TH90729A - Motorcycle exhaust structure - Google Patents

Abstract

DC60 (11/11/56) to place the muffler in the front area to make the muffler suitable for Motorcycles are used off-road. Down-frame 5, which protrudes downward from the front header pipe 2 of the engine 7 and the bottom frame 6, which is connected to the lower end of the frame. Underneath the engine 7 will be provided. A muffler 21 has been provided in the immediate vicinity of the fitting. Between the bottom frame 5 and the bottom frame 6, where the rear surface of the muffler is It is curved forward in a convex shape along the bottom frame 5 and the bottom frame 6, the exhaust pipe 20, which extends from the cylinder head 11, is almost S-shaped when viewed from the side and The forward 40 arc and the backward arc 41 of the pipe are arranged vertically, with the bottom end of the tube connected to the bottom portion of the muffler 21 in the muffler arrangement. In the front area to make the pot suitable for Motorcycles are used off-road. Down-frame 5, which stands obliquely downward from the front header pipe 2 of the engine 7 and the bottom frame 6, which is connected by the lower end of the frame. Underneath the engine 7 will be provided. A muffler 21 has been provided in the immediate vicinity of the fitting. Between the bottom frame 5 and the bottom frame 6, where the rear surface of the muffler is It is curved forward in a convex pattern along the bottom frame 5 and the bottom frame 6, the exhaust pipe 20, which stands from the cylinder head 11, is almost S-shaped when viewed from the side and The forward 40 and the forward bend section 41 of the pipe are arranged vertically by the lower end of the pipe, which is connected by the bottom portion of the muffler 21.

Claims (5)

Disclaimers (all) that will not appear on the advertisement page: 1. A motorcycle with an exhaust-side structure where the chassis (1) of the motorcycle is assembled. It is included with the header tube (2) which supports the front wheel (24) and supports the engine (7). Where engine (7) includes the crankcase (9), cylinder (8) which extends upward from the crankcase (9), where the exhaust pipe (20) extends from the upper front of the cylinder (8). And including the arc To the front above (40) and is connected to the muffler (21), and Where the muffler (21) is arranged in front of the crankcase (9) and behind the front wheel (24) with the front support (23) in the recoil position of the support and Above The lower end (R) of the chassis (1), with the characteristics that The exhaust pipe (20) includes an arch towards the lower back (41), which is connected to the side. Below behind the bottom checkpoints (21), where the arc goes forward, above (40), and the arc goes. The lower back (41) gets an S (S) formation when viewed from the side. Of motorcycles 2. The exhaust structure of the motorcycle according to claim 1, where the body frame will have Front frame, which extends downward from the header tube and downward from the front of the engine. And the back surface of the muffler has been made a curved line along the front frame. 3. Exhaust structure of motorcycles according to claim No. 1, where the front fenders are tall It has been arranged on top of the front wheel and the muffler is arranged underneath the rear end of the front fender. 4. The exhaust structure of the motorcycle according to claim 1, where the exhaust has been Connected by the front, the top of the cylinder and the exhaust pipe, composed of sections in a curved way towards The front above and in the curvature to the bottom, and in the curvature to the back It has been connected by the bottom part of the rear of the muffler. 5. The exhaust structure of the motorcycle according to claim 1, where the exhaust has been It is connected by the front, the top of the cylinder and the exhaust pipe consists of a section in a lateral bend. Which extends downward while curving over one side of the vehicle body and the horizontal overhang that extends from the lower end of the section in a forward lateral curve state of The crankcase in the transverse direction of the body and the bending is performed in opposite directions, and the waste inner end of the protruding along the level is connected by the inside of the muffler.