Sears Super 12 - Trouble Shooting Guide; Hard to Start Issues; Engine Overheating Problems; Engine Lacks Power Causes

TROUBLE SHOOTING
HARD TO START
No gasoline in fuel tonk or carburetor Fill fuel tonk: open fuel shut off vo I ve. Check
fuel
I
ine, fuel str ainer and carburetor. Remove
Fuel stra ine r, or fuel I ine clogged.
fuel strainer and clean . Clean fuel
I
ine and
carburetor .
Water in
go sol ine or old fuel . Drain fuel from tonk and carb uretor.
Refill
with fresh clean gosol in e. Remove and dry
Spark plug wire off at spark plug.
spark plug and reset plug gop. Replace wire
on
spark
plug .
Spark plug dirty Remove plug, clean and reset plug gop, see
engine manu
al or
ins ta ll new spark plug.
Improperly
choked, not fully choked or flooded
Check choke,
if not fully choking refer to
engine .
Dirty carburetor air filter
Carburetor out of adjustment
Ignit ion switch off
Poor ignition
Dirty starter, air screen
Check oi I I eve I in crankcase .
Leon Mixture
Engine overloaded
D1rty carburetor or air cleaner.
Improper ca rburetor odj ustment
Faul ty ingi tion
Poor compression
Belt sl ips
30.10.67
engine
manual. Flooded
eng 1ne, push in
choke, open throttle
clear out gas.
and crank
engine to
Remove o ir
filter and top to remove dust and
dirt, clean with compressed air. Install new air
cl eaner once eclch year. Check carburetor ad-
justment, see engine manual. Turn on ignition
key.
Check points, condenser plug, co il
or loose
wires.
ENGINE OVER HE ATS
Clean screen over starter . Be sure f ins on cyl-
inder head and around cylind er ore clean .
F
ill to level indicated on dip stick.
Do not over fi II engine .
Correct carburetor adjustment.
See engine manual.
EN G INE LAC KS POWER
Shift to o lower gear or reduce load.
Clean or replace air cleaner. Adjust carburetor
see
Engine Manua l.
Check points, spark
p lug, condenser,
coil
and for I oose
wires. Contact Sears to check
compression.
Tighten drive belt.
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