Engine for R/C Boat
Model#	Dimension of engine
	[mm]
	A	B	C	D	E
60-IIIB Marine	52.0	20.0	43.0	56.0	M7 x 1.0
SS50 Ring Marine	42.5	18.0	33.8	50.0	UNF1/4-28
45-II Marine TV	43.0	16.0	33.5	49.0	M7 x 1.0
21CX Marine GM	37.0	16.0	29.0	44.0	UNF1/4-28
15-IV Marine TV	35.0	13.5	26.5	38.0	M6 x 1.0
09-IV Marine TV	34.0	12.3	23.5	32.0	M5 x 0.9