O.S. Engines: 21XZ-B/Speed, 65AX, and 25FX

Oct 28, 2010 No Comments by

New from O.S. Engines:

21XZ-B & 21XZ-B Speed

The 21XZ-B engines represent the next level in high-performance engine technology.

  • The 21XZ-B boasts improved fuel mileage, plus a long stroke for superior torque
  • A 21J2 three-needle carb includes a 7 mm restrictor
  • The 21XZ-B Speed has been tuned for championship-caliber performance, with a race-proven 3-port sleeve with special inner head
  • The included 21J2 (B) carb comes with 3 sizes of restrictors for fine-tuning control
  • Both engines feature a P3 glow plug for quick, easy starts in all weather conditions

OSMG2050 – 21XZ-B – $279.99
OSMG2051 – 21XZ-B Speed – $499.99

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  • Ideal for trainers, sport planes and scale aircraft
  • Drops in easily in the same mounting space as the 61FX ABL
  • Includes a newly designed 61D carburetor with angled needle, plus an E-4010A muffler, #8 glow plug and needle extension cable set

OSMG0558 – 65AX – $209.99



Back by popular demand and redesigned to be an ideal choice for combat aircraft!

OSMG0252 – 25FX – $129.99

All three engines will be available in early November.

Trevor “Chilly” Duncan
Online News Editor
Radio Control Car Action

Featured News, Nitro, Product News

About the author

Bringing you RC product news you can use on a daily basis as Car Action's Online News Editor. I have been heavily involved in RC since the late 90's, plus a diverse background that includes print and broadcast journalism, engineering, information technology, direct marketing, and even banking. Currently I enjoy racing 1/10 electric off-road, covering large race events, and spending time with my family when away from the track.
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