Cylinder & Piston 54mm for Stihl 066 MS660

Cylinder & Piston 54mm for Stihl 066 MS660

L&S Engineers

Cylinder & Piston 54mm for Stihl 066 MS660\nPart No. 725 014\n\nOverview:\n\nThe Cylinder & Piston 54mm for Stihl 066 MS660 is a non-genuine replacement top-end kit for restoring engine performance on compatible Stihl chainsaws. Built around a cast aluminium cylinder with a Nikasil-lined bore for wear resistance and heat control, it includes a matched aluminium piston, steel rings, gudgeon pin, and circlips. The 54 mm (2.13 in) bore matches the original specification to recover compression, power, and starting reliability. Designed as a direct replacement for OEM part number 1122 020 1211, it suits routine rebuilds or repairs on the 066 and MS660. The robust construction is intended for demanding cutting tasks, helping extend the service life of the machine when installed and run-in correctly with suitable oil and fuel.\n\nKey Features:\n\n- Non-genuine replacement part compatible with Stihl 066 and MS660 models\n\n- Direct swap for OEM reference 1122 020 1211 to simplify selp

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