image from http://zenoah.net
The Zenoah G25N14 is a 2-stroke engine produced by Zenoah.
Technical Specifications[]
- Displacement: 25.4cc
- Piston Rings: 2
- Compression: 9.3:1
- Transfer Ports: 2
- Reed: Yes
- Carburetor: Walbro WYA-5A
- Stock Carb Settings: Stock
- Oil Mixture: 50:1
- Horsepower: 1.5
- Net Power: 1.7 hp
- Rotation (output side): counter-clockwise
- Clutch Diameter: 54mm
- Ignition System: Magneto
- Idle RPM: 4250
- Max RPM: 12500
- EPA Compliant: Yes
- C.A.R.B. Compliant: Yes
- Fuel Type: Regular unleaded
Availability[]
Although no longer available from Zenoah, the GZN25N14 can actually be found used in older Ryobi and Toro 25cc two-cycle blowers, string trimmers and cultivators. (Toro still makes the 25cc trimmers, with a modified GZN for emissions reasons) It is not marked as a Zenoah but it is defenitely made by them, and uses all of the same parts that you would find in the original Zenoah.
Reliability[]
The Zenoah GZ25N14 is known for its reliability and mileage. The engine could be driven at full throttle for its entire tank without a problem. Although it is not a particularly powerful engine as it is stock, it can be made very fast with minor porting and bolt on performance parts.
References[]