Honda GX240RT2 Service And Repair Manual page 70

From page 4-2
Perform the cylinder compression test
(page 12-5) .
Normal
Check for a restricted spark arrester
(if equipped).
Not restricted
Restart the engine according to the starting
procedure.
gx240ut2_gx270ut2_gx340ut2_gx390ut2
Compression
is too high
Compression
is too low
Restricted
TROUBLESHOOTING
(page 3-12)
Check the valve clearance
then perform the cylinder compression test. If
the cylinder compression is too high, remove
carbon deposits from the combustion
(page 3-13)
chamber .
(page 3-12)
Check the valve clearance
then perform the cylinder compression test.
If the cylinder compression is too low,
perform a leak down test.
If there is air leakage in the engine, check the
following.
- Valve seat width (page 12-5)
- Valve face irregularly worn
- Valve spring free length (page 12-7)
- Cylinder sleeve (page 13-13)
- Piston skirt O.D. (page 13-14)
- Piston ring side clearance (page 13-15)
- Piston ring width (page 13-16)
- Piston ring end gap (page 13-16)
- Decompressor operation (page 13-20)
(page 3-10)
Clean the spark arrester
and
, and
(page 12-6)
.