Help with the throttle mod...

I want to do the throttle stop mod on my '04 WR 450. I want to replace it with the YZ throttle stop. I talked to the mechanic at the Yamaha dealership, he said there is no shorter YZ throttle stop to replace the WR, that I have to cut the WR one. Reading the forum here, a lot of guys have bought them. Where can I get the part? Do I need to go to a different dealer? Thanks.........

Take a look @ www.thumperfaq.com

The part number is listed there

Try a different dealer or look the part number up yourself at the Yamaha website.

Tell your dealer to do some homework and read up on www.thuperfag.com. That way he doesn't look like a idiot the next time someone asks him a question.

Thanks for all your help. I got the part number and now I can go buy it. I thought that would be easier than hacking the longer one...

Streetbikepimp im a little scared to click on your link to thumperFAG.com LOL :thumbsup:

LOL

I'm an engineer. I suck at spelling.

Have your dealer look in the Yamaha Bulletin Book. There is a whole section on setting up the WR for "closed course" use. It should have the stop number and, I think, there is info on the grey wire mod.

If you still can't get the pn let me know. I bought one from the dealer near me and I may be able to find the receipt. By the way, the stop does not work on the 1998 WR.

I just took mine to the grinder. kinda easy just messure twice cut once or is that with wood. what ever my stop works so I figure I did kinda good. :thumbsup::devil:

I was just in the garage and found a Yamaha part wrapper. I am pretty sure that it was for the throttle stop screw. the pn is 5JG-14591-00. Make sure that you have the dealer check before you order.

Correct. From 2004 YZ450F parts fiche:

5JG-14591-00-00 .SCREW

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