BOMBARDIER 1980 Shop Manual page 100

®
Rotary valve adjustment with replaced crankcase
having no timing marks.
1980 444 type: 141
0
opening
51 0 closing
Using angle finder. mark crankcase at 141
0
from bottom
edge of magneto Side inlet port.
.
~
.'
Mark here
'0
f:f,
SECTION 03
SUB-SECTION 02, (ENGINES)
From top edge of magneto side inlet port, mark crankcase
at 61
o.
To correctly install the rotary valve proceed as follows:
- Turning crankshaft counter-clockwise. (drive pulley
side) bring magneto side piston to Top Dead Center
uSing a T.D.C. gauge.
- Position the rotary valve on gear to have edges as
close as possible to the marks.
O
NOTE: The rotary valve IS asymmetrical, therefore.
at assembly try positioning each side of disc on
gear to determine best installation position .
@@Torque to 20 Nom (16 ft-Ibs).
Magneto Side piston
must be at
Toe
Timing mark
(444 ENGINE TYPE). PAGE 11