Roto Start System - For Hobao Hyper 21/28 Engines

Roto Start System - For Hobao Hyper 21/28 Engines BRAND: FASTRAX PART NUMBER: FT02623H Fastrax Roto Start (with Hyper 21 Plate) Start your nitro R/C engine effortlessly using this new Roto Start with powerful 550 motor. Insert the 6mm shaft with hexball tip into the new Torque-Slip design backplate receptacle to start your engine. The torque slip back platefeatures a specially design 'slip' unit to avoid possible damage should the engine lock up. Please Note: This item is not compatible with the new HoBao Cops design of pull-start engines. Tech Note: Starting any engine should be done in short, sharp bursts. These are NOT designed to be "held on" for more than 15+ seconds at a time - doing so will cause heat build up and gear damage.