Low floor type motorcycle

Details Low floor type motorcycle Low floor type motorcycle

2006-09-19

2008-10-21

Kamen, Noah (Department: 3747)

Internal-combustion engines

Frame construction

Horizontal cylinder

C180S219000, C180S309000

Reexamination Certificate

active

07438040

ABSTRACT:
A motorcycle with a low floor is configured such that secondary vibration of an engine can be largely reduced and an increase in engine width can be suppressed. The motorcycle with a low floor includes step floors on which to put a rider's feet on left and right sides of a vehicle body frame. An engine is provided between the step floors. A plurality of exhaust pipes extend respectively from cylinders of the engine, the exhaust pipes being gathered at a gathering portion. The engine is an in-line 3-cylinder engine having cylinder portions inclined forwardly. The exhaust pipes extend downwards from the cylinder portions on the basis of each cylinder. The exhaust pipes are bundled and extend on the right side of the engine, in a position on the lower side of one of the step floors.

REFERENCES:
patent: 5568726 (1996-10-01), Yamada et al.
patent: 6019074 (2000-02-01), Otome
patent: 6761239 (2004-07-01), Kawamoto
patent: 2002/0027032 (2002-03-01), Tsutsumikoshi
patent: 11-99980 (1999-04-01), None
patent: 2002/79982 (2002-03-01), None

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