1996 Ski-Doo Shop Manual, Volume 3, Page 104Get this manual
Section 04 ENGINE b-S ectio 03 (599 and 779 GIN YPES)
M ost engin co pon ents can be re moved ith engin on ve hicle such ascylind er ead piston(s) cylind er(s) re ind starter oil pum ater pum magne to fly he el rave valve(s)
3,4,5, prin Clip, er and prin g
Re move spring clip, cover and spring
6,7, Valv Pisto and Cla 50 m
Cut clamp and unscre valve piston
8,9, ylin drical Scre and Valv Ro usin g
Re move cylindrical scre the valve rod housing
10,11,12,13,14, Va lv Ro d, O-rin g, Wa sh er, Dista nce ut and st Va lv e
Pull out xhaust valve asse bly
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 cylind er he ad and piston do using oode spatulaNThe le tt ers ''A US'' (over 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 pie ce of broke ring