Honda EG5000CX - Page 94

TROUBLESHOOTING
4-3
Normal
Compression
is too high
Compression
is too low
Perform the cylinder compression test (page
13-5).
Check the valve clearance (page 3-7) and
then perform the cylinder compression test. If
the cylinder compression is too high, remove
carbon deposits in the combustion chamber
(page 3-8).
Check the valve clearance (page 3-7), and
then perform the cylinder compression test.
If the cylinder compression is too low,
perform a leak down test.
If there is no air leakage in the engine, check
the following.
- Valve spring free length (page 13-7)
- Valve seat width (page 13-6)
- Valve face irregularly worn (page 13-7)
- Decompressor operation (page 14-13)
- Piston ring side clearance (page 14-10)
- Piston ring width (page 14-9)
- Piston ring end gap (page 14-10)
- Piston skirt O.D. (page 14-8)
- Cylinder sleeve I.D. (page 14-7)
Restart the engine according to the starting
procedure.
From page 4-2
82Z30000.book 3 ページ ２０１０年６月２５日 金曜日 午後５時５０分