4-cycle engine for motorcycle

Details 4-cycle engine for motorcycle 4-cycle engine for motorcycle

2007-07-17

2007-07-17

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S292000, C060S293000, C060S304000, C123S0650PE, C123S585000

Reexamination Certificate

active

10732423

ABSTRACT:
A 4-cycle engine for a motorcycle has a secondary-air supplier for supplying secondary air to exhaust ducts. The engine includes a recess, which is depressed toward the engine, on a cylinder-head cover for holding a control valve of the secondary-air supplier. The recess and the control valve are positioned between two innermost cylinders of the array of the cylinders. Check valves, which are connected to downstream regions of the control valve, are each disposed between two outermost cylinders of the array of the cylinders.

REFERENCES:
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patent: 5657628 (1997-08-01), Takeuchi
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patent: 57-79212 (1982-05-01), None
patent: 2000-87739 (2000-03-01), None
patent: 2001-50044 (2001-02-01), None
Patent Abstracts of Japan for JP57-79212 published on May 18, 1982.
Patent Abstracts of Japan for JP2000-87739 published on Mar 28, 2000.
Patent Abstracts of Japan for JP2000-087739 published on Mar. 28, 2000.
“Motorcycle Service Manual” for Kawasaki Z1000, 2002 KAwasaki Heavy Industries, Ltd., Second Edition (2): Jun. 31, 2003 (K).

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