Honda F660 Manuel De L'utilisateur page 31

7. P.T.O. (Power Take Off) operation
The P.T.O. shaft is used for stationary work, hulling, spraying and
moving, etc.
When using the P.T.O. shaft, consult your servicing dealer.
Do not operate the tiller without the P.T.O. cover when the P.T.O. is
not used.
8. A.C. output (GE Type)
An alternating current (12V 50W) can be taken out of these terminals.
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P.T.O. SHAFT
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P.T.O. COVER