Pneumatic Synchronization - Rotax 912 Series Maintenance Manual

10.3) Pneumatic synchronization

General note See
NOTES:
Special tool
The two carburetors are adjusted to equal flow rate at idling with a suitable
flow meter or vacuum gauge(s).
Connection Possible connection methods.
Step
1
2
Graphic
Option 1
Fig. 17
Effectivity: 912 Series
Edition 3 / Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Fig. 17 to Fig. 19.
Danger of life threatening injuries caused by the pro-
WARNING WARNUNG
peller, rotating and stressed parts of the engine!
Always observe the engine from a safe place while it is
running.
Perform a mechanical synchronization before attempting a
pneumatic synchronization.
Remove the compensating tube (2) from the push on angular tube (4) after re-
moving the two clamp (3).
Using the push on angular tube (4) and compensating tube (2) install a flexible
rubber hose (5) leading to the vacuum gauge (1).
4
Part
1 Vacuum gauge
2 Compensations tube
3 Clamp
4 Angular tube
5 Rubber hose
Option 1
Procedure
1
5
5
3
2
Function
3
4
08652
12-20-00
page 34
September 01/2012