Section 04 ENGINE (2-STROKE)
Subsection 05 (BOTTOM END)
947 DI Engines
Seals are positioned with the outer lip in the
crankcase recess.
F06D1LA
1
1. Seallipincrankcaserecess
Drive Pin
Make sure drive pins no. 6 of bearings are properly
installed in crankcase recesses at assembly.
F00D0OA
1
1. Drive pins
Counterbalance Shaft
787 RFI Engines
Press gear no. 14 onto counterbalance shaft
no. 13 taking care to align both marks previously
traced.
CAUTION: Counterbalance shaft must be prop-
erly assembled, otherwise engine will vibrate
and premature wear will occur.
Proceed as follows to check if the gear no. 14 is
properly positioned on the counterbalance shaft:
– Temporarily install the counterbalance shaft in
the crankcase.
– Rotate the counterbalance shaft to align the
notch of the gear with the crankcase.
F00D0UA
1
1. Gear notch aligned with the crankcase
– The notch of the couterweight on the opposite
end of the counterbalance shaft must also be
aligned with the cranckcase.
F00D0VA
1
1. Counterweight notch aligned with the crankcase
If notches are not aligned with the crankcase, re-
move the gear and repeat the procedure until the
notches are properly aligned.
947 DI Engines
Install bearing no. 31 and washer no. 32.
146 smr2004-Complete Line Up
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