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Ski Doo MX Z 2005
Инструкция по эксплуатации Страница: 583

Ski-Doo Ski Doo MX Z 2005 [583/1429] Assembly

Section02ENGINE

Subsection 07 (TOP END)

Cylinder Head, Cylinder Block

and Piston

TOLERANCES

ENGINE

MEASUREMENT

NEW PARTS

(min.) (max.)

WEAR

LIMIT

Cylinder head

volume

44.84 cc 48.97 cc N.A.

Cylinder taper

N.A.

0.04 mm

(.0016 in)

0.10 mm

(.004 in)

Cylinder out of

round

0.008mm

(.0003 in)

0.015 mm

(.0006 in)

0.08 mm

(.003 in)

Piston/cylinder

wall clearance

0.115 mm

(.0045 in)

0.151 mm

(.0059) in)

0.20 mm

(.008 in)

Ring/piston

groove clearance

0.045 mm

(.002 in)

0.090 mm

(.004 in)

0.20 mm

(.008 in)

Ring end gap

0.550 mm

(.022 in)

0.70 mm

(.027 in)

1.0 mm

(.039 in)

Piston and Cylinder Block Replacement

NOTE: Thereisnooversizepistonavailable.

This engine uses pistons with 2 tolerance groups;

therefore, when a piston needs to be replaced, it is

important to correctly identify its tolerance group

before proceeding with its replacement.

The pistons and cylinders are identified by the let-

ters “A” or “B”.

A32CD2A

A32CD3A

NOTE: A cylinder block may use pistons of 2 differ-

ent tolerance groups. Always match piston “A”

with cylinder “A” and piston “B” with cylinder

“B”.

When a cylinder block needs to be replaced, the

replacement part is provided with 2 matching pis-

tons.

ASSEMBLY

Piston

Lubricate needle bearings and insert into connect-

ing rod.

A02C2HA

TYPICAL

At assembly, place the pistons over the connect-

ingrodswiththearrowpointingtowardtheex-

haust port.

56 mmr2005-117

Ski-Doo Ski Doo MX Z 2005 [583/1429] Assembly

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