Ski-Doo Ski Doo SUMMIT 2005 [972/1429] Reed valve

Section 03 ENGINES (2-STROKE)

Subsection 03 (593 AND 593 HO SDI ENGINES)

A32C18A

1 3

TYPICAL

Tighten exhaust manifold bolts in a criss-cross se-

quence as per the following table.

ENGINE

593

593 HO SDI

23 N•m(17lbf•ft) 11 N•m(97lbf•in)

Install outlet socket and tighten screws to 8 N•m

(71 lbf•in). Note position of longer screw.

A32C19A

1. Longer screw

Reed Valve

Blades have a curved shape. Install with their

curvefacingreedblock.

With blade stopper no. 16 removed, check reed

valve for proper tightness. There must be no play

between blade and valve body when exerting a

finger pressure on blade at blade stopper location.

In case of a play, turn blade upside down and

recheck. If there is still a play, replace blade and/or

valve body.

A06C0FA

1. No play

Check distance from blade stopper inner edge and

distance from center of reed valve block.

A06C36A

A A

TYPICAL

A. 14.75 - 0, + 0.75 mm (.580 - 0, + .030 in)

Bent blade stopper as required to obtain the prop-

er distance.

Blade stoppers may slightly interfere with cylinder

during installation. Adjusted distance will be re-

duced automatically upon installation.

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