The UMS TWIN BOXER 140cc it is a very reliable engine, machined with a very hi 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
Specifications
2-140CC SIZE
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 |
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