Ski-Doo Formula S 1998, Shop Manual

Page: 84 / 338

Section 04 ENGINE
Subsection 02 (277 ENGINE TYPE)
04-02-9
Prior to installation, place bearings into an oil con-
tainer and heat the oil to 75°C (167°F) for 5 to 10
min. This will expand bearings and ease installa-
tion.
Install bearings with groove outward.
NOTE: Crankshaft end play requires adjustment
only when crankshaft and/or crankcase is re-
placed. Prior to magneto side bearing installation,
determine crankshaft end play and install required
shim(s) on crankshaft extension. For the crank-
shaft end play adjustment procedure, refer to
LEAK TEST AND ENGINE DIMENSION MEA-
SUREMENT 04-04.
To install new seal nos. 3 and 4 into crankcase
use oil seal pusher (P/N 420 9779 20).
1. Crankcase half
Prior to crankcase adjoining, install a protector
sleeve on each crankshaft extension to prevent oil
seal damage. Apply a light coat of lithium grease
on seal lip. Spray some new injection oil on all
moving parts of the crankshaft.
Install crankshaft seals with pusher (P/N 420 2778
75) for MAG side seal
no. 4 and (P/N 420 8766 60)
for PTO side seal no. 3 .
Using a press, install crankshaft into MAG side
crankcase half.
Press down PTO side crankcase half onto crank-
shaft using appropriate spacer(s).
-
CAUTION
To ensure appropriate crankshaft bearing lu-
brication, seal outer surface must be
pressed on seal crankcase shoulder.
A00C3ZA
420 9779 20
1
A05C0IA
A05C0JA