UMS radial-engine, 5 cylinder 125ccm, gas

€2,089.00 * €2,199.00 * (5% Saved)

Prices incl. VAT plus shipping costs

Delivery time on request

  • 41013
The UMS 5-125 is a very reliable radial engines which uses gasoline as fuel. UMS has a ton of... more

The UMS 5-125 is a very reliable radial engines which uses gasoline as fuel. UMS has a ton of experience building radial engines. It has brought more than 2000 engines to market so far. The design and construction are upper class leading to a outstanding realibility of these engines. They are easily servicebale. All critical parts are easily accessible.

In addition we at Tomahawk Aviation offer a full after sales service support for these engines here in Europe, fast, competent and reliable. 

Key features

  • 5-cylinder radial configuration—absolutely stunning looks and realism
  • 4-stroke
  • Midsize 125cc displacement
  • Comes complete with exhaust collector ring and electronic ignition —one-box purchase for a ready-to-mount-and-run engine
  • User-friendly choke and throttle bellcranks included—makes installation and operation easy
  • Made from aluminum or bar stock where appropriate and CNC-machined—accurate and repeatable specifications each and every time
  • Cylinder head and crankcases produced from aircraft grade alloys
  • Heavy-duty double bearing crankshaft
  • Billet aluminum pistons and hardened steel rings
  • Hard-chromed and lapped cylinder bores
  • Hardened steel cams
  • Burns gasoline fuel
All technical information at a glance: more
Zylinder: 5
Cylinder type: ABC
Carburetor: WT 621
Cylinder capacity: 125 ccm
Bore: 31 mm
Stroke: 33 mm
Power: 14 kgf Schub/thrust
Rotation (RPM): 1000-6000
Lenght: 166 mm
Width: 265 mm
Hight: 265 mm
Weight: 3,05 Kg
Propeller: 26 x 10
Muffler type: collector ring incl.
Ignition: electric , 2S LiPo direct
Plug type: CM-6
Fuel: petrol/oil mix