Service Manual

8
TROUBLE SHOOT,I NG
8
I
Remove spark plug and
check spark by crank-
ing engine while hav-
ing the plug grounded
against engine block.
Install spare plug to
plug hole to avoid
fuel spitting from the
hole.
To avoid electric
shock, do not hold
plug itself.
Make sure to hold plug
cap.
Faulty plug insulation.
Fouled electrodes.
*Faulty high tension cord. Rep
1 ace
STRONG Incorrect ignition coil air Correct
Is unusual smoke emit-
* Overrich fuel in carburetor Adjust
ted out of muffler?
slow system.
Directly and gradually
open throttle valve by
hand. Does revolution
drop or does engine
stall at a certain
position?
I
Clean
*Plugging in carburetor
interior.
NO
Is air drawn through YES Loose flange nuts. Tighten
carburetor flange?
NO Damaged gaket. Replace
Is valve clearance Compression leakage through
Is alignment of timing
EOBPCOZW4