O.S. Tappet Screw F40-300

Tower Stock# OSMG8988  •  Manufacturer Stock# 45061202
Notes from our tech department:
This is a replacement set for most OS 4-cycle engines. Some people refer to
them as valve adjusting screws. This set contains 1 screw and 1 nut, but since
these engines require 2 screws, you may need to purchase 2 sets.

NMH 7-21-92
Updated JBM 12-28-05

This fits the FS-40, FS-61, FS-70, FS-90, FS120,



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