Motor vehicles – Special wheel base – Having only two wheels
Patent
1987-06-19
1989-03-07
Mitchell, David M.
Motor vehicles
Special wheel base
Having only two wheels
60312, 180309, 181239, F01N 708
Patent
active
048098000
ABSTRACT:
A motorcycle embodying an improved exhaust device comprised of an expansion chamber that extends in part beneath the engine and transmission and which extends at least partially vertically upwardly adjacent to the transmission. A U-shaped inlet pipe delivers exhaust gases from the engine to the expansion chamber and a further expansion chamber is provided for discharging the exhaust gases to the atmosphere. Stainless steel, single thickness exhaust pipes deliver the exhaust gases from the engine exhaust ports to the expansion chamber.
REFERENCES:
patent: 3949829 (1976-04-01), Honda et al.
patent: 4359865 (1982-11-01), Nakao
patent: 4469189 (1984-09-01), Minami et al.
patent: 4487288 (1984-12-01), Watanabe
Beutler Ernest A.
Mitchell David M.
Yamaha Hatsudoki Kabushiki Kaisha
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