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Why does my 1984 nighthawk 650 motorcycle start and idle great but dies out when you give it gas to ride it?

Fuel system issues:

- Clogged fuel filter: A clogged fuel filter can restrict the flow of fuel to the engine, causing it to stall when you try to accelerate. Check the fuel filter and replace it if necessary.

- Dirty carburetor: A dirty carburetor can also cause fuel flow problems. Remove the carburetor and clean it thoroughly with carburetor cleaner.

- Vacuum leaks: Vacuum leaks can cause the engine to run lean and stall. Check all vacuum hoses for cracks or damage and replace them if necessary.

Electrical system issues:

- Weak battery: A weak battery can cause the engine to stall when you try to accelerate. Check the battery voltage and replace it if necessary.

- Faulty spark plugs: Faulty spark plugs can cause the engine to misfire and stall. Remove the spark plugs and check for damage or wear. Replace them if necessary.

- Bad ignition coil: A bad ignition coil can also cause the engine to stall. Check the ignition coil and replace it if necessary.

Mechanical issues:

- Clogged air filter: A clogged air filter can restrict airflow to the engine, causing it to stall. Check the air filter and replace it if necessary.

- Idle speed too low: If the idle speed is too low, the engine may stall when you try to accelerate. Adjust the idle speed according to the manufacturer's specifications.

- Valve clearances too tight: Tight valve clearances can cause the engine to run hot and stall. Check the valve clearances and adjust them if necessary.