39
YT119
2. Carefully remove the crankshaft from the left-side
crankcase half while holding the timing chain clear
of the timing sprocket; then remove the timing chain.
YT121
YT122
Servicing Crankcase
Components
1. Inspect the crankshaft, crankshaft bearings, and con-
necting rod for excessive wear, damage, or discolor-
ation.
2. Using a thickness gauge, check for the side-to-side
clearance between the connecting rod and crank-
shaft. Clearance must not be greater than specified.
YT134
3. Place the crankshaft assembly on a set of V blocks;
then using a dial indicator, measure crankshaft
runout. Runout must not exceed specifications.
YT133
4. Using an appropriate caliper, measure crankshaft
web-to-web distance. Measurement must not exceed
specifications.
YT136
5. Examine crankcase halves for discoloration in bear-
ing bosses, cracks, or signs of warping.
AT THIS POINT
The center components are now disassembled for
inspection.
Manual
Table of Contents
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