Workshop Manual

4–20 ENGINE ASSEMBLY II
CONNECTING ROD
Connecting Rod Alignment
Use a connecting rod aligner to measure the connecting
rods twist distortion and parralelism between the rods
large and small ends.
If the measured value exceeds the limit, replace the
connecting rod.
Connecting Rod Alignment
(Per Length of 100 mm (3.94 in) mm (in)
Piston Pin and Connecting Rod Small End Bushing
Clearance
Use a caliper calibrator and a micrometer to measure
the piston pin and connecting rod small end bushing
clearance.
If the clearance between the piston pin and the connect-
ing rod small end bushing exceeds the specified limit,
replace either the piston pin or the connecting rod bush-
ing.
mm (in)
Connecting Rod Bushing Replacement
Connecting Rod Bushing Removal
1. Clamp the connecting rod in a vise.
2. Use a brass bar and a bench press or hammer to
remove the connecting rod bushing.
Standard Limit
Piston Pin and Con-
0.0120.025 0.05
necting Rod Small
(0.000470.00098) (0.00197)
End Bushing Clearance
Standard Limit
Twist, Parallelism
0.05 (0.002) 0.20
or less (0.0079)