Raider Pro 250 (single-seat / double-seat): Service Manual EEC Version: 1.0 Oct.. 2004
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3.2 Cylinder Head & Valve
3.2.1 Disassembly Diagram
3.2.2 Trouble Shooting
The compression is too low or not stable.
a. Valve
The lifter hasn’t been adjusted well;
The valve is burnt or deformed;
The valve spring is damaged;
The valve timing is faulty;
The valve seat seal is faulty.
b. Cylinder Head
The cylinder head gasket leaks air;
The cylinder head is deformed or cracked.
c. Cylinder Piston is faulty.
The compression is too high.
a. There is a carbon accumulation on the piston or in the combustion chamber.
Noise
a. The lifter hasn’t been adjusted well;
b. The valve is burnt, or the valve spring is damaged or worn;
c. The rocker or the rocker shaft is damaged or worn.
Summary of Contents for Raider Pro 250 S
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