P400485100042, 20009-K01 CH2001-K01 CW-PV-K01, CBK0135, 21009-K01, 21009,CBK0135, 4138, 808670, 822304, K012, 811670,24079B,204543447645, PWR134-100, WB1157, PK1573, WPC126, NX-40025-BK, 5CU-11351-00, 5CU-11993-00, 5CU-11354-00, 93210-15639-00, 93210-53638-00, 5NX-13622-00, 90116-08394-00, 90176-08026-00, 90201-08087-00, WPC134, NX-40025, NX-40031T, MX-09153K

Yamaha YZ250/ Athena /Hot Rods / Vertex / All Balls Racing

Athena 72mm Complete 300cc Big Bore Motor Rebuild Kit!

This is the BEST, MOST RELIABLE rebuild kit on the market at the BEST PRICE!

Fits Yamaha YZ250 2 Stroke Dirt Bikes

Years 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

This Rebuild Kit Includes:

• Athena 72mm Big Bore Nikasil Plated Cylinder
• Athena Moly Coated Stock Big Bore Piston Kit (Includes, Piston, Pin, Rings & Clips) (Perfect For Pump Gas)
• Athena Cylinder Head with Power Valve Kit
• Athena Cylinder Head Stud Kit
• Athena & VertexComplete Top End Gasket Kit
• Hot Rods Complete Heavy Duty Crankshaft Assembly (Includes Heavy Duty Connecting Rod)*
• Hot Rods Piston Wrist Pin Bearing
• Hot Rods Heavy Duty Crank Main Bearings with Crank Seals
• Vertex Complete Motor Engine Gasket Set
• Vertex Complete Bottom End Engine Oil Seal Kit
• And of course a new NGK Spark Plug to make sure it fires right up!

This is a bolt on kit with no machining required. All parts come with warranty.

– The Best Parts. The Best Performance. The Best Price.

BRAPPPPPPPPPP!