HPI Racing HPI160060 HPI Roto Start 2 System for Nitro Star F&G Series Engines

New Hrp Hpi Racing Roto Start 2 System For Nitro Star F/G Series Engine Start your vehicle quickly and easily with the Roto Start 2. To protect your engine the Roto Start 2 features a built in circuit breaker which cuts off in case of an overload (e.g. a flooded engine). This HPI Nitro Roto Start 2 system is for the F & G series engines that use a 14mm One-Way Bearing. The G3.0 engines #15105 & #101310 use a 12mm One-Way Bearing. For these engines change the bearing to #107829. Not Included: Requires a 7.2V NiMH stick battery pack for operation.