SECTION 4. DISASSEMBLY AND SERVICE
5) CONNECTING ROD BIG END OIL CLEARANCE (RADIAL)
a) Clean all oil from crank pin surface.
b) Place a piece of plastigauge, install connecting rod, and
tighten the bolts to the specified torque.
Tightening torque: 12-14N.m
Note: Do not rotate crankshaft when tightening the bolts.
c) Remove the connecting rod and measure the plastigauge.
d) If the clearance exceeds the service limit, replace the
connecting rod and recheck the clearance.
If clearance still exceeds service limit after using the new
connecting rod, lap the crank pin to recondition it, and use a
connecting rod smaller than the standard value.
CAMSHAFT
As the main driving piece of the gasoline engine’s valve actuating mechanism, the camshaft controls
opening and closing of intake and exhaust valves following a regular rule. Check cam surface and cam
height for damage, check whether camshaft and bearings have play or are worn, if so, replace all of them.
1) CAMSHAFT CAM HEIGHT
Standard Service limit
IN 27.70 mm 27.45 mm
EX 27.75 mm 27.50 mm
Standard Service limit
0.04-0.063 mm 0.12 mm
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