1D-57 Engine Mechanical:
Crankshaft runout
Support the crankshaft using V-blocks and measure the
crankshaft runout using the dial gauge, as shown. If the
runout exceeds the service limit, replace the crankshaft
with a new one.
NOTE
• Place the crankshaft onto the V-blocks so
that it becomes horizontally.
• Measure the runout from the tips of the
crankshaft.
Crankshaft runout
Service limit: 0.08 mm (0.003 in)
Special tool
(A): 09900–20607 (Dial gauge (1/100 mm, 10
mm))
: 09900–20701 (Magnetic stand)
: 09900–21304 (V-block (100 mm))
Width between crankshaft webs
Measure the width between crankshaft webs “a”.
Width between crankshaft webs “a”
Standard: 61.9 – 62.1 mm (2.43 – 2.44 in)
Balancer Shaft Inspection
B933H21406038
Inspect the balancer shaft in the following procedures:
1) Separate the crankcase, left and right. Refer to
“Engine Bottom Side Disassembly (Page 1D-41)”.
2) Remove the balancer shaft (1).
3) Inspect the balancer shaft for wear or damage. If any
defects are found, replace the balancer shaft with a
new one.
4) Install the balancer shaft (1).
5) Reassemble the crankcase, left and right. Refer to
“Engine Bottom Side Assembly (Page 1D-48)”.
Crankshaft Bearing / Balancer Shaft Bearing
Inspection
B933H21406039
Refer to “Engine Bottom Side Disassembly (Page 1D-
41)” and “Engine Bottom Side Assembly (Page 1D-48)”.
Rotate the bearing inner race by finger to inspect for
abnormal play, noise and smooth rotation while the
bearings are in the crankcase.
Replace the bearing if there is anything unusual. Refer
to “Crankshaft Bearing / Balancer Shaft Bearing
Removal and Installation (Page 1D-58)”.
(A)
(A)
I933H1140227-01
“a”
I705H1140149-04
1
I933H1140228-01
I933H1140229-01
Play
Play
I933H1140230-01
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Содержание LT-Z400
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