Piston Ring Set for 6.5HP CG80250-C Petrol Engine GEKO
Key information
Availability:Temporarily out of stock — ask for availability
Shipping cost:From 3.29 Euro
catalog number:CG80250-C
Availability:
EAN code:5901477136481
Product condition:New, originally packaged
Guarantee:24 months of consumer protection
Weight:0,01 kg
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Piston Ring Set for 6.5HP CG80250-C Petrol Engine GEKO
A complete set of piston rings intended for the reconditioning of 6.5 horsepower petrol engines. The set restores correct combustion chamber sealing and cylinder compression.
Technical characteristics
Sealing function
The rings seal the gap between the piston and the cylinder, preventing combustion gases from entering the crankcase and oil from migrating into the combustion chamber. Loss of sealing shows up as reduced power and increased oil consumption.
Compression control
Correctly fitted rings restore cylinder compression, which directly translates into restored engine operating parameters. A drop in compression causes starting difficulties and unstable running.
Heat dissipation
Piston rings transfer around 70% of the heat from the piston to the cylinder walls. Worn rings lead to piston overheating and can cause piston damage.
Compatibility with 6.5HP engines
The set is dedicated to standard 6.5HP single-cylinder engines with a cylinder bore of approximately 68-69mm. Before purchase, check the engine model designation on the housing.
Technical specification
| Model | CG80250-C |
| Manufacturer | GEKO |
| Intended use | 6.5 HP petrol engine |
| Engine type | Single-cylinder four-stroke |
| Set contents | Complete set of piston rings (compression and oil scraper) |
| Application | Reconditioning, replacement of worn rings |
Applications
- 6.5HP generators
- Self-propelled petrol lawnmowers and lawn tractors
- Petrol water pumps for clean and dirty water
- Petrol cultivators and tillers
- Vibrating plate compactors with a 6.5HP engine
- General-purpose engines for various applications
- Petrol disc saws and cut-off saws
- Construction and garden equipment
When to replace piston rings
Signs of ring wear
Replacement is necessary when you notice: increased oil consumption (blue smoke from the exhaust), reduced engine power, starting difficulties, unstable idling, or increased fuel consumption. Wear can be confirmed by a compression test – a reading below 7-8 bar indicates that replacement is required.
What the replacement involves
Replacing the rings requires removing the cylinder head and taking the piston out of the cylinder. Before fitting the new rings, check the piston ring end gap (usually 0.2-0.4mm) and the condition of the cylinder bore surface. Scratches or cylinder ovality greater than 0.05mm require the cylinder to be rebored or replaced.
Checking compatibility
To make sure the set fits your engine:
- Check the rating plate on the engine – output 6.5HP (approximately 4.8kW)
- Verify the model designation on the engine housing
- Measure the cylinder bore – it should be 68-69mm
- Compare the old rings with the new ones before fitting
Commercial information
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