1991-11-01

2-Cycle Engine Exhaust Control Device 911228

Motorcycles, as an international market product, must satisfy increasingly diverse user needs. These demands lead to various improvements being added and new systems and mechanisms being developed in an effort to arrive at an ideal product concept. Since the two-cycle engine offers particular advantages in combining light weight and compact size with a high output level, attention is focused on this type of engine for use in motorcross bikes and compact sports models. One drawback of the two-cycle engine, however, is that the output characteristic is sharply divided into low-speed and high-speed types. In order to overcome this disadvantage, motorcycle manufacturers are developing exhaust devices which will boost low-speed torque without sacrificing high-speed output. This presentation will describe some of the development and applications concerning exhaust devices already underway at Suzuki.

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