Watercraft component layout

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas


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114270, B63H 2132




A personal watercraft includes a component arrangement which reduces heat exposure to many critical, heat-sensitive components of the watercraft. The personal watercraft includes a calalyzer within an exhaust system to treat engine exhaust before discharge. The catalyzer operates at a high temperature. Heat-sensitive components of the engine, such as, for example, fuel and coolant supply lines and electrical and mechanical cables, are positioned on a side of a longitudinal center line of the watercraft opposite of the catalyzer. This arrangement reduces the degree of heat exposure experienced by these engine components to improve their function and durability.

patent: 4228760 (1980-10-01), Kulischenko
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patent: 4964821 (1990-10-01), Tafoya
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patent: 5366401 (1994-11-01), Nanami et al.
patent: 5401197 (1995-03-01), Kobayashi
patent: 5406904 (1995-04-01), Kobayashi
Honda Owner's Manual for CBR1000F, 1991.


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