O.S. Engines 50SX - Manual (Page 41)

MAX - 61FX
43
61
UNF5/16-24
66.5 29.1
43
79
100.5
ш4.2
42
25 ш4.2
52
Displacement
Bore
Stroke
Practical R.P.M.
Power output
Weight 9.95 cc (0.607 cu.in.)
24.0mm (0.945 in.)
22.0mm (0.866 in.)
2,000
~
17,000 r.p.m.
1.9 bhp / 16,000 r.p.m.
550g (19.42 oz.)
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SPECIFICATIONS
Dimensions(mm)
40