56
ATV-1074
3. Zero the indicator and rotate the crankshaft slowly.
4. Maximum runout must not exceed specifications.
NOTE: Proceed to check runout on the other end of
the crankshaft by positioning the indicator contact at
point 2 and following steps 3-4.
Measuring Crankshaft (Web-to-
Web)
1. Using a calipers, measure the distance from the out-
side edge of one web to the outside edge of the other
web.
ATV-1017
2. Acceptable width range must be within specifica-
tions.
CRANK BALANCER SHAFT
Inspecting
Inspect the gear teeth and bearing surfaces for chips, dis-
coloration, or excessive wear.
KM724
Assembling Crankcase
Half
NOTE: For ease of assembling, install components
on the left-side crankcase half.
To assemble center crankcase components, install the
balancer shaft into the left-side crankcase half; then align
the timing mark on the balancer shaft with the timing
mark on the crankshaft. Install the crankshaft.
KM728A
Joining Crankcase Halves
1. Verify that the alignment pins and a new gasket are
in place and that both case halves are clean and
grease free. Place the right-side half onto the left-
side half.
2. Using a plastic mallet, lightly tap the case halves
together until cap screws can be installed.
3. From the right side, install the crankcase cap screws
noting the location of the different-sized cap screws;
then tighten only until snug.
NOTE: Rotate the crankshaft back and forth to
ensure no binding or sticking occurs while tightening
the cap screws.
CAUTION
Care should be taken to support the connecting rod
when rotating the crankshaft.
Manual
Table of Contents
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