Section 03 ENGINE
Sub-Section 06 (BOTTOM END)
03-06-11
Proceed as follows to check if the gear
no. 18
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.
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.
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.
12,16, Bearing and Counterbalance
Shaft
Prior to installation, place bearings into a container
filled with oil, previously heated to 75°C (167°F).
This will expand bearings and ease their installa-
tion.
14,16, Crankshaft and Counterbalance
Shaft
Install crankshaft first in crankcase.
After crankshaft installation, install counterbal-
ance shaft. Make sure to properly index crank-
shaft and counterbalance shaft by aligning marks
of gears.
1. Marks must be aligned
Turn by hand the crankshaft and counterbalance
shaft. Make sure they do not interfere with the
crankcase.
3, Crankcase
Crankcase halves are factory matched and there-
fore, are not interchangeable or available as single
halves.
Prior to joining crankcase halves, apply a light coat
of Loctite 515 on mating surfaces. Do not apply in
excess as it will spread out inside crankcase.
F00D0UA
1
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CAUTION
Marks on the crankshaft and counterbalance
shaft must be aligned, otherwise engine will
vibrates and premature wear will occur.
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