Possible Problem Areas
♦
No Fuel in Fuel Tank
♦
Clogged Float Valve
♦
Clogged Fuel Tank Cap Breather Hose
♦
Clogged Fuel Line
♦
Faulty Spark Plug
♦
Fouled Spark Plug
♦
Faulty C.D.I. Unit
♦
Faulty Engine stop Switch
♦
Poor connection, Broken or Shorted Wire
♦
Broken or Shorted Ignition Coil
♦
Broken or Shorted Spark Plug Wire
♦
Faulty Pulse Generator
♦
Worn Cylinder
♦
Worn / Damaged piston Rings
♦
Damaged Piston
♦
Leaking Cylinder Head Gasket
♦
Auto Choke Off or Damaged
♦
Auto Choke Power Wire not connected
♦
Improperly Adjusted Air Screw
♦
Improper Ignition Timing Adjustment
♦
Fuel / Air mixture ratio is too lean
♦
Carburetor Flooded
♦
Improperly Adjusted Air Screw
♦
Fuel / Air mixture ration to rich
♦
Auto Choke stuck or damaged
♦
Air Cleaner Dirty
Test Cylinder Compression
Check Fuel Flow to Carburetor
Test Spark
Start Engine
Remove and Inspect Spark Plug
O.K.
O.K.
O.K.
Engine
does not
start
N/G
N/G
N/G
N/G
Weak or No
Spark
Low
Compression
Wet Plug
TROUBLE SHOOTING
12-1
12. TROUBLE SHOOTING
12.1 Engine does not start
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