Yamaha TTR250L Service Manual page 57

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VALVE CLEARANCE ADJUSTMENT
3 - 8
6.Remove:
Exhaust pipe 1
7.Loosen:
Cap bolt 1
8.Remove:
Cam chain tensioner 2
9.Remove:
Camshaft caps 1
Camshafts 2
NOTE:
Refer to "ENGINE DISASSEMBLY-CYLIN-
DER HEAD, CAMSHAFTS, CYLINDER AND
PISTON" in CHAPTER 4.
Fasten a wire to the cam chain to prevent
it from falling into the crankcase.
10.Adjust:
Valve clearance
*********************************
Adjustment steps:
Remove the valve lifter 1 and pad 2
using the valve lapper 3.
NOTE:
Place a piece of rag in the cam chain room
to prevent the pad from falling into the
crankcase.
Remove the rag after adjustment.
Select the proper valve adjusting pad
from the following chart.
CHK
ADJ

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