Ski-Doo Ski Doo MX Z 2005 [992/1429] Connecting rod big end axial play

Ski-Doo Ski Doo MX Z 2005 [992/1429] Connecting rod big end axial play
Section 03 ENGINES (2-STROKE)
Subsection 04 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
Crankshaft Deflection in Center
of Crankshaft
ENGINE TYPE
MAXIMUM IN CENTER
OF CRANKSHAFT
mm (in)
All 0.08 (.0031)
NOTE: Crankshaft deflection cannot be correctly
measured between centers of a lathe.
NOTE: If the deflection exceeds the specified tol-
erance, crankshaft should be repaired or replaced.
CONNECTING ROD BIG END
AXIAL PLAY
ENGINE TYPE
NEW PARTS
(min. - max.)
WEAR LIMIT
277, 443 and
552
0.20 - 0.53 mm
(.008 - .021 in)
1.0 mm
(.039 in)
593
0.39 - 0.74 mm
(.015 - .029 in)
1.20 mm
(.047 in)
593 HO SDI
0.31 - 0.67 mm
(.012 - .026 in)
1.20 mm
(.047 in)
Using a feeler gauge, measure distance between
thrust washer and crankshaft counterweight. If
the distance exceeds specified tolerance, repair or
replace the crankshaft.
A01C0SA
TYPICAL
CRANKSHAFT END-PLAY
277 Engine Type
ENGINE TYPE MINIMUM MAXIMUM
277
0.10 mm
(.004 in)
.030 mm
(.012 in)
Adjustment
Crankshaft end-play is adjusted with shims locat-
ed between crankshaft and magneto side bearing.
A01C1NA
3
1
5
4
2
1. Distance ring
2. Shim location
3. Bearing
4. PTO
5. MAG
CAUTION: Always install end-play adjustment
shims on the magneto side between bearing
and crankshaft counterweight.
The following is required for the adjustment pro-
cedure:
adjustment shims (refer to Parts Catalog)
THICKNESSES AVAILABLE
0.10 mm (.004 in)
0.20 mm (.008 in)
0.30 mm (.012 in)
0.50 mm (.020 in)
micrometer
caliper.
Total shim thickness needed for the end-play ad-
justment is determined with the following proce-
dure:
Measure crankcase halves as illustrated (M
1
and M
2
).
A standard compressed crankcase gasket will
have a 0.30 mm (.012 in) thickness (M
3
). Add
these measurements to obtain dimension A.
mmr2005-013 119

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