1996 Ski-Doo Shop Manual, Volume 3, Page 227Get this manual
Section 06 ELECTRICAL b-S ectio 02 (IG NITIO TIMIN G)
DUCATI CDI SYSTEM
503 Engine Type Prop er ignition timing is de termin ed by trigg er coil positionIf for any reason, ignition timing accuracy is suspe ct ed, it can verified as follo s
Verify in eto Fly el Ti in ark Positio n
Prior to che cking the timing, it ay ne ce ssary to verify the position of th timing mark on the magne to fly el, for th follo ing reasons1To ct missing or bro agn to flyw oodruff hic uld allo chang of timing to occur, ith eventual break do of the ngine 2To corre ctly locate and mark timing mark on ne service agn eto fly he el3To verify the corre ct location of the factory timing ark4To ete ct wrong magne to flyw he elTo verify the position of th timing mark on the magne to fly el, proce ed as follo1Cle an th area around th spark plugs, and remove th 2Re move th re ind starter from the engin e3Install the TD gauge in the spark plug hole, ra or idand dj folloaPosition th agn to fly el at approximat ely TD C