Ski-Doo Formula S 1998, Shop Manual

Page: 106 / 338

Section 04 ENGINE
Subsection 04 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
04-04-9
Crankshaft Deflection on PTO Side
Crankshaft Deflection on MAG Side
Crankshaft Deflection in Center of
Crankshaft
NOTE:
Crankshaft deflection can not be correctly
measured between centers of a lathe.
If the deflection exceeds the specified tolerance,
crankshaft should be repaired or replaced.
CONNECTING ROD BIG END
AXIAL PLAY
Using a feeler gauge, measure distance between
thrust washer and crankshaft counterweight. If
the distance exceeds specified tolerance, repair or
replace the crankshaft.
TYPICAL
CONNECTING ROD/PISTON PIN
CLEARANCE
Measure piston pin with its needle bearing. Com-
pare to inside diameter of connecting rod.
ENGINE
TYPE
DISTANCE A
mm (in)
MAXIMUM ON PTO SIDE
mm (in)
377, 443 75.5 (2.972) 0.05 (.002)
503 82.5 (3.248) 0.06 (.002)
ENGINE TYPE
MAXIMUM ON MAG SIDE
mm (in)
All 0.03 (.001)
ENGINE TYPE
MAXIMUM IN CENTER
OF CRANKSHAFT
All 0.08 mm (.0031 in)
ENGINE
TYPE
NEW PARTS
MIN. - MAX.
WEAR
LIMIT
277, 377
443 and 503
0.20 - 0.53 mm
(.008 - .021 in)
1.00 mm
(.039 in)
A01C0SA
A01C3GA
A01C3HA