
Section 04
ENGINE
Sub-Section 04
(ROTARY VALVE)
04-04-7
3,11, Rotary Valve Shaft and Seal
Apply lithium grease on seal lips. Position seal
with shielded portion against shaft splines.
3,7,8, Rotary Valve Shaft, Snap Ring
and Bearing
Install ball bearing as illustrated.
1. Seal
2. Ball bearing
3. Bearing extractor Snap-on CJ-950
Install shim, snap ring and slide distance sleeve
on shaft.
1. Seal
2. Ball bearing
3. Snap ring
4. .Distance sleeve
5. Shim 0.5 mm (.020 in)
6. Rotary valve shaft
3,4, Rotary Valve Shaft Ass’y and Snap
Ring
CAUTION : Crankcase halves must be
separated and crankshaft must not be
present to install rotary valve shaft ass’y in
crankcase.
587 and 717 Engines
To install rotary valve shaft in crankcase, use a
pusher (P / N 290 876 605).
Push shaft until its stops on bearing seat.
1. Rotary valve shaft ass’y
2. Push shaft until it stops
2
1
3
A13C0FB
1
2
3
4
6
5
F01D2FA
-
A00C0YA
1
F01D34A
1
2
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