Exhaust system for motorcycle

Details Exhaust system for motorcycle Exhaust system for motorcycle

2006-10-02

2009-06-02

Dickson, Paul N (Department: 3611)

Motor vehicles

Special wheel base

Having only two wheels

C180S309000, C181S275000

Reexamination Certificate

active

07540347

ABSTRACT:
In an exhaust system for a motorcycle in which an engine main body of a multi-cylinder engine has an oil pan on a lower portion thereof, and is mounted on a vehicle body with a plurality of expansion chambers being connected to a downstream side of an assembled portion of a plurality of exhaust pipes that extend out of the respective cylinders of the engine main body, respectively. The muffler includes a first expansion chamber that is connected to the assembled portion and the other expansion chambers that are the assembled portion are disposed on one side of the oil pan. The first continuous to the first expansion chamber. The respective exhaust pipes and expansion chamber is disposed on the other side of the oil pan with the other expansion chambers being disposed to the rear of the engine main body.

REFERENCES:
patent: 4809800 (1989-03-01), Suzuki
patent: 5271477 (1993-12-01), Gekka et al.
patent: 6745863 (2004-06-01), Tsukui et al.
patent: 6832665 (2004-12-01), Crombeen
patent: 7290388 (2007-11-01), Kikuchi et al.
patent: 7325651 (2008-02-01), Kikuchi et al.
patent: 2002/0153187 (2002-10-01), Tsukui et al.
patent: 2004-26007 (2004-01-01), None
patent: 2004-345642 (2004-12-01), None

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