Suzuki GW250 Service Manual page 111

• Tighten the conrod cap bolts to the specified torque, in two
steps. (3-65)
NOTE:
* When installing the conrod cap bolts to the crank pin, make sure
that I.D. code A on the conrod faces towards the intake side.
* Never rotate the crankshaft or conrod when a piece of plasti-
gage is installed.
 Comrod cap bolt: 15 N·m (1.5 kgf-m, 11.0 lbf-ft)
• Remove the conrod caps and measure the width of the com-
pressed plastigage using the envelope scale. This measure-
ment should be taken at the widest part of the compressed
plastigage.
 Conrod big end oil clearance:
Standard: 0.032 – 0.056 mm (0.0013 – 0.0022 in)
Service Limit: 0.080 mm (0.0031 in)
• If the oil clearance exceeds the service limit, select the speci-
fied bearings from the bearing selection table.
• Check the corresponding conrod I.D. code number ("1" or "2")
A.
• Check the corresponding crank pin O.D. code number ("1",
"2" or "3") B.
 Bearing selection table
Code
1
Conrod
I.D A
2
 Conrod I.D.
Code
1
2
then turn 90° clockwise
Crank pin O.D. B
1 2
Green Black
Black Brown
I.D. specification
34.000 – 34.008 mm
(1.3386 – 1.3389 in)
34.008 – 34.016 mm
(1.3389 – 1.3392 in)
3
Brown
Yellow
ENGINE 3-63