Fuel System; Carburetor Synchronization - Rotax 914 series Maintenance Manual

12) Fuel system

12.1) 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).
To synchronize when idling the following steps are necessary.
Instruction
Step
1
NOTES:
Synchronization at idle speed
Graphic
Fig. 17
Effectivity: 914 Series
Edition 2 / Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Fig. 17.
Detach the resonator hose (1) (see option 4) of the compensating tube (2) to
separate the two air intake systems. In this condition, a slight difference in the
engine running should be noticeable.
First the mechanical synchronization and then only the
pneumatic synchronization has already been carried out.
Part
1 Resonator hose
2 Compensating tube
Procedure
2
1
Function
12-20-00
05491
page 37
January 01/2010