1996 Ski-Doo Shop Manual, Volume 3, Page 150Get this manual
Section 04 ENGINE b-S ectio 09 (R TA RY VA LV E, and ERV OIR)
18,19, Pu usin olt and Lo ctite 242 (Blu e)
Apply Loctite 242 (blue) on bolt threads
R TA RY VA LV TIMIN G
A disass bly, fore re oving rotary valvnote original rotary valve timingit ay out of specifications by to egre of re tard or advance To do so bring piston to and scribe ark on crankshaft nd at top (12 o'clock) and also on upper crankcase halfM ark position of rotary valve shaft ge ar in relation to upper crankcase
Th ese marks ill useful to tim rotary valve exactly to th spe cificationsNTolerance of rotary valve timing is egre sW he th sam crankcase is re asse bled, the first timing ethod is to follo dHo ver since replace ent crankcases do not have timing arks (ridg ), th cond th od is re quir dTake note that the second thod is ore accurate and ay be used any tim e
Installatio n
To orr tl ll rot ary alvpro follo)Turning crankshaft, bring eto sid piston to Top ad nterUse dial indicator (P414 1047 00)414 1047 00