O.S. engine MAX-61SX-H RING WC Series Owner's Instruction Manual page 34

THREE VIEW DRAWING
61RX-H "WC"
RING
SPECIFICATIONS
9.95 cc ( 0.607 cu.in. )
Displacement
24.0mm ( 0.945 in. )
Bore
22.0mm ( 0.866 in. )
Stroke
Practical R.P.M. 2,000
Power output 2.2 bhp / 16,000 r.p.m.
597g(21.1oz.) RX-H
Weight
~
18,000 r.p.m.
UNF5/16-24
42.6
61
25
4- φ 4.2
88.7 28
33
30
2-M3.5
Dimensions(mm)