Linhai ARCHON 400 Service Manual page 55

CHAPTER 3 ENGINE
Apply a fine lapping compound to the valve
face and repeat the above steps.
NOTE:
Make sure to clean off all compound from the
valve face and valve seat after every lapping
operation.
Apply Mechanic's blueing dye (Dykem)
the valve face.
Install the valve into the cylinder head.
Press the valve through the valve guide and
onto the valve seat to make a clear pattern.
Measure the valve seat with
VALVES AND VALVE SPRINGS
INSTALLATION
1. Deburr:
Valve stem end
Use an oilstone to smooth the stem end.
2. Apply:
Molybdenum disulfide oil
(onto the valve stem and oil seal  )
Molybdenum disulfide oil
3. Install:
Valve spring seat 
Valve stem
sealNEW
Valve 
(into the cylinder head)
Valve spring (under) 
Valve spring (outer) 
Spring retainer 
NOTE:
Install the valve spring with the larger pitch
facing upwards.
○
Smaller pitch
b
E
A A
○
to
b
E
A A
○
again.
c
E
A A
○
a
E
A A
BUCK 450 SERVICE MANUAL 20.0
CHAPTER 3 ENGINE PAGE. 3- 30