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Просмотр инструкции снегоходы Ski Doo SUMMIT 2005, страница 1282
Section 08 ELECTRICAL
Subsection 01 (IGNITION TIMING)
IGNITION TIMING
SERVICE TOOLS
Description Part Number Page
9 volt adapter........................................................................
529 035 675 ......................................... 428
digital induction type tachometer .........................................
529 014 500
......................... 422, 424, 427
MPEM programmer..............................................................
529 035 878 ......................................... 428
supply cable..........................................................................
529 035 869 ......................................... 428
TDC gauge ...........................................................................
414 104 700
......................... 421, 423, 426
Vehicle Communication Kit (VCK).........................................
529 035 981
................................. 428, 431
277 Engine Type
This 277 engine type is equipped with a Rotax
Electronic Reverse system (RER). It uses a single
coil ignition system and 2 trigger coils. Refer to
MAGNETO SYSTEM for more information.
This section is mainly divided in 2 parts, the first
one using a Top Dead Center gauge to VERIFY
THE MAGNETO FLYWHEEL TIMING MARK POSI-
TION. The second one using a stroboscopic timing
light to CHECK IGNITION TIMING.
Flywheel timing mark position verification is re-
quired to:
– To detect a missing or broken magneto flywheel
Woodruff key which change the timing, with
eventual break down of the engine.
– To correctly locate and mark a timing mark on a
new service magneto flywheel.
– To verify the correct location of the factory tim-
ing mark.
– To detect a wrong magneto flywheel corre-
sponding to a different engine type.
Always verify magneto flywheel timing mark posi-
tion before checking ignition timing.
Verifying Magneto Flywheel Timing
Mark Position
– Disconnect spark plug wire and remove spark
plug.
– Install and adjust TDC gauge (P/N 414 104 700)
on engine as follows:
414 104 700
• Rotate magneto flywheel clockwise until pis-
ton is just Before Top Dead Center.
0
9
0
80
7
0
6
0
5
0
40
1
0
2
0
3
0
A03E01A
3
4
1
2
1. Outer ring
2. Adaptor lock nut
3. Roller lock nut
4. Adaptor
• Loosen adaptor lock nut then holding gauge
with dial face toward magneto, screw adap-
tor in spark plug hole.
• Slide gauge far enough into adaptor to obtain
a reading then finger tighten adaptor lock nut.
• Rotate magneto flywheel clockwise until pis-
ton is at Top Dead Center.
• Unlock outer ring of dial and turn it until “0”
(zero) on dial aligns with pointer.
mmr2005-042 421
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