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Ski Doo GSX 2005
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Ski-Doo Ski Doo GSX 2005 [682/1429] Warning

Section 05 ELECTRICAL SYSTEM

Subsection 01 (IGNITION SYSTEM)

– Screw the adaptor into the spark plug hole

and tighten to prevent movement in the plug

hole.

– Position the dial face toward the PTO. Move

the gauge down until the needle just begins

to move, then move down a further 5 or

6 mm (approximately 1/4 in). Tighten adap-

tor lock nut by hand.

• Locate the piston TDC position as follows:

– Slowly rotate the drive pulley back and forth

across TDC while observing the needle.

Note that the needle stops moving only as

thepistonischangingdirection.

– Rotate the dial face so that "0" is in line with

theneedlewhenitstopsmoving.

– Again, slowly rotate the drive pulley back and

forth across TDC and adjust the dial face to

"0", until the needle always stops exactly at

"0" before changing direction.

–"0" now indicates exact TDC.

• Rotate the drive pulley counterclockwise, one-

quarter turn then carefully rotate it clockwise

until the needle indicates the specified mea-

surement.

ENGINE MEASUREMENT

995 SDI

7.87 mm (0.310 in)

• With the TDC gauge indicating specified timing,

scribe a mark on drive pulley inner half and on

engine support.

A35C2OA

TIMING MARKS

move TDC gauge.

Checking Ignition Timing

To check the ignition timing proceed as follows:



WARNING

Place ski tips against a wall, raise rear of ve-

hicle on a stand, so that track does not con-

tact the ground. Do not allow anyone in front

of or behind the vehicle while engine is run-

ning. Keep clear of track and do not wear

loose clothing which can get caught in mov-

ing parts.

Connect the timing light pick-up to a spark plug

cableonMAGside.

Connect the digital/inductive type tachometer

(P/N 529 014 500) on same spark plug cable.

F01B1GA

TACHOMETER

Start the engine and point timing light on timing

mark.

The timing marks must be aligned with pointer

end. If such is not the case, note if timing is re-

tarded or advanced.

ENGINE TOLERANCE

995 SDI ±0.5°

mmr2005-127 161

Ski-Doo Ski Doo GSX 2005 [682/1429] Warning

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