A
B
C
D
E
F
G
H
L
M
N
P
section
D 5
54 1098/1098S - M.Y. 2007 - edition 00
Use and maintenance
Checking and adjusting timing belt tension
Notes
The on-screen icons used during this procedure are explained in a table at the end of this section.
Notes
This operation, which is performed using the DDS tester, has the advantage that it can be carried out on both timing belts
with the engine still installed on the frame. An optical reader is connected to the DDS. The optical reader has a green LED that
serves to determine that the reader is correctly positioned in front of the belt to be tested. It is also equipped with an infrared
transmitter (A) and receiver (B) designed to detect oscillations of the belt when caused to vibrate with the flick of a finger.
Remove the spark plugs.
Position the crankshaft so that the piston of the horizontal cylinder is at TDC of its power stroke.
This is achieved by aligning the timing mark (C) on the driveshaft pulley (19) with reference notch (D) on the right-hand crankcase
cover (20).
Operation Section reference
Remove the right-hand side fairing E 2
Remove the timing belt covers N 4.2
A
B
D
19
20
C
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