Wheels on 08 450 same as 06 250

Ok I'm thinking about upgrading my 2006 YZ250f to a great deal on a leftover 2008 YZ450F.

On my 06 I have one season old black Excell A60 rims, oversized spokes and gold talon hubs which ran me $1300 laced. can I put these wheels on the 08 and then sell my 06 with the 08 wheels. thanks.

Yes you can, but the 250F uses a narrower rear rim.

Is it allot more narrow, will it look funny or behave differantly, obviously smaller tire will equal less meat and less traction. Any input? Or will it be not even noticable. What do you think.

thanks

250F's come with a 1.85" wide rear rim, which takes a 100-90-19 tire, while 450's come with a 2.15" wide rear rim which uses a 110-90-19 tire. The difference isn't huge, and on the track you don't really notice a difference.

If I put the 08 450 rims on the 06 250 would that affect the 06 allot. The bike is going to my buddy and I don't want to screw him. If anything I can always get the larger rear rim and just lace it up should be no problems. Also can I run an oversized tire on the 06 rims and compensate for the differance or make it closer or don't bother.

Youre allot of help, thanks again.

dan

If I put the 08 450 rims on the 06 250 would that affect the 06 allot. The bike is going to my buddy and I don't want to screw him. If anything I can always get the larger rear rim and just lace it up should be no problems. Also can I run an oversized tire on the 06 rims and compensate for the differance or make it closer or don't bother.

Youre allot of help, thanks again.

dan

It you put a wider tire on the narrow rim it squeezes the tire in at the beads and causes the rest of the tire to arch up more. It doesn't really make a huge difference. Likely you and your buddy will not be able to tell what size rear wheels are on the bikes. I've used a 250F wheel on my 450 as a practice wheel many times and could never tell the difference.

You will need to use the '08 axle and brake side front wheel spacer with the '08, and vice-versa. Otherwise, the wheels will fit.

We used to use 110/90's on the 1.85" rim on our YZ250F, and it worked OK, but it does pull the tire in a little compared to the 2.15 it belongs on. One thing to consider is that you probably won't be able to properly fit a 120/80x19 to the 450 if you use the 1.85 on it. Likewise, a 110/90x10 would not really fit the 2.15 very well on the 250F. The downside to doing this seems mostly in the fact that it will limit your tire choices somewhat on both bikes.

No problem with the front.

I have swapped most rear wheels onto my 08450 using the 08 axle and spacers...great luck so far, all sprockets the same, all rotors the same. You can use an old style rotor on a new bike and viceversa. This is what i like about Yamaha , for the most part, 10 years running and there are alot of interchangeable parts. Not to mention, a 8,10,14, an 24mm wrench can rebuild the whole bike! sweet!

....O, and their bullet proof valve train!

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