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 />
Cylinder Head Inspection<br />
Use a straight edge and a feeler gauge to<br />
measure the cylinder head for warp.<br />
Service limit: 0.10 mm<br />
Cylinder Head Installation<br />
Replace the cylinder head gasket with new one,<br />
and place the cylinder head onto cylinder.<br />
Tighten the 4 bolts with diagonal direction and<br />
by 2-3 sequences.<br />
Tighten torque: 1.0 kgf-m<br />
Install spark plug<br />
Tighten torque: 1.4 kgf-m<br />
Replace the exhaust pipe washer with new one<br />
and then install exhaust pipe.<br />
Tighten exhaust pipe connection nut.<br />
Tighten torque: 1.2 kgf-m<br />
Tighten exhaust pipe mounting bolt.<br />
Tighten torque: 3.3 kgf-m<br />
Install the removed parts in the reverse order of<br />
removal procedures.<br />
Inspect following item after installation.<br />
Compression pressure test.<br />
Check for engine noise.<br />
5-4<br />
This chapter Contents<br />
Tightening bolts<br />
Muffle<br />
Bolt x 2<br />
Tightening bolt x 2