To suppress excessive bow-up increase stability during navigation and steering property and simplify a steering transmission system.
An outboard motor 3 is provided in a rear part of a front half part of a hull 2 of a small pleasure boat 1 as a small boat, and the center of gravity G of all weight is set at substantially center in the direction of the hull length. A front water immersion part 14 which is immersed below a stop water level 4 is formed in the front part of the hull, and a rear water immersion part 16 (it is divided into a rear water immersion part on the left and a rear water immersion part on the right) which is immersed below the stop water level 4 and a high speed navigation water level 5 is formed in a rear part of the hull. A bottom part at the center in the direction of the length of the hull is recessed and is higher than the stop water level 4 to constitute the outboard motor 3 in such a manner that it can tilt. High speed navigation and turn navigation become possible in a proper bow-up condition while a driver is seated on a seat 8 and is operating an operation rod 7.
KATAYAMA KAZUO
KIZAKI TOSHIRO
TAKEDA KEISUKE
ARAKOE KEIJI
HARADA MASAMITSU
MATSUO KENJI
SHIRAO SHIN
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