Patent Number: 6,254,442

Title: Watercraft propulsion system

Abstract: Several embodiments of personal watercraft having very compact construction, in particularly embodying a compact propulsion system wherein the engine and a number of its accessories all define a very compact area. A balance shaft is driven by the engine crankshaft for reducing the transmission of vibrations to the watercraft riders.

Inventors: Suzuki; Akitaka (Iwata, JP)

Assignee: Yamaha Hatsudoki Kabushiki Kaisha

International Classification: B63B 35/73 (20060101); B63H 21/00 (20060101); B63H 21/30 (20060101); B63H 011/00 ()

Expiration Date: 07/03/2018