JPH035591U

JPH035591U -

Info

Publication number: JPH035591U
Application number: JP6449189U
Authority: JP
Priority date: 1989-06-03
Filing date: 1989-06-03
Publication date: 1991-01-21

Description

[Brief explanation of drawings]

第１図は従来のエンジン吸気通路の連通管構造
を図示した水平断面図、第２図は第１図の方向
要部拡大正面図、第３図は本考案に係るエンジン
吸気通路の連通管構造を備えた自動二輪車の一実
施例を図示した側面図、第４図はその要部拡大一
部切欠き側面図、第５図は第４図の−線に沿
う断面図、第６図は第４図の方向平面図である
。１……自動二輪車、２……フロントホイール、
３……リヤホイール、４……燃料タンク、５……
シート、６……ステアリングシヤフト、７……ヘ
ツドパイプ、８……ステイフナー、９……メイン
パイプ、１０……ダウンパイプ、１１……センタ
ーパイプ、１２……連結パイプ、１３……サイド
レール、１４……バツクステー、１５……リヤフ
オーク、１６……クツシヨン、１７……エンジン
、１８……ラジエータ、１９……冷却水パイプ、
２０……サーモスタツト、２１……エアクリーナ
、２２……エアクリーナケース、２３……連結部
、２４……エア吸入口、２５……カバー、２６…
…締結具、２７……エアクリーナエレメント、３
０……連通管、３１……流入口、３２……流出口
、３３……後方部分、３４……前方部分、４０…
…バンド、４１……エアチヤンバー、４２……バ
ンド、４３……接続管、４４……キヤブレータ。 Fig. 1 is a horizontal sectional view illustrating a conventional engine intake passage communication pipe structure, Fig. 2 is an enlarged front view of important parts in the direction of Fig. 1, and Fig. 3 is an engine intake passage communication pipe structure according to the present invention. FIG. 4 is an enlarged partially cutaway side view of the main parts, FIG. 5 is a sectional view taken along the line - in FIG. 4, and FIG. FIG. 4 is a directional plan view of FIG. 4; 1...Motorcycle, 2...Front wheel,
3... Rear wheel, 4... Fuel tank, 5...
Seat, 6... Steering shaft, 7... Head pipe, 8... Stiffener, 9... Main pipe, 10... Down pipe, 11... Center pipe, 12... Connection pipe, 13... Side rail, 14... Backstay, 15...Rear fork, 16...Cushion, 17...Engine, 18...Radiator, 19...Cooling water pipe,
20...Thermostat, 21...Air cleaner, 22...Air cleaner case, 23...Connection part, 24...Air suction port, 25...Cover, 26...
... Fastener, 27 ... Air cleaner element, 3
0... Communication pipe, 31... Inlet, 32... Outlet, 33... Rear part, 34... Front part, 40...
... band, 41 ... air chamber, 42 ... band, 43 ... connection pipe, 44 ... carburetor.

Claims

[Scope of utility model registration request]

In a motorcycle that has a communication pipe that communicates with an air cleaner and a plurality of carburetors arranged in the vehicle width direction in front of the air cleaner, and a main pipe that extends rearward from a head pipe that rotatably supports a steering shaft, the communication pipe is The rear portion is narrower than the front portion and is formed as a single pipe and connected to the air cleaner, and the wide front portion straddles the main pipe from left and right upper sides and is directed downward and communicates with the carburetor. A communicating pipe structure of an engine intake passage characterized by the following.