Rotax 915 i A series Maintenance Manual page 210

Description
Code
Cylinder head
Valve Intake CH01
guide Valve
bore in-
ner diam.
Ex- CH01
haust
Valve
Width of Intake CH02
Valve Valve
seat
Ex- CH02
haust
Valve
Hard-
CH08
ness test
Valves
Diameter Intake
VT01
of Valve Valve
stem
Ex- VT01
haust
Valve
Backlash Intake CH01/
Valve Valve VT01
guide/
valve
Ex-
CH01/
stem
haust
VT01
Valve
Out of Intake VT02
round Valve
Ex- VT02
haust
Valve
72–30–00
Page 24
August 01 2018
BRP-Rotax
MAINTENANCE MANUAL HEAVY
Current measure-
ment value
max
min
7.01 mm 7.018 mm
0.2758 in. 0.2763 in.
7.006 mm 7.018 mm
0.2758 in. 0.2763 in.
1.4 mm 1.9 mm
0.0551 in. 0.0748 in.
1.5 mm 2.0 mm
0.0591 in. 0.0787 in.
85 HB
6.965 mm 6.980 mm
0.2742 in. 0.2748 in.
6.965 mm 6.980 mm
0.2742 in. 0.2748 in.
0.026 mm 0.053 mm
0.0010 in. 0.0021 in.
0.026 mm 0.053 mm
0.0010 in. 0.0021 in.
0.00 mm 0.03 mm
0.0000 in. 0.0012 in.
0.00 mm 0.03 mm
0.0000 in. 0.0012 in.
Tolerance Tolerance
limit limit
100 % 50 %
7.150 mm 7.084 mm
0.2815 in. 0.2789 in.
7.150 mm 7.084 mm
0.2815 in. 0.2789 in.
2.4 mm 2.2 mm
0.0945 in. 0.0846 in.
2.5 mm 2.3 mm
0.0984 in. 0.0886 in.
6.940 mm 6.953 mm
0.2732 in. 0.2737 in.
6.940 mm 6.953 mm
0.2732 in. 0.2737 in.
0.150 mm 0.102 mm
0.0059 in. 0.0040 in.
0.150 mm 0.102 mm
0.0059 in. 0.0040 in.
0.04 mm 0.035 mm
0.0016 in. 0.0014 in.
0.04 mm 0.035 mm
0.0016 in. 0.0014 in.
Measure-
ments
Cy. Cy. Cy. Cy.
1 2 3 4
current
re-
placed
current
re-
placed
current
re-
placed
current
re-
placed
current
re-
placed
current
re-
placed
current
re-
placed
current
re-
placed
current
re-
placed
current
re-
placed
current
re-
placed
Effectivity: 915 i A Series
Edition 0/Rev. 0