Engine Fuel System; Troubleshooting - Eton America Rascal IXL-40 Service Manual

4. ENGINE FUEL SYSTEM

4.1 TROUBLESHOOTING

Engine will not start
Engine idles roughly, stalls, or runs poorly
Lean mixture
Rich mixture
• No fuel in tank
• No fuel to cylinder
• Too much fuel into cylinder
• No spark at plug
• Air cleaner clogged
• Improper adjustment of the idle speed
screw
• Ignition malfunction
• Fuel/air mixture ratio no good
• Air cleaner dirty
• Insulator leaks
• Fuel tank cap breathing hole clogged
• Carburetor fuel jet clogged
• Fuel tank cap breathing hole
clogged
• Fuel filter clogged
• Fuel flows restricted
• Float level in carburetor too low
• Float needle valve in carburetor
faulty
• Float level too high
• Air duct in carburetor is clogged
• Air cleaner dirty
4-1