Sym Jet Euro X servicemanual - Scootergrisen
Sym Jet Euro X servicemanual - Scootergrisen
Sym Jet Euro X servicemanual - Scootergrisen
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5. CYLINDER HEAD/CYLINDER/PISTON<br />
Use a straight edge and a feeler gauge to<br />
measure the cylinder head for warp.<br />
Service limit: 0.10 mm<br />
In “X” and “Y” direction, measure the cylinder for<br />
worn out as the three levels shown in the figure.<br />
With the max. value to decide cylinder wear out<br />
condition.<br />
Service limit<br />
JET 50 : 39.050mm<br />
JET 100 : 51.050mm<br />
Measure the OD of piston at the 7 mm from the<br />
bottom of the piston.<br />
Service limit<br />
JET 50 : 38.935 mm<br />
JET 100 : 50.935 mm<br />
Calculate the clearance between piston and<br />
cylinder.<br />
Service limit: 0.100 mm<br />
Measure the ID of piston pin hole.<br />
Service limit<br />
JET 50 : 12.030mm<br />
JET 100 : 14.030 mm<br />
Measure the OD of piston pin.<br />
Service limit<br />
JET 50 : 11.970 mm<br />
JET 100 : 13.970 mm<br />
5-6<br />
This chapter Contents<br />
The ID of piston pin hole<br />
7mm<br />
The OD of piston pin
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