Roto Start Overview:
HPI Roto Start 3. This is a replacement Roto Start system intended for HPI nitro engines with the rotor start starter. Package includes one Roto Start 2.
NOTE:
- Requires a 7.2V Stick battery pack
- Engine back plate is not included
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![HPI-87137 HPI Roto Start 2 System (Starter Unit) [87137] HPI](http://ultimatehobbies.com.au/cdn/shop/files/HPI-87137.png?v=1758062445&width=520)