UMS 140cc Gas Twin Cylinder Engine

The UMS TWIN BOXER 140cc it is a very reliable engine, machined with a very high precision.

Key Features

• 2 Cylinder in BOXER configuration absolutely stunning looks and realism
• 140 cc displacement perfect for scale project
• Comes complete with exhaust muffler ,spark plugs,electronic ignition, and engine mount ready to run
• 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 87-110octane gasoline with 32:1 gas/oil mixture
  
  

  TBD  Manual

  	Standard	Metric
  Type	4-Stroke Petrol	SPARK IGNITION
  CYLINDER	2(ABC TYPE)	2 (ABC TYPE)
  CAPACITY (CU. IN)	8.54	140 CC
  Bore	1.96″	50 MM
  Stroke	1.43″	37 MM
  Thrust*	37.50lbf , 30×10 SEP  prop	37.50lbf , 30×10 SEP  prop
  Power (HP)	9.3	9.3
  Rotation (RPM)	1000 – 5500	1000 – 5500
  Weight	9.92 lbs	4.5 kg incl.(silencer )
  Engine Width	11.55″	293.6 MM
  Engine Length	9.07″	230.5 MM
  Propeller**	28 x 10  –  30 x 10 SEP	28 x 10  –  30 x 10 SEP
  Muffler Type	Collector	Collector
  Plug Type	CM-6 RcExl	CM-6 RcExl
  Carburetor	WALBRO WT-225	WALBRO WT-225