Suzuki SQ416 Service Manual page 56

Alphabets stamped Al h b t t d
on lower crankcase on lower crankcase
D If necessary, regrind crankshaft journal and select undersize
bearing to use with it as follows.
1) Regrind journal to following finished diameter.
Finished diameter: 64.738 – 64.756 mm
2) Using micrometer, measure reground journal diameter.
Measurement should be taken in two directions perpendicular
to each other in order to check for out-of-round.
3) Using journal diameter measured above and alphabets stamped
on lower crankcase, select an undersize bearing by referring
to table given below.
Check bearing clearance with newly selected undersize bear-
ing.
64.750 – 64.756 mm
(2.5492 – 2.5494 in.)
A Black & Red
B Red
C Red & Yellow
Rear Oil Seal
Carefully inspect oil seal for wear or damage. If lip portion is worn
or damaged, replace oil seal.
Flywheel
D If ring gear is damaged, cracked or worn, replace flywheel.
D If the surface contacting clutch disc is damaged, or excessively
worn, replace flywheel.
D Check flywheel for face runout with a dial gauge.
If runout exceeds its limit, replace flywheel.
Limit on runout: 0.2 mm (0.0078 in.)
ENGINE MECHANICAL (H25 ENGINE) 6A2-11
(2.5487 – 2.5494 in.)
Measured journal diameter
64.744 – 64.750 mm
(2.5489 – 2.5492 in.)
Red
Red & Yellow
Red & Blue
Undersize bearing to be installed
64.738 – 64.744 mm
(2.5487 – 2.5489 in.)
Red & Yellow
Red & Blue
Red & Pink