Mono-cylinder engines 1B20/27/30/40/50 (V) The Challenger

• small, light-weight, for universal application
• air-cooled with flywheel blower fan
• forced-feed circulating lubrication.
• single-cam system (SCS)
• Recoil- and/or electric start 12 V and 24 V
• V-design: vertical crank shaft engine
• 1B40 engine type with additional counter balance system.