d02880.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 2 / Rev. 0
12-20-00
page 31
October 01/2009
10) Fuel system
10.1) Carburetor synchronization
Idle speed Checking the synchronization at idle speed
See Fig. 14.
For smooth idling, synchronization of the throttle valves is necessary.
When synchronizing, slacken both bowden cables (throttle lever lies
close on the adjustment screw).
Instruction To synchronize when idling the following steps are necessary.
NOTES: First the mechanical synchronization and then only the
pneumatic synchronization has already been carried out.
Graphic Synchronization at idle speed
Fig. 14
05491
Step Procedure
1 Detach the resonator hose (1) of the compensating tube (2) to separate the
two air intake systems. In this condition, a slight difference in the engine run-
ning should be noticeable.
Part Function
1 Resonator hose
2 Compensating tube
2
1
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