Ski-Doo Formula S 1998, Shop Manual

Page: 212 / 338

Section 06 ELECTRICAL
Subsection 03 (IGNITION TIMING)
06-03-2
1. Fan cowl timing mark
2. Yellow fin
If marks do not align, there is something wrong
with fan mounting. Check Woodruff key and fan.
Checking Ignition Timing
NOTE: To perform this procedure we strongly
recommend a stroboscopic timing light which is
able to exceed 6000 RPM.
To check ignition timing, use a timing light (P/N
529 0319 00).
NOTE: This timing light is battery powered (2 al-
kaline batteries, type C) and therefore needs no
auxiliary power supply. If a different timing light
requiring auxiliary power supply is used on manu-
al start models, use a separate battery to power
timing light.
TIMING LIGHT (P/N 529 0319 00)
The ignition components are affected by temper-
ature variation, therefore, timing must be checked
when engine is cold, after idling for a MAXIMUM
of 20 seconds.
NOTE: On applicable models, turn heating grips
off prior to checking ignition timing.
1. Connect timing light pick-up to the spark plug
lead. Use a digital induction type tachometer
(P/N 529 0145 00).
TACHOMETER (P /N 529 0145 00)
-
CAUTION
Always check the timing with a stroboscopic
timing light at 6000 RPM after the marks
have been checked.
A05E03A
2
1
A00B4FA
F01B1GA