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CBR wheels on my YZ426F

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I finally finished putting CBR wheels on my YZ426. I haven’t seen anything online about doing this exact wheel swap so I thought I would post something.

I used CBR F2 wheels. The front wheel was the easy one. The bearings fit so the only thing to do was mill the wheel so that rotor would line up with the caliper and move the caliper out to match the rotor diameter. I took it to a machinist here in Denver who made the bracket and milled the wheel (he did awesome work. His email is cdscomponents@gmail.com).

The back wheel was not as easy. I used an 87 VFR sprocket carrier. The machinist milled the dust seal lip off of the wheel and carrier so that it would fit in the swing arm. The axel on the YZ is larger than the axel on the CBR so I had to find 22x42x14mm bearings. I found VRT1000R front wheel bearing are the size I needed. Here is a link to purchase: http://www.faymyers.com/fiche_section_detail.asp?section=156033&category=MOTORCYCLES&make=HONDA&year=2002&fveh=3621

I used 7/8 ID aluminum rod to make 3 spacers that go on the axel, one between the bearings on the wheel, one between the wheel and sprocket carrier and one for the sprocket side of the wheel between the wheel and swing arm.

The sprocket for the VFR is 525 pitch and I needed 520 pitch to match the sprocket on my bike. I talked to moto-heaven and they made a sprocket for less than $70 shipped.

The break rotor for the CBR is of course the wrong size. I found that the rotor for a Honda CB 400 SUPER FOUR fits just right. It has the bolt pattern of a CBR and the diameter of a YZ426. The bad news is that that bike is not sold in the US so I had to order one on ebay.

Here are some pics:

<a href="http://s113.photobucket.com/albums/n213/trupprec/Supermoto%20yz426f/?action=view&current=PICT0017.jpg" target="_blank"><img src="http://i113.photobucket.com/albums/n213/trupprec/Supermoto%20yz426f/PICT0017.jpg" border="0" alt="Photobucket"></a>

<a href="http://s113.photobucket.com/albums/n213/trupprec/Supermoto%20yz426f/?action=view&current=PICT0018.jpg" target="_blank"><img src="http://i113.photobucket.com/albums/n213/trupprec/Supermoto%20yz426f/PICT0018.jpg" border="0" alt="Photobucket"></a>

<a href="http://s113.photobucket.com/albums/n213/trupprec/Supermoto%20yz426f/?action=view&current=PICT0019.jpg" target="_blank"><img src="http://i113.photobucket.com/albums/n213/trupprec/Supermoto%20yz426f/PICT0019.jpg" border="0" alt="Photobucket"></a>

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