O.S. Engines FS-40S-CX - Manual (Page 29)

FS-40S-CX THREE VIEW DRAWING Dimension(mm)
Displacement
Bore
Stroke
Practical R.P.M.
Power output
Weight
Specification
17.5
38.9
42 49
50 UNF1/4-28 20
20
80.5
6.49cc (0.396cu.in.)
21.2mm (0.835in.)
18.4mm (0.724in.)
3,000 ~ 21,000r.p.m.
0.9bhp/17,500r.p.m.
407g (14.35oz.)
28