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Sym DD 50 Service Manual

Sym DD 50
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5. CYLINDER HEAD/CYLINDER/PISTON
5-6
Use a straight edge and a feeler gauge to
measure the cylinder head for warp.
Service limit: 0.10 mm
In “X” and “Y” direction, measure the cylinder for
worn out as the three levels shown in the figure.
With the max. value to decide cylinder wear out
condition.
Service limit : 39.05mm
Measure the OD of piston at the 7 mm from the
bottom of the piston.
Service limit : 38.935 mm
Calculate the clearance between piston and
cylinder.
Service limit: 0.100 mm
Measure the ID of piston pin hole.
Service limit : 12.030mm
Measure the OD of piston pin.
Service limit : 11.970 mm
The ID of piston pin hole
The OD of piston pin
7mm
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Sym DD 50 Specifications

General IconGeneral
BrandSym
ModelDD 50
CategoryScooter
LanguageEnglish

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