Linhai ARCHON 400, Service Manual

Page: 34 / 218

CHAPTER 3 ENGINE
BUCK 450 SERVICE MANUAL 20.0
(with spark plug cleaner or w ire brush)
5.Measure:

Spark plug gap
③
(with a wire gauge)
Out of specification Adjust gap.
Spark plug gap :
0.6-0.7 mm
6. Install:

Spark plug
N O TE :
Before installing a spark plug, clean the
Gasket surface and plug surface.
3.2.3 COMPRESSION PRESSURE
MEASUREMENT
NOTE :
Insufficient compression pressure will result in
performance loss.
1. Check:

Valve clearance
Out of specification Adjust.
Refer to “CALCE CLEARANCE ADJUSTMENT”
section.
2. Start the engine and let it warm up for several
minutes.
3. Turn off the engine.
4. Remove:

Spark plug
Before removing the spark plug, use com
pressed air to blow away any dirt accumulated
in the spark plug well to prevent it from falling
into the cylinder.
5. Attach:

Compression gauge

6. Measure:

Compression pressure
CHAPTER 3 ENGINE PAGE. 3- 9