Engine is difficult to start

Check for one or more of the following possible malfunction’s
 

• Fouled spark plug(s)
• Improperly adjusted choke
• Intake manifold air leak
• Contaminated fuel system
• Improperly adjusted carburetor
• Weak ignition unit
• Weak ignition coil(s)
• Poor compression
• Timing advance weight sticking in advanced position. (1959-1979
• Engine and transmission oil to heavy