UMS 125cc Gas – 5 Cylinder Radial 4 Stroke Engine

(3 customer reviews)

$2,290.00

The UMS 5-125 is a very reliable radial engines which uses gas fuel. UMS has a ton of experience building radial engines. The design and construction are upper class leading to a outstanding realibility of these engines. They are easily servicebale. All critical parts are easily accesisble.

3 in stock (can be backordered)

SKU: UMS5-125 Category:

The UMS 5-125 is a very reliable radial engines which uses gas fuel. UMS has a ton of experience building radial engines. The design and construction are upper class leading to a outstanding realibility of these engines. They are easily servicebale. All critical parts are easily accesisble.

 

Key Features

  • 5 cylinder radial configuration absolutely stunning looks and realism
  • 125cc displacement perfect for scale project
  • Comes complete with exhaust collector ring,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

Specifications

UMS Gas Radial Engine Manual

Standard Metric
Type 4-Stroke Petrol SPARK IGNITION
CYLINDER 5 (ABC TYPE) 5 (ABC TYPE)
CAPACITY (CU. IN) 7.6 125CC
Bore 1.22″ 31MM
Stroke 1.29″ 33MM
Thrust* 33lbf @ 26×10 Menz prop 15kgf @ 26×10 Menz prop.
Power (HP) 8 8
Rotation (RPM) 1000 – 6000 1000 – 6000
Weight 8.6lbs 3.05kg incl.(silencer )
Engine Diameter 10.4″ 265MM
Engine Length 6.5″ 166MM
Propeller** 26×8, 26*10 26×8, 26*10
Muffler Type Collector Ring Collector Ring
Plug Type CM-6 RcExl CM-6 RcExl
Carburetor WALBRO WT-621 WALBRO WT-621

 

5-125CC 5CYLINDER  TECHNICAL SPECIFICATION

 

Reviews (3)

3 reviews for UMS 125cc Gas – 5 Cylinder Radial 4 Stroke Engine

  1. Kelly Conway (verified owner)

    I just received this engine from Adrian at ch so far i am very impressed wit the engine starts easy and runs well, the sound is incredible Adrian has been very helpful with all my novice questions

  2. Larry

    The engine is of high quite , And I am impressed with it.

  3. Larry

    The engine is of high quality , And I am impressed. It would be nice if it had a parts breakdown, with a parts list so parts cod be ordered.

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