Troubleshooting - MTD SX800 Owner's Manual

8. TROUBLESHOOTING

ENGINE WILL NOT
START
1. Choke
Equipped
Engine
2. Primer
Equipped
Engine
3. Check fuel
4. Remove
inspect spark
plug
5. Take engine to
an authorised
servicing
dealer
ENGINE LACKS
POWER
1. Check air filter
2. Check fuel
3. Take engine to
an authorized
servicing dealer
ENGINE
OPERATES
ERRATICALLY
1. Check spark plug
2. Check air cleaner
Possible Cause
Throttle Lever
position
Incorrect use of Primer Bulb
Out of fuel
Bad fuel; engine
without treating or draining
fuel, or refuelled with bad fuel
Spark plug faulty, fouled, or
and improperly gapped
Spark plug wet
(flooded engine)
Fuel filter clogged, carburettor
malfunction, ignition
malfunction, valve stuck, etc
Possible Cause
Filter element(s) clogged
Out of fuel
Bad fuel; engine
without treating or draining
fuel, or refuelled with bad fuel
Fuel filter clogged, carburettor
malfunction,
malfunction, valve stuck, etc
Possible Cause
Spark plug is defective
Spark plug gap is incorrect
Air cleaner element is dirty
in wrong
Move Throttle Lever to the
choke/start
engine is warm. (page 7)
Push Primer Bulb firmly 3
times. (page 7)
Refuel (page 11)
stored Drain
carburettor. Refuel with fresh
fuel. (page 15)
Gap, or replace spark plug.
(page 13)
Dry and reinstall spark plug.
with fuel
Start engine with control lever
in RUN position
Replace
components as necessary
Clean
element(s). (page 11,12,13)
Refuel (page 11)
stored Drain
carburettor. Refuel with fresh
fuel. (page 15)
Replace
ignition
components as necessary
Install new, correctly gapped
plug
Set gap (page 13)
Clean air cleaner element
. (page 11,12,13)
17
TROUBLESHOOTING
Correction
position unless
fuel tank and
or repair faulty
Correction
or replace filter
fuel tank and
or repair faulty
Correction