Sym Fiddle 50 User Manual

9. CRANKCASE/CRANKSHAFT
9-4
Crankshaft Inspection
Measure the clearance of connecting rod big end.
Service limit: 0.60 mm
Measure the radial clearance of connecting rod
big end at X-Y directions as diagram show.
Service limit: 0.04 mm
Place the crankshaft on a V-block, measure
run-out points A and B of the crankshaft with dial
gauge.
Service limit: A: 0.10 mm
B: 0.10 mm
Check the crankshaft bearing by means of
turning it with hand. If any noise and bigger
clearance are detected, replace the bearing with
new one.
Radial
37mm
Clearance
70mm
A
B
Clearance
Lateral
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Sym Fiddle 50 Specifications

General

Brand	Sym
Model	Fiddle 50
Category	Scooter
Language	English