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Idle speed (low speed)
The engine stops at idle speed.
The stop screw for the throttle does not operate correctly.
Blocked fuel filter.
Blocked fuel hose.
Air in fuel pipes.
The needle valve is defective.
Defective heat insulation seal.
The lever arm of the needle valve is too high.
The lever arm of the needle valve does not operate correctly.
The needle valve spring is damaged.
The needle valve spring is not attached correctly.
The needle valve is worn.
Object in the needle valve groove.
High speed
Unsatisfactory performance at high speed.
Blocked fuel filter.
Blocked fuel hose.
Air in fuel pipes.
Incorrect/unsatisfactory fuel.
The needle valve is defective.
The carburetor is not attached correctly.
The lever arm of the needle valve is damaged.
The lever arm of the needle valve does not operate correctly.
The needle valve spring is damaged.
The needle valve spring is not attached correctly.
The needle valve is worn.
Object in the needle valve groove.
Increase and decrease speed
The engine does not increase speed.
Blocked fuel filter.
Blocked fuel hose.
Air in fuel pipes.
The needle valve is defective.
The carburetor is not attached correctly.
The lever arm of the needle valve is damaged.
The lever arm of the needle valve is too low.
The lever arm of the needle valve does not operate correctly.
The needle valve spring is not attached correctly.
Blocked needle valve.
44 - Troubleshooting
1291 - 001 - 27.09.2019
Содержание 333RB Mark II
Страница 1: ...Workshop manual 333RB Mark II English 1291 001 27 09 2019 ...
Страница 47: ...1291 001 27 09 2019 Technical data 47 ...
Страница 48: ...1141571 26 2019 09 30 ...