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72mm Nikasil Cylinder Kit – KTM 300 EXC TPI (2018–2023) 

Rebuild your engine with confidence using the Motojoy Cylinder Kit, designed specifically for KTM 300 EXC TPI models from 2018 to 2023. This complete kit includes the cylinder barrel, piston, rings & gaskets, making it an ideal solution for full top-end rebuilds on modern two-stroke TPI engines.

Featuring a precision 72mm bore with a durable Nikasil coating, the cylinder provides excellent wear resistance, reduced friction, and efficient heat dissipation. Manufactured by Motojoy to meet OEM specifications, this kit ensures accurate piston fitment, stable compression, and smooth, reliable power delivery across trail, enduro, and race conditions.

Key Features:

• Fits KTM 300 EXC TPI models from 2018 to 2023

• Complete cylinder kit: barrel, piston, rings & gaskets included

• 72mm bore with high-quality Nikasil coating

• Manufactured by Motojoy

• OEM-spec design for precise fitment and easy installation

• Improved heat control, durability, and engine longevity

A dependable and cost-effective KTM 300 EXC TPI cylinder kit for riders looking to restore performance, reliability, and confidence in their engine rebuild.

• 66.4mm Nikasil Cylinder – Yamaha YZ250 (1999–2023)

• Direct Replacement for Yamaha OEM Part: 5UP-11311-21, 5UP-11311-00 & 5UP-11311-01

• Fitment:
• -1999 Yamaha YZ 250
• -2000 Yamaha YZ 250
• -2001 Yamaha YZ 250
• -2002 Yamaha YZ 250
• -2003 Yamaha YZ 250
• -2004 Yamaha YZ 250
• -2005 Yamaha YZ 250
• -2006 Yamaha YZ 250
• -2007 Yamaha YZ 250
• -2008 Yamaha YZ 250
• -2009 Yamaha YZ 250
• -2010 Yamaha YZ 250
• -2011 Yamaha YZ 250
• -2012 Yamaha YZ 250
• -2013 Yamaha YZ 250
• -2014 Yamaha YZ 250
• -2015 Yamaha YZ 250
• -2016 Yamaha YZ 250
• -2017 Yamaha YZ 250
• -2018 Yamaha YZ 250
• -2019 Yamaha YZ 250
• -2020 Yamaha YZ 250
• -2021 Yamaha YZ 250
• -2022 Yamaha YZ 250
• -2023 Yamaha YZ 250
• -2024 Yamaha YZ 250
• -2025 Yamaha YZ 250
• -2026 Yamaha YZ 250