"Free" Modifications

WR250F “Free” Modifications

The WR250F in pure stock form is quite “choked” to meet EPA specification for emissions and noise. There are several modifications that can be done without much effort or expense that will allow you to bring the “sleeping YZF” out of the WRF.

Airbox	Exhaust Baffle	Throttle Stop
Gray Wire	YZF Timing	Air Cut Valve

Common “Free” Modifications

The following modifications may apply to either the WR250F or YZ250F.

Blue Wire / Neutral Switch	Clutch Mods
JamesNow / AVNow	Chain Slider
Accelerator Pump Mods	Swamp Proofing

ThumperTalk Archives (updated 12/16/03)

	ThumperTalk WR 250F Owners
	ThumperTalk 03 WR Modifications
	ThumperTalk 2002 WR250f
	ThumperTalk '03 WR Mods - What still works
	ThumperTalk Free Mod Questions
	ThumperTalk Free Mods--Consequences
	ThumperTalk WR250 Mods
	ThumperTalk New WR250 What Mods free-money
	ThumperTalk Europe Specification 2003 WR250F Free mods
	ThumperTalk 03 WR250F First Ride- How do I make it Scream
	ThumperTalk WR 250F Owners
	ThumperTalk New WR250F

Listed hear are a few helpful threads. There are many more threads on this topic in the ThumperTalk archives. To find them, search the YZ250F/WR250F forum. Suggested keywords: free mods, free modifications, WR mods, WRF mods.