Rotax 914 series Maintenance Manual

BRP-Rotax
Maintenance Manual
72-00-00
page 108
May 01/2007
Effectivity 912/914 Series
Edition 1 / Rev. 0
d02622
Description
Code
Reading new
wear
limit
wear
limit
Readings
min max 100% 50%
Cylinder head
Cyl. 1 Cyl. 2 Cyl. 3 Cyl. 4
Valve guide
bore inner
diameter
Int. V. CH01
7,006
0,2758
7,018
0,2763
7,150
0,2815
7,084
0,2789
actual
renewed
Exh. V. CH01
7,006
0,2758
7,018
0,2763
7,150
0,2815
7,084
0,2789
actual
renewed
Valve seat
width
Int. V. CH02
1,40
0,0551
1,90
0,0748
2,40
0,0945
2,15
0,0846
actual
renewed
Exh. V. CH02
1,50
0,0591
2,00
0,0787
2,50
0,0984
2,25
0,0886
actual
renewed
Valve stem
diameter
Int. V. VT01
6,965
0,2742
6,980
0,2748
6,940
0,2732
6,953
0,2737
actual
renewed
Exh. V. VT01
6,965
0,2742
6,980
0,2748
6,940
0,2732
6,953
0,2737
actual
renewed
Valve stem
clearance
Int. V.
CH01/
VT01
0,026
0,0010
0,053
0,0021
0,150
0,0059
0,102
0,0040
actual
renewed
Exh. V.
CH01/
VT01
0,026
0,0010
0,053
0,0021
0,150
0,0059
0,102
0,0040
actual
renewed
Out of round
of valve
head
Int. V. VT02
0,00
0,0000
0,01
0,0004
0,03
0,0012
0,02
0,0008
actual
renewed
Exh. V. VT02
0,00
0,0000
0,01
0,0004
0,03
0,0012
0,02
0,0008
actual
renewed
07223

Rotax 914 series Specifications

General

Bore	79.5 mm
Stroke	61 mm
Compression Ratio	9.0:1
Cooling System	Liquid-cooled cylinder heads, air-cooled cylinders
Redline	5800 rpm
Engine Type	4-cylinder, 4-stroke
Fuel Type	Avgas 100LL
Oil System	Dry sump
Fuel System	fuel injection
TBO (Time Between Overhauls)	2000 hours
Displacement	1.211 liters (1211 cc)
Power Output	84.6 kW (115 hp) at 5, 800 rpm