.31 Gas Engine (5.1cc) w/CDI by Dynamite

FREE Shipping Eligible!
Low Price: $279.99
This item is eligible for Super Saver Shipping Learn More
Please be aware that pricing and product availability in-store may vary from what’s available online because each store is independently owned and operated. When you shop at HobbyTown you’re supporting your local community.

This is the Dynamite .31 Gas Engine. Designed to deliver ballistic speeds with as little maintenance as possible, the Dynamite® .31 ci gasoline engine is in a league of its own as the only gasoline engine of its kind. The unrivaled convenience of gasoline fuel also means that as long as there's a pump nearby, you will seldom be far from a full tank. Includes Capacitor Discharge Ignition unit and flywheel.


  • 2-Cycle Gasoline Powered Engine - Provides excellent power and longer runtimes over nitro engines
  • Complete setup including the engine, CDI unit, wiring harness, flywheel and a 70ml bottle of Small Block 2-Cycle High-Performance Oil (treats 1/4 gallon)
  • Conventional Nitro Engine Size - Fits multiple existing vehicles that accept Nitro big block engines.

5.1cc (.31ci)
RPM: 29,500
HP: 2.2
Bore: 19.2mm
Stroke: 17.6mm

NOTE: Use only Dynamite Small Block Oil (DYNE4105 included).

This product was added to our catalog on May 5, 2015.