UMS 75cc Gas  5 Cylinder Radial 4 Stroke Engine

UMS 75cc Gas 5 Cylinder Radial 4 Stroke Engine

UMS 9-115cc Gas - 9 Cylinder Radial 4 Stroke Engine

UMS 9-115cc Gas - 9 Cylinder Radial 4 Stroke Engine

UMS 7-90cc Gas - 7 Cylinder Radial 4 Stroke Engine

The UMS 7-90 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.

$2,190.00
In stock
Only 1 left
SKU
UMS7-90

The UMS 7-90 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 90cc 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

specification1

 

specification2

TYPE SPARK IGNITION
CYLINDER 7 (ABC TYPE)
CAPACITY 90CC
BORE 25.1MM
STROKE 26MM
POWER 6 HP
RPM RANGE 1000-6000
WEIGHT 3300g incl.(ignition coil & silencer)
ENGINE DIAMETER 230 MM
ENGINE LENGTH 170MM
PROPELLER RECOMMENDED  
MUFFLER TYPE COLLECTOR RING
PLUG TYPE 1/4-32 RcExl
CARBURETOR WALBRO-621

 

7-90CC 7CYLINDER  TECHNICAL SPECIFICATION

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You're reviewing:UMS 7-90cc Gas - 7 Cylinder Radial 4 Stroke Engine