Ø 34 mm
25cc engine
Quality aftermarket
Complete kit with piston and cylinder Ø 34 mm for Oleo-Mac, Efco and Dynamac brushcutters (25 cc).
Designed to restore engine compression, power and reliability , it is suitable for both professional and DIY maintenance.
Compatibility
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Oleo-Mac: Sparta 25, 25TR, 26, 250, 250TR, 250T, 260
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Efco: 8200, 8220, 8260
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Dynamac: 25 cc brushcutters
⚠️ Always check images and measurements before purchasing to ensure compatibility.
Technical specifications
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Replacement OEM Part Number: 4161570R
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Displacement: 25 cc
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Piston diameter: 34 mm
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Material: Aluminum (components as per photo)
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Color: silver
Package Contents
- 1 × cylinder
- 1 × piston
- 1 × piston pin
- 2 × elastic bands
- 2 × seeger (circlips)
- 2 × shaft bearings
- 1 × oil seal
Why choose this kit
- Restore compression and quick start
- Improves torque and performance under stress
- Reduces fuel consumption and smoke due to wear of the thermal unit
Assembly tips
- Clean the crankcase thoroughly and lightly lubricate the pin before assembly.
- Align the piston rings on the piston pins and observe the insertion direction
- Check the play of the roller cage and replace the seals if worn.
Shipping
- Available options: tracked mail or express courier (24/48 h)
- Orders confirmed by 10:30 am: same-day dispatch (Mon-Fri)
Returns and right of withdrawal
- Returns within 30 days
- Intact product and original packaging required
- Return costs to be paid by the buyer except for defects
Assistance
Have questions about compatibility? Contact us via the website chat or use the "Contact" form in the shop: we'll help you choose the right kit.
The brands mentioned belong to their respective owners; the item is a compatible/aftermarket replacement part.
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