3) Valve Guides - Rotax MMH-912 Series Maintenance Manual

3.11.3) Valve guides

00279
Effectivity 912/914 Series
Edition 1 / Rev. 0
BRP-Rotax
Maintenance Manual
See Figs. 72-64 and 72-65.
Check diameter of valve stem (1) and inner diameter of valve guide (2),
see dimension (VT01) and dimension (CH01).
If wear limit is reached, replace valve guide.
See 72-00-00 sec. 4.
For this procedure, the cylinder head must be sent to a ROTAX
authorized overhaul facility for maintenance.
Fig. 72-64
CH01
2
Fig. 72-65
1
Maß /
VT01
dim.
00281
72-00-00
May 01/2007
page 62