Linhai ARCHON 400, Service Manual

Page: 33 / 218

CHAPTER 3 ENGINE
BUCK 450 SERVICE MANUAL 20.0

Measure the valve clearance.

If the clearance is incorrect, repeat above
steps until specified clearance is obtained.
7. Install:

Valve cover (intake side)


O-ring

8. Install:

Valve cover(exhaust side)

O-ring

Spark plug

Timing check window screw

Crankcase cover
3.2.2 SPARK PLUG INSPECTION
1.Remove :

Spark plug cap

Spark plug
CAUTION:
Before removing the spark plug, use
compressed air to blow away any dirt
accumulated in the spark plug wells to prevent it
from falling into the cylinder.
2. Check:

Spark plug type
Incorrect Replace.
Standard spark plug:
DR8EA (NGK)
3.Inspect:

Electrode

Wear/ damage Replace.

Insulator

Abnormal color Replace.
Normal color is a medium - to- light tan color.
4.Clean:

Spark plug
CHAPTER 3 ENGINE PAGE. 3- 8