X-Act Performance .21 Sportive Marine Nitro Engine w/Pull Start Standard Plug

X-Act Performance
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This is the X-Act Performance .21 Sportive Marine 3-Port Nitro Engine with Pull Start. The XAct 21 MARINE Sportive Pull Start offers a great value engine package, using materials and components that offer an engine that punches far above its price point. The included pull start offers easy and reliable starting method, a great up grade for most RTR boats using a .21 and those looking to make a start on the race calendar.

The Sportive .21 uses a 3 port liner to offer high performance and used a high quality 2 needle (+ idle) race carburetor for easy tuning and high performance. Using industry standard mounting points and OS Style threaded crank this is a drop in replacement in pretty much any .21 class boat. The standard head button requires a standard plug, for ease of tuning we recommend a hot plug is used.


  • 3 Port ABC Piston and Liner for high power output
  • Double bushed “PRO” Con Rod
  • Standard Head Button
  • German manufactured O rings for long life
  • High quality 2 needle carburetor with thermal heat shield for consistent tuning
  • Black treated crankcase with high quality bearings and laser etched logo
  • Water cooled marine head
  • Supplied with Marine flywheel and collet
  • Pre shimmed for 20-25% nitro

Each engine is hand assembled in Europe and each component is inspected during this process to ensure high quality and long life.

This product was added to our catalog on January 16, 2015.