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mm: 36

mm: 48

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mm: 14

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The GYTR YZ125 Performance Kit is a comprehensive bolt-on engine kit developed to increase power and improve throttle response while maintaining strict Yamaha reliability standards.

The kit includes:

<ul>
	<li>GYTR CNC Ported Cylinder</li>
	<li>GYTR Two Piece Head</li>
	<li>GYTR Tuned CDI</li>
	<li>GYTR High Compression Piston Assembly (two per kit)</li>
	<li>GYTR Exhaust Valves</li>
	<li>GYTR Jetting Kit&nbsp;</li>
	<li>V Force 3 Reed Valve</li>
	<li>GYTR Silencer</li>
	<li>GYTR Pipe</li>
	<li>GYTR Carbon Fiber Ignition Cover</li>
</ul>

&nbsp;

Note: Requires high-octane race gas or 91 octane or higher pump fuel&nbsp;

<ul>
	<li>Titanium / steel exhaust system</li>
	<li>Yamaha recommended jetting specification</li>
</ul>

The YZ250F/WR250F High-Performance Kit conveniently combines GYTR performance parts into one kit to maximize the power of your bike.

&nbsp;Kit includes:

<ul>
	<li>
	GYTR Cylinder Head
	</li>
	<li>
	GYTR High Compression Piston
	</li>
	<li>
	GYTR Air Flow Kit
	</li>
	<li>
	Pre-programmed Vortex ECU &ndash; tuned specifically for this combination of performance accessories
	</li>
	<li>
	Top End Gasket Kit
	</li>
	<li>
	Replacement GYTR Ported Head Assemby #B7B-E11B0-T0-00
	</li>
</ul>

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