An exhaust system for a motorcycle provided with a multicylinder engine, includes an exhaust aggregating member (27) for unifying a pair of exhaust passages, through which an exhaust gas exhausted from the engine is transported to a muffler (25), so as to ...

The engine has two cylinders with a combustion chamber (14), and an air inlet unit (16) having a tube (20) with a valve. The cylinders have an exhaust unit (18) including a tube (22) with a valve, and a collection unit to collect exhaust gas. The collectio...

The exhaust manifold has a plate (4) for connecting it to the engine block (2) which is made from compressed, annealed metal powder. Individual exhaust pipes (10 -12) are welded into apertures (7 -9) in this and a channel for exhaust gas or secondary air r...