Valve Clearance Adjustment - DAELIM ET-250 Service Manual

Install Air Injection system (AI) pipe. (4 bolts)
Install inlet pipe onto cylinder
Install and tighten spark plug
Torque value: 1.0~2.0kgf-m
Caution
This model is equipped with more precision 4-valve
mechanism so its tighten torque can not be exceeded
standard value in order to avoid causing cylinder head
deformation, engine noise and leaking so that
motorcycle's performance be effected.
Install the engine onto frame (refer chapter 5).

6-10 Valve Clearance Adjustment

Loosen Air Injection system (AI) pipe upper side bolt
(2 bolts).
Remove cylinder head cover.
Remove the cylinder head side cover.
Remove left crankcase cover, and turn the drive face, and align the timing mark on the cam sprocket with that of
cylinder head, piston is at TDC position.
Loosen valve clearance adjustment nuts and bolts
located on valve rocker arm.
Measure and adjust valve clearance with feeler
gauge.
After valve clearance had been adjusted to standard
value, hold adjustment bolt and then tighten the
Adjustment nut.
Standard Value: IN 0.10 ± 0.02 mm
EX 0.15 ± 0.02 mm
Install the cylinder head side cover.
Start the engine and make sure that engine oil flows onto the cylinder head.
4 bolts
Spark plug
Timing mark