Boatbuilder's Handbook

Table of Contents:

Flotation

Appendix A

33 CFR Part 183, Table 4: Weight (Pounds) of Outboard Motor and Related Equipment for Various Boat Horsepower Ratings

Boat Horsepower Rating	Motor and Control Weight		Battery Weight		Full Portable Fuel Tank Weight	1+3+5
	Dry	Swamped	Dry	Submerged
Column No.	1	2	3	4	5	6
0.1 to 2.0	25	20	--	--	--	25
2.1 to 3.9	40	34	--	--	--	40
4.0 to 7.0	60	52	--	--	25	85
7.1 to 15.0	90	82	20	11	50	160
15.1 to 25.0	125	105	45	25	50	220
25.1 to 45.0	170	143	45	25	100	315
45.1 to 60.0	235	195	45	25	100	380
60.1 to 80.0	280	235	45	25	100	425
80.1 to 145.0	405	352	45	25	100	550
145.1 to 275.0	430	380	45	25	100	575
275.1 and up	605	538	45	25	100	750

Transoms Designed for Twin Motors

50.1 to 90.0	340	286	90	50	100	530
90.1 to 120.0	470	390	90	50	100	660
120.1 to 160.0	560	470	90	50	100	750
160.1 to 290.0	810	704	90	50	100	1000
290.1 to 550.0	860	760	90	50	100	1050
550.1 and up	1210	1076	90	50	100	1400