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UMS 125cc Gas – 5 Cylinder Radial 4 Stroke Engine

(1 customer review)
Availability:

Available on backorder


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.

$2,239.00

Available on backorder

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
SKU: UMS5-125 Categories: ,
Weight 14.1 lbs

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

 

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  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

    Kelly Conway