how to adj valves on O.S. 91 four stroke

by ty
(sc)

how do i adj valve clearance on a 91 fs o.s.

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how to adj valves on O.S. 91 four stroke

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See manual
by: Matt

Hello Ty,

The directions for adjusting the valve clearnce for an O.S. 91 four stroke start on page 17 of the below manual.

Manual for FS-70S II, FS-91S II, FS-91S II (P)

Matt

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