JPS5629054A - Suction system for motor bicycle - Google Patents

Suction system for motor bicycle

Info

Publication number
JPS5629054A
JPS5629054A JP10445779A JP10445779A JPS5629054A JP S5629054 A JPS5629054 A JP S5629054A JP 10445779 A JP10445779 A JP 10445779A JP 10445779 A JP10445779 A JP 10445779A JP S5629054 A JPS5629054 A JP S5629054A
Authority
JP
Japan
Prior art keywords
cylinder
car body
rank
offset
cylinder group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP10445779A
Other languages
Japanese (ja)
Other versions
JPS6228038B2 (en
Inventor
Kazuhiko Nomura
Hiroshi Kimura
Yoshiharu Isaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP10445779A priority Critical patent/JPS5629054A/en
Publication of JPS5629054A publication Critical patent/JPS5629054A/en
Publication of JPS6228038B2 publication Critical patent/JPS6228038B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Cycles, And Cycles In General (AREA)

Abstract

PURPOSE: To make the laterally arranged width of an air intake path smaller by protruding the intake path of a cylinder at the outmost end on offset side for the body center of the rear-rank cylinder group and the front-rank cylinder group in a V-shaped engine into the inside of car body in a bent manner.
CONSTITUTION: In a 4-cylinder V-shaped engine for motor bicycle, a pair of cylinder groups consisting of two cylinders 10 are arranged in a v-shape in the direction of crank shaft provided along the lateral direction of car body. And, a front-rank cylinder group 11 and a rear-rank cylinder group 12 are mounted so that they are offset laterally equally against the center of the car body. In this case, intake ports 18a and 19b facing the cylinder 10 on the offset side for the car body center A of the front- and rear-rank cylinder groups 11 and 12, among air intake ports 18a, 18b, 19a, and 19b of each cylinder 10, are protruded in a bending manner into the inside of each car body. The bending amount of these ports 18a and 19b is equalized with the offset amount D of both the cylinder groups 11 and 12.
COPYRIGHT: (C)1981,JPO&Japio
JP10445779A 1979-08-16 1979-08-16 Suction system for motor bicycle Granted JPS5629054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10445779A JPS5629054A (en) 1979-08-16 1979-08-16 Suction system for motor bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10445779A JPS5629054A (en) 1979-08-16 1979-08-16 Suction system for motor bicycle

Publications (2)

Publication Number Publication Date
JPS5629054A true JPS5629054A (en) 1981-03-23
JPS6228038B2 JPS6228038B2 (en) 1987-06-18

Family

ID=14381129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10445779A Granted JPS5629054A (en) 1979-08-16 1979-08-16 Suction system for motor bicycle

Country Status (1)

Country Link
JP (1) JPS5629054A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844221A (en) * 1981-09-08 1983-03-15 Yamaha Motor Co Ltd Motorcycle with supercharger
JPS58156418A (en) * 1982-03-15 1983-09-17 Yamaha Motor Co Ltd Motorcycle
JPS58188720A (en) * 1982-04-30 1983-11-04 Yamaha Motor Co Ltd Motor cycle
JPS5923785A (en) * 1982-07-30 1984-02-07 ヤマハ発動機株式会社 Frame for motorcycle
JPS63141889A (en) * 1986-12-03 1988-06-14 ヤマハ発動機株式会社 Exhaust controller for car
JP2002264880A (en) * 2001-03-07 2002-09-18 Ozu Kikaku Kk Motorcycle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844221A (en) * 1981-09-08 1983-03-15 Yamaha Motor Co Ltd Motorcycle with supercharger
JPH0140209B2 (en) * 1981-09-08 1989-08-25 Yamaha Motor Co Ltd
JPS58156418A (en) * 1982-03-15 1983-09-17 Yamaha Motor Co Ltd Motorcycle
JPH0377112B2 (en) * 1982-03-15 1991-12-09 Yamaha Motor Co Ltd
JPS58188720A (en) * 1982-04-30 1983-11-04 Yamaha Motor Co Ltd Motor cycle
JPH0329635B2 (en) * 1982-04-30 1991-04-24
JPS5923785A (en) * 1982-07-30 1984-02-07 ヤマハ発動機株式会社 Frame for motorcycle
JPS63141889A (en) * 1986-12-03 1988-06-14 ヤマハ発動機株式会社 Exhaust controller for car
JP2002264880A (en) * 2001-03-07 2002-09-18 Ozu Kikaku Kk Motorcycle

Also Published As

Publication number Publication date
JPS6228038B2 (en) 1987-06-18

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