Cylinman Yamaha YFZ450 Complete Full Gasket Kit — Fit 2004–2009, 2012–2013, Top & Bottom End Seal Set

This Cylinman YFZ450 Complete Full Gasket Kit is a full top-to-bottom gasket set engineered to replace all factory gaskets on compatible Yamaha YFZ450 engines.

If you're rebuilding or refreshing a Yamaha YFZ450 engine from the eligible model years, this comprehensive gasket kit gathers the seals and gaskets you need in one package. It is supplied as a complete top and bottom end set noted in the product images and documentation. Important: it is not compatible with YFZ450R or YFZ450X variants, so verify your bike model before ordering.

What parts are included in this complete gasket kit?

The kit supplies the gaskets and seals required for a full engine tear-down and rebuild of compatible YFZ450 models. It covers both top-end components (head, valve cover) and bottom-end items (crankcase, oil seals), presented as shown in the product photo.

• Head gasket, base gasket, valve cover gasket
• Crankcase gaskets and O-rings for seals
• Oil seals and assorted small gaskets for engine assemblies
• Packaged as a single complete set for top and bottom end

Will this kit fit my Yamaha YFZ450?

This gasket set fits Yamaha YFZ450 models from 2004 to 2009 and 2012–2013, but it is explicitly incompatible with YFZ450R and YFZ450X models. Confirm your bike's model year and variant before purchase to avoid mismatch. If you are uncertain, contact the seller for verification within their 24-hour response window.

• Compatible: YFZ450 2004–2009, 2012, 2013
• Not compatible: YFZ450R and YFZ450X
• Verify part numbers or consult the listing images before ordering

How does this kit help during an engine rebuild?

Using a full gasket kit ensures all mating surfaces are resealed with fresh components, reducing the chance of oil or coolant leaks after reassembly. Having a complete set prevents delays from missing gaskets during the rebuild process. The kit simplifies ordering by supplying the necessary top and bottom end pieces together.

• Replaces worn or damaged gaskets for leak-free sealing
• Includes both top-end and bottom-end components in one order
• Saves time by avoiding multiple separate part purchases

What should I check before installing this Cylinman set?

Inspect compatibility with your YFZ450 variant and compare the supplied gasket shapes to your engine's parts. Clean mating surfaces thoroughly and follow torque specifications for bolts during installation to ensure a proper seal. If any gasket appears damaged or missing, contact the seller promptly.

• Match kit to your exact model year and variant
• Check all gaskets for completeness and condition before assembly
• Follow manufacturer torque settings and surface prep guidelines

Who is this for: This Cylinman full gasket kit is aimed at DIY mechanics, professional engine rebuilders, and YFZ450 owners performing a comprehensive engine service or rebuild on eligible 2004–2009 and 2012–2013 models. If you maintain or restore a non-R/X YFZ450 and want a single, complete gasket package to replace every major seal during disassembly, this kit supplies the parts needed to complete the job efficiently.