ow
o
O
¢-¢
=.
,g.
4-
=.
_-- Fuel esed improper ..................... .
Engine 1_ Spatrk plug defective (burnt) ............
overheated -'_ As cooling fins clogged, _r
|does not pass well ............
tm Combustion cha.mbe_ _taiaxed
with carbon ........
Use fuel with correct mixing eati(x Never use
gasoline of poor quality.
Replace it.
Cle-_tl fins.
Disassemble it and remove carbon.
F Point gap incorrect ........................ Make it Q35 mm (0.0138")
--Fisln 3 _uxactlon P[_tg damaged ot stained ................ R._pLac¢ ot cleo.n it,
defective L Comlmsti0n poor due to impaired
or incorrect wiring ........ Check wiring.
I--- Main jet setting incorrect .............. Readjust it.
-- Carburetor e
defective _ Carburetor o_ rflow ...................... Refer to Table L
t.-. Air cleaner clogged ....................... Rinse it.
__ 0 ther
troubles
r'-- Co_pre_ion inefficient
(piston ring stuck or worn out_ .......
_-- Cylinder chrome plating
--_ ex foliat ed .................
_-- Exhaust po[t clogged with carbon..,
t--_Throttel is not fully open ................
Disa_ernbly, check and replace
it if rie_c_J_ary.
Replace cylinder.
Clean it,
Open it fuLiy.
F_ Chain tel_ion incorrect ......... ;........ A_just iL
,----Chain d_s r_ot _.-Chain wron_y set .......................... Set it correcily_
cut clema "---Depth incorrect ............................ Readjust Jr,
r-- Chain saw pressed against
Chain stops --_ tze¢ too fttml'_ ................ Press it lishtly,
1
(Cu'tchslips) m
k----Cluth shoe worn out ..................... Replace it.
No oil in ta.nk ............................... Refill it,
ehai_ po_tlT¢ _.I--- Oil delivering an_ount lug ott €ct ....... Adjust Lt,
lubricated _Oil contarnlrmted with duZt ............ Rinse tgnk and replenish new oil.
-- " _ Oil viscosity inappropriate Use 0da with correct viscosity
........... for summer or winter.
- 24-
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