Fuel System; Carburetor Synchronization - Rotax 912 Series Maintenance Manual

10) Fuel system

10.1) Carburetor synchronization

Checking the synchronization at idle speed
Idle speed
See
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.
Step
1
NOTES:
Graphic
Synchronization at idle speed
Fig. 15
Effectivity: 912 Series
Edition 3 / Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Fig. 15.
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.
First carry out the mechanical synchronization and then
the pneumatic synchronization (if required).
Part
1 Resonator hose
2 Compensating tube
Procedure
2
1
Function
12-20-00
September 01/2012
05491
page 31