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ajetmech

06 WR450 AIS needle

11 posts in this topic

I have a 2006 WR 450. I did the AIS kit years ago and for some reason my needle is bent now. I went to go order a new one but I don’t know the size. On the needle it only says RGDDT. It came with the kit and I no longer have the paper work and need to know which one to order.:thumbsup:

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After several days of research and talking with some Local experts around here for hours I found out the replacement needle for the WR-450 AIS removal kit is NCVQ Yamaha P/N # 5TJ-14916-V1-00 with the clip on the fourth position. This is also a YZ needle.

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After several days of research and talking with some Local experts around here for hours I found out the replacement needle for the WR-450 AIS removal kit is NCVQ Yamaha P/N # 5TJ-14916-V1-00 with the clip on the fourth position. This is also a YZ needle.

How did you come up with this conclusion? I was under the impression that no one really knew what needle was in the ais kit from Yamaha?

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Hmmm...it makes sense that it would be 'closer' to a YZ needle, but the actuall one...interesting...

Wonder what the taper differences are between the actual YZ needle, AIS needle and the JD needle...anyone have a micrometer?...

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Hmmm...it makes sense that it would be 'closer' to a YZ needle, but the actuall one...interesting...

Wonder what the taper differences are between the actual YZ needle, AIS needle and the JD needle...anyone have a micrometer?...

It should be known that there isnt just one YZ needle...there are a bunch

Thus my question as to how they know exactly that the GYTR needle is the specic part number he listed...

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I was at Chaparral Motorsports in San Bernardino CA. I was talking to Raul who the resident wiz with jetting and other bike issues. He had dealt with this same issue before. He did some digging and this is the number that he came up with. He tried to call his connections at Yamaha but they were gone for the day. By the way this number also crosses to KTM. Yamaha does have the widest range of selection for needles.

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He did some digging and this is the number that he came up with. He tried to call his connections at Yamaha but they were gone for the day.

This realy isnt very specific...

Although it is "info" its not cut and dry in the fact that we still do not no for sure that the GYTR needle is...

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You got me thinking on this and I dont know why I did not do this in the beginning. Hind sight is always 20-20. That needle will work as a replacement but I just got off the phone with Yamaha customer relations at 1-800-962-7926 and I asked them the number that comes in the kit. The number that is supplied in the 05-06 WR-450 AIS removal kit is (RGDDT) Yamaha P/N# 5BF-149-168-R-00. I hope this clears up any confusion and is a help to others.

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I just got off the phone with Yamaha customer relations at 1-800-962-7926 and I asked them the number that comes in the kit. The number that is supplied in the 05-06 WR-450 AIS removal kit is (RGDDT) Yamaha P/N# 5BF-149-168-R-00.

Now thats more like it :thumbsup::lol:

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The correct typing of part number is 5BF-14916-8R-00 then it also shows the letters DTR-K on the google search.

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