O.S. Engines 25XZ - Manual (Page 21)

40
Displacement
Bore
Stroke
Practical R.P.M.
Power output
Weight
THREE VIEW DRAWING
Dimensions (mm)
4.09cc (0.25cu.in.)
17.5mm (0.689in.)
17.0mm (0.6691in.)
4,000-39,000 r.p.m.
3.1ps / 33,000 r.p.m.
370g (13.05oz.)
21
37
31.6
45
29.5 44 21.6
28.5
15.6
UNF1/4-28
93.2
4- 3.3
C Copyright 2009 by O.S.Engines Mfg. Co., Ltd. All rights reserved. Printed in Japan. 60092280 031001
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