 bhp @ 9,000 rpm |
Claimed
Peak Torque |
71.3 lbs-ft. @ 6,500 rpm |
Measured Peak Horsepower |
|
Measured Peak Torque |
|
Measured Horsepower To Weight
Ratio |
|
Engine Redline |
9,000rpm |
Valve Angle (Included) |
N/A |
Combustion
Chamber Volume |
40.4 cc |
Valve Train
Type |
DOHC, Toothed Belt Drive, Desmodromic, Shim-Under-Rocker Lash Adjustment |
Valve Adjustment
Interval |
18,000 miles (28,800km) |
Intake Valve
Diameter |
35.5mm |
Exhaust
Valve Diameter |
28.8mm |
Intake
Valve Stem Diameter |
N/A |
Exhaust
Valve Stem Diameter |
N/A |
Intake
Valve Maximum Lift |
11.3mm
|
Exhaust
Valve Maximum Lift |
9.6mm
|
Intake
Valve Timing |
|
Open BTDC
|
4degrees
|
Close ABDC
|
52 degrees |
Duration
|
236 degrees |
Exhaust
Valve Timing |
|
Open BBDC
|
58 degrees |
Close ATDC
|
7degrees |
Duration
|
245 degrees |
Valve Timing
Measuring Point |
1.0mm) |
Fuel Delivery
System |
Continental/ Mikuni Digital Fuel Injection |
Throttle Body
Venturi Size |
53 mm |
Air Filter
Type |
Cylindrical Fiber Element |
Exhaust
System Type |
2-1-2 (Stainless Steel w/ Aluminum Mufflers) |
Ignition
System |
Digital |
Lubrication
System |
Wet Sump |
Oil Capacity |
3.6 quarts (3.4 liters) |
Fuel Capacity |
4.2 gallons (15.9 liters)
|
Transmission
Type |
6-speed, Constant Mesh |
Clutch Type |
Multi-plate, Wet, Assist-Slipper |
Clutch Actuation System
|
Hydraulic |
Clutch Spring Type
|
Coil |
Number Of Clutch
Springs |
3 |
Number of Clutch Plates |
21 |
Drive Plates
|
11 |
Driven Plates
|
10 |
Primary
Drive |
Gear (Straight-cut) |
Primary Drive
Gear Teeth (Ratio) |
N.A./ N.A (1.840:1) |
Final Drive Sprocket
Teeth (Ratio) |
43/15 (2.860:1) |
Transmission Gear
Teeth (Ratios) |
|
6th
|
23/24 (0.958:1) |
5th
|
24/23 (1.043:1) |
4th
|
26/22 (1.181:1) |
3rd
|
28/20 (1.400:1) |
2nd
|
30/17 (1.764:1) |
1st
|
37/15 (2.366:1) |
Transmission
Overall Ratios |
|
6th
|
5.041:1 |
5th
|
5.489:1 |
4th
|
6.215:1 |
3rd
|
7.367:1 |
2nd
|
9.283:1 |
1st
|
12.451:1 |
Theoretical Speed in
Gears at Redline |
|
6th
|
|
5th
|
|
4th
|
|
3rd
|
|
2nd
|
|
1st
|
|