Choose your country
We work in partnership with many official Kymco dealers around the world.
You can select the country of your choice from the list below, whatever your choice, we can deliver worldwide!
6. CYLINDER HEAD/VALVES STRYKER 125/150
TORQUE VALUES
Cylinder head cover nut 1.21.6kg-m
Cylinder head nut 2.0kg-m
Valve clearance adjusting nut 0.9kg-m
Exhaust muffler joint lock nut 1.82.5kg-m
Exhaust muffler lock bolt 3.03.6kg-m
Spark plug 1.11.7kg-m
TROUBLESHOOTING
· The poor cylinder head operation can be diagnosed by a compression test or by tracing engine
top-end noises.
Poor performance at idle speed Abnormal noise
· Compression too low · Incorrect valve clearance adjustment
Compression too low, hard starting · Sticking valve or broken valve spring
or poor performance at low speed · Damaged or worn camshaft
· Leaking cylinder head gasket · Worn cam chain guide
· Loose spark plug · Worn camshaft and rocker arm
· Worn, stuck or broken piston and piston rings Abnormal noisy piston
· Worn or damaged cylinder and piston · Worn cylinder and piston
Compression too high, overheating or knocking · Worn piston pin or piston pin hole
· Excessive carbon build-up in cylinder head · Worn connecting rod small end bearing
or on piston head Abnormal noisy piston rings
· Worn cylinder and piston · Worn, stuck or broken piston rings
· Incorrectly installed piston rings · Worn or damaged cylinder
· Damaged cylinder and piston
White smoke from exhaust muffler
· Worn valve stem or valve guide
· Damaged valve stem seal
6-3