1996 Ski-Doo Shop Manual, Volume 3, Page 93Get this manual
Section 04 ENGINE b-S ectio 02 (454, 583 and 670 GIN TYPE S)
NTh follo ing proc dure can on ithout re ovin th ngin fro chassis
R AV ste m
NAVE stands for Rotax djustable Variable xhaust
CLE NIN G
Discard all gaske ts and -ringsCle an all etal com pone nts in non-ferrous tal cleanerScrap off carbon orm ation fro cylind er xhaust port, cylinder he ad and piston dom using oode spatulaNTh le ttersUS(ov er an arro on th piston do e) ust be visible aft er cleaningCle an th piston ring groove ith groove cle aner tool, or ith piece of broken ring
3,5,6, prin Clip, er and prin g
Re move spring clip, cover and spring
7,8, Valv Pisto and Cla 50 m
Cut clamp and unscre valve piston
9,10, ello and Cla 21 m
Spre ad clam and re ove ello s
11,12,13, ylin drical Scre w, Lock Wa sh er and Valv Ro usin g
R ov cylindrical scre an th ir ash ers the valve rod housing