HPI Roto Start 2 System (For Nitro Star F/G Series Engine w/pullstart)
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
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