TROUBLE
SHOOTING
PROBLEM
POSSIBLE CAUSES
CORRECTIVE
ACTION
Engine loses power.
1.
Oil level in crankcase is
low.
1.
Add
oil
to
crankcase.
2.
Cooling
fins
and air
pasages
under
2
Remove
obstruction
from
passages.
engine
blower
housing are plugged.
3.
Engine load is excessive.
3. Select a
lower
speed
to
reduce load.
4.
Air
cleaner is
dirty.
4. Clean air cleaner element.
5.
Dirt
or
water
is in fuel system.
5. Have machine serviced by
Authorised
Service Dealer.
6.
Carburettor
is adjusted
incorrectly.
6.
Adjust
the
carburettor.
7.
Spark plug is
pitted,
fou
led or defective
7. Install
new
correctly
gapped spark
in some
other
way.
plug.
Engine over heats.
1.
Cooling
fins and air
passages
under
1. Remove
obstruction
from
cooling
engine
blower
housing are plugged.
fins
and air
passages.
2.
Carburettor
is adjusted
incorrectly.
2.
Adjust
the
carburettor.
3. Oil level in crankcase is
low.
3.
Add
oil
to
crankcase.
4. Engine load is excessive.
4. Select a
lower
speed
to
reduce load.
Rider vibrates
abnormally.
1.
Engine
mounting
bolts
are loose.
1.
Tighten
engine
mounting
bolts.
2. Loose
cutter
pulley,
idler
pulley
or
2.
Tighten
the
appropriate
pulley.
drive
pulley.
3.
Cutter
assembly is unbalanced.
3.
Replace
broken
blades in sets.
4.
Cutter
assembly is loose.
4.
Tighten
securing
nut.
Cutter does
not
rotate.
1.
Cutter
drive
belt
is
worn,
loose
or
1.1
nstall
new
cutter
drive
belt.
broken.
2.
Cutter
drive
belt
is
off
pulley.
2. Install
cutter
drive
belt.
Rider does
not
drive.
1.
Drive
belt
is
worn,
loose
or
broken.
1. Install
new
drive
belt.
2.
Drive
belt
is
off
pulley.
2. Install
drive
belt.
3. Unable
to
select speed on transmission.
3. Have
machine
serviced by
Authorised
Service Dealer.
Engine does
not
start, starts
hard, loses power, or fails
to
keep running.
Engine does
not
idle or idles
poorly.
1. Fuel
tank
is
empty.
2.
Speed selected
3.
Cutter
Drive
is engaged.
4.
Spark plug is loose.
5.
High tension
wire
is loose
or
disconn-
ected
from
spark plug.
6.
Spark plug gap in
incorrect.
7.
Spark plug is
pitted,
fouled,
or
defective in some
other
way.
S.
Wrong spark plug used.
9.
Electrical
connections
are loose.
10.
Carburettor
is adjusted
incorrectly
11.
Air
cleaner is
dirty.
12
Vent
hole
in fuel
tank
is plugged.
13.
Dirt
or
water
in fuel system.
14.
Defective
ignition
coil
15.
Module
or
switch
is defective.
1.
Air
cleaner is
dirty.
2.
Oil level in crankcase is
low.
3.
Cooling
fins
and air
passages
under
engine
blower
housing are plugged.
4.
Idle speed is
too
low
or high speed.
5.
Dirt
or
water
is in fuel system.
6.
Vent
hole in fuel
tank
is plugged.
7.
Spark plug is
pitted,
fouled
or
defective
in some
other
way.
1.
Fill
fuel
tank
with
petrol.
2. Select
Neutral.
3.
Disengage
Cutter
Drive
4.
Tighten
plug.
5.
Install high tension
wire
on spark plug.
6.
Set gap between electrodes at
0.8mm
(.030")
7.
Install
new
correctly
gapped spark
plug.
8. Install
correct
spark plug.
9. Check electrical system
to
ensure
good
contact.
10.
Adjust
the
carburettor.
11.
Clean
the
air cleaner element.
12. Inspect and open vent.
13. Have machine serviced by
Authorised
Service Dealer.
1. Clean air cleaner
element
2.
Add
oil
to
crank case.
3.
Remove
obstruction
from
cooling
fins
and air
passages.
4.
Adjust
the
carburettor
5.
Have machine serviced
by
Authorised
Service Dealer.
6. Clean fuel
tank
vent.
7.
Install new
correctly
gapped
spark
plug.
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