Rotax 912 Series Service Manual

80-00-00
page 10
May 01/2007
Effectivity 912/914 Series
Edition 1 / Rev. 0
d02629
BRP-Rotax
Maintenance Manual
Bearings
Check bearing socket (13) and if necessary, replace the complete rotor bearing.
Carbon brushes
Carbon brushes (14) must move freely in their guides (15). Replace too short
brushes (min. length 8 mm = 0.32 "). Check spring pressure, replace hot-run
brush springs (16). Check connector sheaths (17) of the positive-pole carbon
brush (18), replace as required.
O-rings
Replace all O-rings (19) and oil seal (20) when repairing the electric starter.
Starter housing
Carry out visual inspection of the inner magnets (21) for cracks.
Studs
Carry out visual inspection of both studs (22) or allen screws (24).

Rotax 912 Series Specifications

General

Redline	5800 rpm
TBO	2000 hours
Displacement	1211 cc
Bore	79.5 mm
Stroke	61 mm
Power Output	80 hp (59.6 kW)
Compression Ratio	9.0:1
Fuel Type	Avgas 100LL
Ignition System	Dual electronic ignition
Fuel System	Fuel Injected
Oil System	Dry sump
Engine Type	4-cylinder, horizontally opposed, 4-stroke