Sym MAXSYM 400i Service Manual page 113

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6. Cylinder Head / Valve
Cylinder Head Removal
Remove engine. (Refer to chapter 5)
Tensioner bolts
Remove 2 bolts of thermostat and then remove
the thermostat.
Remove hole bolt and spring for the cam chain
tensioner.
Loosen 2 bolts, and then remove tensioner.
Remove thermostat (2 bolts).
Thermostat bolts
Remove Air Injection system (AI) pipe mounting
bolts.
Remove spark plug.
4 bolts
Remove cylinder head cover (4 bolts).
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