UMS 50cc Gas / Petrol 7 Cylinder Radial 4 Stroke Engine

CAD$2,409.75 CAD$2,295.00
SKU #:
UMS7-50
Special Order
UMS 50cc Gas / Petrol 7 Cylinder Radial 4 Stroke Engine is available to buy in increments of 1

The UMS 7-50 is a very reliable radial engines which uses gas 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.

  • 7-cylinder radial configuration—absolutely stunning looks and realism
  • 4-stroke
  • Midsize 50cc 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

Technical information 

  • Cylinder:                   7 
  • Cylinder capacity:     50cc
  • Bore:                         20.2mm
  • Stroke:                      22mm
  • Power:                      5kg of thrust
  • RPM Range:            1200-6000
  • Weight:                     2.54Kg incl.(ignition coil and silencer)
  • Width:                       195mm
  • Lenght:                     135mm
  • Propeller:                  21 x 10 1000 - 5900 RPM 2 Blade Menz's
  • Propeller:                  22 x 8   1000 - 5600 RPM 2 Blade Menz's
  • Propeller:                  20 x 8     900 - 5100 RPM 3 Blade Biela
  • Muffler type:              Collector Ring
  • Plug type:                  1/4-32 RCEXL
  • Carburetor:                UMS Carburetor
  • Petrol/Oil Mix:           1:32 2 stroke oil
Special Order
More Information
Manufacturer UMS
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