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2012 Apex 128 Suspension wheel (upper that bolts into tunnel) part number change.

Thunder66

Veteran
Joined
Nov 5, 2015
Messages
37
Age
65
Location
Holly Michigan
Country
USA
Snowmobile
2012 Yamaha Apex
I bought a set of Yamaha suspension wheels and they changed part numbers from8CR-47310-10-00 to 8CR-4731A-00-00 which I didn't think any thing of. I got them today and realized that the inner diameter is different and they dont work with the old flange/spacers that insert into the old wheels. Anyone know which other parts I need? I noticed that a couple of the associated bolts have new part numbers as well. can anyone shed some light? Thanks!
 

I bought a set of Yamaha suspension wheels and they changed part numbers from8CR-47310-10-00 to 8CR-4731A-00-00 which I didn't think any thing of. I got them today and realized that the inner diameter is different and they dont work with the old flange/spacers that insert into the old wheels. Anyone know which other parts I need? I noticed that a couple of the associated bolts have new part numbers as well. can anyone shed some light? Thanks!

You have an pictures of what you are trying to accomplish.
 
I bought a set of Yamaha suspension wheels and they changed part numbers from8CR-47310-10-00 to 8CR-4731A-00-00 which I didn't think any thing of. I got them today and realized that the inner diameter is different and they dont work with the old flange/spacers that insert into the old wheels. Anyone know which other parts I need? I noticed that a couple of the associated bolts have new part numbers as well. can anyone shed some light? Thanks!
That should be.a 5.138” od wheel with a 6205 bearing, I have the same wheels& mounts& they have used those wheels forever, same lower idler wheel they used on the rx1/rxwarrior, did you remove the plastic spacers?? The upper guide wheel should not require the plastic spacers on either side, same wheel used on a vector ltx or an 07 attak unless someone has used different aluminum wheel hubs they should fit
 
I bought a set of Yamaha suspension wheels and they changed part numbers from8CR-47310-10-00 to 8CR-4731A-00-00 which I didn't think any thing of. I got them today and realized that the inner diameter is different and they dont work with the old flange/spacers that insert into the old wheels. Anyone know which other parts I need? I noticed that a couple of the associated bolts have new part numbers as well. can anyone shed some light? Thanks!
The only difference with the part numbers you list is that the 8CR-4731A-00-00 has plastic spacers pressed into the bearing for use in some applications - in your application they are not needed - simply remove them (small screwdriver and tap them right out) and that wheel is then exactly the same as the 8CR-47310-10-00 wheel that came on it stock. Yamaha simply combined the part numbers on these wheels to simplify inventory as the 8CR-4731A-00-00 can be used for either application.
 
The only difference with the part numbers you list is that the 8CR-4731A-00-00 has plastic spacers pressed into the bearing for use in some applications - in your application they are not needed - simply remove them (small screwdriver and tap them right out) and that wheel is then exactly the same as the 8CR-47310-10-00 wheel that came on it stock. Yamaha simply combined the part numbers on these wheels to simplify inventory as the 8CR-4731A-00-00 can be used for either application.

Thank you very much!
 


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