Rotax 912 Series Service Manual

80-00-00
page 14
May 01/2007
Effectivity 912/914 Series
Edition 1 / Rev. 0
d02629
BRP-Rotax
Maintenance Manual
Description
Code
Reading new
wear
limit
wear
limit
Readings
min max 100% 50%
Electric starter
Commutator ES03
28,0
1,102
27,5
1,083
actual
renewed
Armature shaft ES04
9,79
0,3854
actual
renewed
Armature bushing ES05
9,82
0,3866
actual
renewed
Bearing seat on
shaft
ES06
15,020
0,5913
15,005
0,5908
actual
renewed
Bearing seat on
shield
ES07
32,000
1,2598
32,069
1,2626
actual
renewed
Axial clearance ES08
0,1
0,004
0,4
0,016
0,7
0,028
0,6
0,022
actual
renewed
Length of plus brush ES09
12,0
0,472
8,5
3,347
actual
renewed
Length of minus
brush
ES09
12,0
0,472
8,5
3,347
actual
renewed
Radial clearance
armature shaft /
armature bushing
ES05/
ES04
0,0000
0,0000
0,03
0,012
0,06
0,0024
0,05
0,0020
actual
renewed
Radial clearance
bearing seat on
shield / roller bearing
outer diameter
0,00
0,0000
0,06
0,0024
0,03
0,0012
actual
renewed
press fit bearing seat
on armature shaft /
roller bearing inner
diameter
0,020
0,0008
0,000
0,0000
0,005
0,0002
actual
renewed
07205
4) Wear limits
◆ NOTE: The wear limits apply to both configurations of the electric starter,
standard and HD.

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