DAELIM ET-300 Service Manual page 61

6-10 Valve Clearance Adjustment
Loosen Air Injection system (AI) pipe upper side bolt
Caution
Checks and adjustment must be performed when
the engine temperature is below 35℃.
Remove front fender, fuel tank cover and fuel tank.
Remove cylinder head cover.
Remove cylinder head side cover.
Turn camshaft bolt in C.W. direction and let the "T"
mark on the camshaft sprocket align with cylinder
head mark so that piston is placed at TDC position
in compression stroke.
Caution
Do not turn the bolt in C.C.W. direction to prevent
from camshaft bolt looseness.
Valve clearance inspection and adjustment.
Check & adjust valve clearance with feeler gauge.
Standard Value: IN 0.10 ± 0.02 mm
EX 0.15 ± 0.02 mm
Loosen fixing nut and turn the adjustment nut for
adjustment.
Caution
Re-check the valve clearance after tightened the
fixing nut.
2 bolts
Timing mark