DLE 61 - Manual (Page 17)

17
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.