Mugen's engine's are specially developed 3.5cc Buggy engine which meets all actual off road drivers' requirements.

This is the Ninja JX21 B01 5 Port Port Off-Road Competition Buggy Engine from Mugen Seiki! This is a high performance 3.5cc Off-Road engine, using today's most advanced technology. The engine has been designed for maximum strength and highest specifications for serious and real racing. Fabricated from the finest materials available, it will insure less friction movement for higher speed and more economical fuel consumption.