Troubleshooting - Carson Dirt Attack GP Manuel D'instructions

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The engine fails to start
Problem
no ignition spark
spark plugs
Ignition coil
Ignition spark present
Compression and fuel feed is normal
normal fuel feed but too little compres-
sion
no fuel feed
Lack of power or not running smoothly
Ignition spark present
Compression normal, no misfires
overheating
other
Cause
1. Spark plug electrode is wet
2. Carbon deposits on the electrodes
3. Insulation defect through damage
4. Incorrect electrode gap
5. Burnt electrode
1. Defective ignition coil
2. Cable sheath damaged, cable loose
1. Too much fuel drawn in
2. Mixture too rich
3. Engine flooded
4. Air filter clogged
5. Wrong fuel mixture
1. Worn cylinder, piston or piston ring
2. Mixture escaping from cylinder and crank
shaft sealing ring
1. Air gap in choke intake
2. Blocked carburettor
3. Blocked fuel filter
1. Air is getting into the fuel line at joints
2. Air is getting into the intake or carburettor
joint
3. Water in fuel
4. Piston starting to seize
5. Exhaust clogged with soot
1. Mixture too lean
2. Cylinder cooling fins dusty
3. Inferior fuel quality
4. Carbonisation in combustion chamber
5. Spark plug electrode glowing red
1. Clogged oil filter
2. Load too heavy
Correction
Dry spark plug
Scrape off
Change
Set to 0.6-0.7 mm
Replace spark plug
Change
Change
Remove excess fuel
Adjust carburettor
Adjust or change carburettor
Wash out with a fuel-oil mix
Change for appropriate fuel
Change
Apply liquid sealant and reassemble
Clean
Clean
Change fuel filter
Make joints tighter
Change gasket / tighten screws
Change for appropriate fuel
Change piston (and cylinder if need be)
Clean
Adjust carburettor
Clean
Change for appropriate fuel
Clean
Clean, adjust electrode gap (0.6-0.7 mm)
Wash out with a fuel-oil mix
Reduce load
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