A modification package designed to increase the engine’s displacement in the Honda CT90 motorcycle. It typically includes a larger cylinder, piston, and sometimes associated components, to enhance the engine’s capability. For instance, a stock CT90 engine might be upgraded from its original 89cc to a larger displacement, thereby altering its performance characteristics.
The implementation of this type of engine modification provides several advantages. It can result in increased power and torque, leading to improved acceleration and hill-climbing ability. Historically, these modifications have been popular among CT90 enthusiasts seeking to overcome the limitations of the original engine, particularly for off-road use or carrying heavier loads. This upgrade offers a method to revitalize older machines and tailor them to specific performance requirements.
