6-1
ENGINE
TRBL
TROUBLE SHOOTING
ENGINE
ENGINE DOES NOT START
Check that the oil warn-
ing light turns ON by
pulling the starter rope.
LIGHT ON
DOSE NOT
LIGHT ON
Check engine oil level.
SUFFI-
INSUFFI-
CIENT
CIENT
Check fuel level.
SUFFI-
INSUFFI-
CIENT
CIENT
Check fuel cock lever
position.
“ON”
“OFF”
Check if fuel flows to fuel
cock.
GOOD
NO GOOD
Check connections between oil warning unit
and oil level switch.
GOOD
NO GOOD
Check if fuel is deteriorated.
GOOD
NO GOOD
Replace oil
warning
light, oil
warning
unit, or oil
level
switch.
Add.
Add.
Replace.
Set to
“ON”.
Clean or
replace
fuel cock
Replace
the fuel
TCI unit.
Clean or
replace.
Remove spark plug,
attach it to spark plug
cap, and then ground the
spark plug to check for
spark.
GOOD
WEAK OR
SPARK
NO SPARK
9
Check spark plug for dirt and check spark
plug gap.
9
Check for voltage leakage due to faulty con-
nection or broken insulation of the high ten-
sion cord.
9
Check TCI unit connector for corrosion or
faulty connection.
9
Check the ignition system. Refer to “IGNI-
TION SYSTEM” in CHAPTER 5.
GOOD
NO GOOD
*
Install a substitute TCI unit to check spark con-
ditions.
GOOD
NO GOOD
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