BRP ROTAX 912 Series User Manual

BRP-Rotax
MAINTENANCE MANUAL LINE
Chapter: 12–20–00
SCHEDULED MAINTENANCE
TOPICS IN THIS CHAPTER
Engine cleaning.......................................................................................................................................3
Visual inspection.....................................................................................................................................4
Checking the engine suspension ............................................................................................................4
Corrosion..............................................................................................................................................4
Leakage check.........................................................................................................................................5
Differential pressure check......................................................................................................................7
Compression check for fault-tracing ........................................................................................................8
Locking/Loosening of the crankshaft ....................................................................................................10
Test run of engine..................................................................................................................................12
Checking the V-belt tension...................................................................................................................14
Belt tension adjustment........................................................................................................................14
Air intake system...................................................................................................................................16
Checking air intake system...................................................................................................................16
Cleaning the dry air filter ......................................................................................................................16
Replacing the dry air filter.....................................................................................................................18
Cooling system .....................................................................................................................................19
Checking the cooling system ................................................................................................................20
Replacing the coolant ..........................................................................................................................20
Flushing the cooling system .................................................................................................................22
Expansion tank, radiator cap ................................................................................................................23
Overflow bottle ....................................................................................................................................24
Accessories (including radiator, radiator hoses, hose clamps, cooling air
ducts) .................................................................................................................................................24
Fuel system ...........................................................................................................................................25
Carburetor synchronization ..................................................................................................................25
Mechanical synchronization .................................................................................................................26
Pneumatic synchronization ..................................................................................................................27
Idle speed check .................................................................................................................................31
Operating range check.........................................................................................................................32
Checking of the float chamber ..............................................................................................................34
Check the weight of floats ....................................................................................................................35
Idle speed adjustment..........................................................................................................................37
Checking the carburetor actuation ........................................................................................................38
Leak tests ...........................................................................................................................................39
Lubrication ............................................................................................................................................40
Oil change ..........................................................................................................................................42
Oil filter replacement............................................................................................................................43
Inspecting of the oil filter components....................................................................................................45
Installing new oil filter...........................................................................................................................48
Cleaning the oil tank ............................................................................................................................49
Purging the oil system..........................................................................................................................51
Effectivity: 912 Series
Rev. 0
12–20–00
Page 1
January 01 2020

BRP ROTAX 912 Series Specifications

General

Brand	BRP
Model	ROTAX 912 Series
Category	Engine
Language	English