Honda GX240RT2 Service And Repair Manual page 167

CRANKCASE
CRANK PIN O.D.
Measure the crank pin O.D. of the crankshaft.
GX240/GX270
STANDARD:
SERVICE LIMIT:
GX340/GX390
STANDARD:
SERVICE LIMIT:
If the measurement is less than the service limit,
replace the crankshaft
CONNECTING ROD BIG END OIL
CLEARANCE
Clean all oil from the crank pin and connecting rod big
end surface.
Place a piece of plastigauge on the crank pin, install the
connecting rod upper and the connecting rod lower, and
tighten the connecting rod bolts to the specified torque.
TORQUE: 14 N·m (1.4 kgf·m, 10 lbf·ft)
Do not rotate the crankshaft while the plastigauge is in
place.
Remove the connecting rod and measure the
plastigauge.
STANDARD:
SERVICE LIMIT:
If the clearance is more than the service limit, inspect
the connecting rod big end I.D. and the crank pin O.D.
If necessary replace the part that is not within the
service limit and reinspect the clearance.
gx240ut2_gx270ut2_gx340ut2_gx390ut2
32.975 – 32.985 mm
(1.2982 – 1.2986 in)
32.92 mm (1.296 in)
35.975 – 35.985 mm
(1.4163 – 1.4167 in)
35.93 mm (1.415 in)
(page 13-5).
0.040 – 0.064 mm
(0.0016 – 0.0025 in)
0.12 mm (0.005 in)