Troubleshooting the fuel and exhaust systems

Excessive fuel consumption

• Air filter element dirty or clogged (Section 1)
• Carburetor worn or incorrectly adjusted (Section 4)
• Choke cable adjusted incorrectly or damper stuck (Section 4)
• Wrong ignition timing (Section 1)
• Tire pressure not enough (Section 1)

Fuel leak and/or fuel smell

• Damaged or corroded fuel tank, pipes or connections (Section 1)
• Carburetor float chamber overflow (Section 4)

Excessive noise or fumes from the exhaust system

• Exhaust system or manifold connections are leaking gas (Section 1)
• Leaky, corroded or damaged mufflers or exhaust pipe (Section 1)
• Damaged fasteners allowing the system to come into contact with the body or suspension (Section 1)