TROUBLE SHOOTING
Possible Problem Areas
♦
Brake Dragging (Adjust brake Cable)
♦
Drive Chain too tight
♦
Worn or Damaged wheel Bearings
♦
Wheel bearings need Lubrication
♦
Punctured Tire
♦
Leaking Valve Stem
♦
Fuel / Air mixture ratio to lean
♦
Clogged Air Cleaner
♦
Clogged Muffler
♦
Restricted fuel flow
♦
Clogged Fuel Tank Cap Breather hose
♦
Faulty Pulse Generator
♦
Faulty C. D. I. Unit
♦
Leaking Head Gasket
♦
Worn Cylinder
♦
Worn or Damaged Piston
♦
Worn or Damaged Piston Rings
♦
Clean and Adjust Air and Fuel mixture
♦
Clean Spark Plug
♦
Incorrect Spark Plug Heat Range
♦
Excessive Carbon Deposits in combustion
chamber
♦
Wrong Fuel Type
♦
Fuel/Air mixture ratio to lean
♦
Used poor quality Fuel
♦
Worn Piston and Cylinder
♦
Fuel/Air mixture ratio to lean
♦
Wrong Fuel Type
♦
Ignition Timing to Advanced
♦
Excessive Carbon Deposits in Combustion
Chamber
Accelerate Lightly
Raise Wheels off of Ground and
turn by hand
Check Tire Pressure
Check Ignition Timing
O.K.
O.K.
O.K.
N/G
N/G
N/G
N/G
Engine speed
does not increase
Pressure Low
Does not spin
freely
Test Cylinder Compression
O.K.
N/G
Low
Pressure
Check Carburetor
O.K.
N/G
Dirty
Check Spark Plug
O.K.
N/G
Fouled or
Discolored
Accelerate to High Speed
O.K.
N/G
Check for Engine Overheating
O.K.
N/G
Overheating
12-4
12.4 LOSS OF POWER
www.Get2itParts.com
www.Get2itParts.com
www.Get2itParts.com