ZHEJIANG KAYO MOTOR CO., LTD.
www.kayomoto.us
63
Troubleshooting of the cylinder body, please refer to the following table
Maintenance of Cylinder Body
Description
Damage form
Trouble
Cause
Correction
Cylinder
body
Excessive oil
dirt or sand on
the radiating fins
Poor heat
radiation of the
fins on cylinder
body
The engine overheats
Remove the oil
dirt or sand
Cylinder end
surface badly
distorted
Air leakage
between the
cylinder and
cylinder head
The engine starts hard or fails to
start .Insufficient engine output;
poor idle speed and high fuel
consumption
Grind
the
cylinder
end
surface
or
replace
the
cylinder body
The cylinder is
badly worn
The
fitting
clearance between
the cylinder and
position, position
ring is too wide
The engine starts hard or fails to
start .Insufficient engine output;
Poor engine idle speed. Thick
blue and white fume form the
exhaust muffler pipe.
Repair
with
boring machine
or replace the
cylinder body.
The
cylinder
gasket
is damage
Oil leakage between the cylinder
and crankcase.
Replace the
cylinder gasket
5.4.3 Disassemble, assemble and maintain crankcase
Remove the cover of right crankcase half.
Check whether the oil seal of starting shaft
and seal edge of gearshift lever are worn.
Replace if necessary.
