9.Timing chain
Check
.Timing chain
Replace it if the chain is stretched, or not flex-
ible or broken.
10.Timing sprocket and crankshaft sprocket
Check
.Crankshaft sprocket (on crankshaft)
If there is wear and damaged, replace the
sprocket and chain totally
11.Guide plate
1)Check
.Lower guide plate(exhaust side)
.Upper guide plate (intake side)
Replace it if it is worn or damaged
12.Chain tensioner
1)Check
.Pushing rod of chain tensioner
.Washer
Replace it if it is worn or damaged
.Substract the outer diameter of rocker shaft
from inner diameter of valve rocker hole to
calculate the clearance.
Clearance between rocker hole and shaft=@-
Inner diameter of valve rocker hole@
Outer diameter of rocker shaft
Clearance between rocker shaft and hole:
0.009-0.037mm(0.0004-0.0031 in)
Limit:
0.037mm(0.0015 in)
Replace a set if unqualified
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