Section 04 ENGINE (2-STROKE)
Subsection 06 (ROTARY VALVE)
F01D3EB
65°
1
2
CLOSING MARK
Step 1: Top of MAG inlet port. Align 360 ° line of degree wheel
Step 2: Find 65 ° on outer scale of degree wheel and mark here
– Remove degree wheel.
– Position rotary valve on shaft splines to have
edges as close as possible to these marks with
the MAG piston at TDC.
NOTE: Rotary valve is asymmetrical. Therefore,
try flipping it over then reinstall on splines to obtain
best installation position.
Apply Formula XP-S injection oil on rotary valve
before reassembling rotary valve cover.
– Remove TDC gauge.
Rotary Valve Cover
Install O-ring no. 12 and rotary valve cover no. 1
then torque screws no. 2 to 20 N•m(15lbf•ft) in
a criss-cross sequence.
smr2004-Complete Line Up 163
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