ATHENA Easy MX Cylinder Kit Ø77 mm – for Yamaha WR250X / WR250R
Designed for off-road enthusiasts looking to refresh the upper engine, this ATHENA Easy MX kit offers a bare cylinder with a diameter of 77 mm, compliant with original mounting specifications. Ideal for replacement during wear repairs or engine revisions, it maintains the original architecture of the WR250 while facilitating workshop intervention.
- Contents: bare cylinder (diam. Ø77 mm) + top engine gasket kit.
- Type: standard bore, original type mounting (without piston or rings).
- Usage: suitable for motocross/enduro practice and track outings.
Before installation, check the condition of the piston, rings, and cylinder head; inspecting the sealing surface and valve clearances is recommended. For a safe start-up, follow the manufacturer's recommendations for break-in and fuel adjustments.
- Main compatibility: YAMAHA WR 250 R (DG20) 2014-2015
- Compatibility: YAMAHA WR 250 X (DG20) 2013
Manufacturer reference: EC485-031 — A part dedicated to demanding riders who wish to maintain the reliability and original geometry of their engine.
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