CBK0135, 4138, 808670, 822304, K012, 811670,204543447645, 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

/ Magnum MX / Bronco /Hot Rods Complete BIG BOREMotor Rebuild Kit!
This is the BEST, MOST RELIABLE, and MOST AFFORABLErebuild kit on the market!
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:

• Magnum MX72mm 293cc Big Bore Cylinder Kit with a Nikasil Plated Cylinder – Designed by Eric Gorr
• Larger Water Jackets for Increased Cooling!
• Forged Moly Coated 72mm Big Bore Piston Kit (Includes, Piston, Pin, Rings & Clips) (Perfect For Pump Gas)
• Big Bore Cylinder Head with Big Bore Power Valve Kit
• Complete Top End Gasket Set
• Hotrods 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!

CBK0135, 4138, 808670, 822304, K012, 811670,204543447645, 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