If Engine Overheats Causes of Problem

Remedy

• Incorrect spark plug make/model used

• Longer reach spark plug used

• Gasket missing

• Plug tightened insufficiently

• Worn out/aged spark plug

• Timing too much advance

• Low octane petrol used

• Air-fuel mixture too lean

• Lubrication system faulty

• Excessive carbon deposits

• Valves/Valve springs defective

• Compression ratio high

• Cylinder head gasket projecting into combustion chamber

• Excessive load due to binding brake

• Tyre under-inflated

• Slipping clutch

• Operation at high altitudes

• Overloading

• Use correct type

• Use correct reach plug

• Replace

• Retighten

• Replace

• Adjust

• Use good fuel

• Adjust carburetor

• Check and rectify cylinder head

• Decarbonise cylinder head

• Rectify/replace

• Correct

• Replace gasket

• Adjust brakes

• Inflate to correct pressure

• Adjust/replace clutch plates

• Avoid

• Avoid