Engine; Adjusting The Valve Clearance - Yamaha T135SE Service Manual

ADJUSTING THE VALVE CLEARANCE

3-7
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EAS00049

ENGINE

ADJUSTING THE VALVE CLEARANCE
The following procedure applies to all of the
valves.
NOTE:
9 Valve clearance adjustment should be made
on a cold engine, at room temperature.
9 When the valve clearance is to be measured
or adjusted, the piston must be at top dead
center (TDC) on the compression stroke.
1. Remove:
9 side cowlings (left and right)
9 front cowling
Refer to "REMOVING THE SIDE COWL-
INGS" AND "REMOVING THE FRONT
COWLING".
2. Drain:
9 cooling system
Refer to "CHANGING THE COOLANT".
3. Remove:
9 AIS resonator mount bolt
9 AIS resonator
9 spark plug
9 bracket
Refer to "CHANGING THE COOLANT".
cC
Be sure to remove the AIS hose, before
removing the AIS resonator, otherwise to
brake the AIS resonator mount.
4. Disconnect:
9 radiator inlet hose
9 radiator outlet hose
9 water pump inlet hose
CHK
ADJ