98
E
Engine
Longitudinal 90º “L” twin cylinder, four-stroke.
Bore (mm):
94.
Stroke (mm):
61.2.
Total displacement cm
3
:
849.4.
Compression ratio:
12 ±0.5:1.
Max power at crankshaft (95/1/EC), kW/HP:
92 kW/125 CV at 10,000 rpm.
Max torque at crankshaft (95/1/EC):
9090 Nm at 8250 rpm.
Max rotation speed, rpm:
10000.
Important
Do not exceed the specified rpm limits in any running
conditions.
Timing system
Desmodromic (type) with four valves per cylinder, operated
by eight rocker arms (4 opening rockers and 4 closing
rockers) and two overhead camshafts. Driven by the
crankshaft through spur gears, timing belt pulleys and
toothed timing belts.
Desmodromic timing system
(fig. 76)
1) Opening (or upper) rocker arm.
2) Opening (upper) shim.
3) Closing (lower) shim.
4) Return spring for lower rocker arm.
5) Closing (lower) rocker arm.
6) Camshaft.
7) Valve.
Performance data
Maximum speed in any gear should be reached only after
the correct running-in period with the motorcycle properly
serviced at the recommended intervals.
6
1
2
2 1
5
3
5
4
7
fig. 76
