Athena Easy MX Ø77mm Cylinder-piston kitRef : ATH00620A / 1013434

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.