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Including unique BigPlanes Starter or Maintenance package. 

UMS 2-Cylinder 200cc 4-stroke Boxer Gas Engine Including muffler.

 Output Power  



 32x14 - 33x14


 5700g (incl.muffler)  

  Delivery includes: CM-6 spark plugs, ignition and ringmuffler.

  Including our unique BigPlanes STARTER or Maintenance package.

  STARTER Package consists of:

  • Torque wrench (to limit the force of tightening the spark plug)
  • L-shape wrench
  • Hex screw socket wrench for spark plug
  • spare CM-6 spark plug
  • 17-blade metric feeler gauge (0.02 - 1mm) for valve and spark plug setting
  • Fuel line

   MAINTENANCE Package (Voucher) consists of:

  • Overall inspection of engine
  • Measurement and check of cylinder pressure
  • Measurement and check of ignition, wires and sensor
  • Measurement and correction of valve settings
  • Test run including
  • Thermal image and temperature check of running engine 

The maintenance voucher can be used the first time maintenance is required.

Technical  Specification:  
 Displacement                   (Cylinder Inhoud)  200  ccm                   

 Output Power                           (Vermogen) 



 Static Thrust    kg
 Speed Range                             (Toerental)  1000 - 4600  rpm (omw/min)    
 Propeller  32x14 - 33x14    inch 
 Ignition power supply (Spanning ontsteking)  6 - 9.6  Volt
 Spinner mount thread  M  mm 
 Crankshaft diameter    mm 
 Gas/Oil mix ratio     (Brandstof verhouding)  30 : 1  gas : oil
 Engine                     (including muffler)    gram
 Muffler  -  gram 
 Ignition    gram 
 User Manual         (Gebruikers Handleiding)  User Manual
 Approx. Fuel Flow  cc/min (full throttle)
 Link to manufacturer  
 Spare Parts


Spark plugs are of type: CM-6

2-Cylinder 200cc 4-Stroke Gas / Petrol Radial Engine

The UMS 2 Cyl 200cc is a new boxer engine which uses gas fuel. UMS has a lot of experience building large 4-stroke 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.

Key Features

  • 2-cylinder boxer configuration—absolutely stunning looks and realism
  • 4-stroke
  • Midsize 200cc displacement
  • Comes complete with exhaust —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
  • Burns gas/petrol fuel


The UMS-2-200cc 4-stroke boxer gas engine from UMS is especially developped for scale models. 

Engine dimensions:

Width: : 354 mm, Length: 229mm

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