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Problem
1. Engine stops at full throttle.
2. Engine hesitates when accelerated rapidly.
3. The engine will not come up to full rpm at full throttle.
Solution
The high-speed needle valve “H” is too lean. Open it 1/8 of a turn
and try again.
Problem
1. The engine does not reach full rpm.
2. Carbon build-ups appear consistently on your spark plug.
Solution
The high-speed needle valve “H” is too rich. Close it 1/8 turn and
try again.
