• Planes
  • Cars
  • Gliders
  • Helicopters
  • Boats
  • Radios
  • Batteries & Chargers
  • Equipment
  • SALE
Loading...
Loading...
Loading...
Loading...
Loading...

  • Ideal for trainers, sports planes and scale aircraft
  • Mounts in the same space as the 61FX ABL for easy drop-ins
  • The 65AX is 1.9 ounces lighter than the 61FX.
  • Newly designed 61D carburetor features an angled needle for safety.
  • Includes an E-4010A muffler, #8 glow plug & needle extension cable set.
  • Compatible with the ultra-quiet, ultra-compact E-4050 muffler.

Logo alt

Everything RC since 1975.

Proudly supporting Australia’s RC community for generations with expert advice, exceptional service and quality models from the world’s leading RC brands.

Loading...

© 2025 Modelflight RC. All Rights Reserved

Loading...
Loading...

OS Engines MAX 65AX .65 Nitro Aircraft Engine with E-4010A Silencer, OSM16521

SKU: OSM16521
Loading...
Loading...

Designed as a replacement for the long established Max 61FX, the new Max 65AX has all the features of the new AX series, such the same mounting bolt pattern and silencer bolt dimensions, making a direct replacement for most 61 class engines. The real bonus is more power and torque for the same basic external dimensions.

Categories
  • Shop All
  • Cars
  • Planes
  • Gliders
  • Helicopters
  • Boats
  • Radios
  • Batteries & Chargers
  • Equipment
  • Sale
  • Shop by Brand
About
  • Our Story
  • Retail Store
  • Blog
  • Contact Us
  • Opening Hours
Support
  • Warranty
  • Terms and Conditions
  • Delivery Information
  • Returns & Refunds
  • FAQs
  • Privacy Policy
  • Site Map
$379.99
Loading...
Loading...
Loading...
Loading...
Loading...
Loading...

OS Engines MAX 65AX .65 Nitro Aircraft Engine with E-4010A Silencer, OSM16521

SKU: OSM16521
$379.99
Loading...
Loading...

Designed as a replacement for the long established Max 61FX, the new Max 65AX has all the features of the new AX series, such the same mounting bolt pattern and silencer bolt dimensions, making a direct replacement for most 61 class engines. The real bonus is more power and torque for the same basic external dimensions.

In stock
Looking for spare parts or upgrades?

View all spare parts

Similar Products

Loading...
OS Engines Built Up Parts Set, MAX R21 V2
OS Engines Built Up Parts Set, MAX R21 V2$196.99
View product
OS Engines Needle 3 suit 21M Carbutetor
OS Engines Needle 3 suit 21M Carbutetor$16.99
View product
OS Engines Connecting Rod, R21
OS Engines Connecting Rod, R21$61.99
View product
OS Engines Built Up Parts Set, R2106
OS Engines Built Up Parts Set, R2106$263.99
View product
OS Engines 22E2B Complete Carburetor without Reducer
OS Engines 22E2B Complete Carburetor without Reducer$166.99
View product
OS Engines Built Up Parts Set, B2105
OS Engines Built Up Parts Set, B2105$242.99
View product
OS Engines Cylinder and Piston Assembly, B2105, Clearance
OS Engines Cylinder and Piston Assembly, B2105, Clearance$192.99 $102.00
View product
OS Engines Built Up Parts Set, MAX-B21
OS Engines Built Up Parts Set, MAX-B21$146.99
View product
OS Engines Inner Head Button, 12TG Version 5
OS Engines Inner Head Button, 12TG Version 5$36.99
View product
OS Engines Cylinder and Piston Assembly, R21 Euro 2
OS Engines Cylinder and Piston Assembly, R21 Euro 2$192.99
View product