Maximum rim size YZ250F supermoto? - Speedzilla Motorcycle Message Forums
 
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post #1 of 9 (permalink) Old 11-03-2005, 03:51 AM Thread Starter
 
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Maximum rim size YZ250F supermoto?

What are the maximum rim sizes for running 17" rims on a YZ250F for a supermoto set-up without getting into problems of rubbing on the chain,etc...????
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post #2 of 9 (permalink) Old 11-03-2005, 12:51 PM
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Quote:
Originally Posted by Bmrdude
What are the maximum rim sizes for running 17" rims on a YZ250F for a supermoto set-up without getting into problems of rubbing on the chain,etc...????
I'm not the ultimate authority - I only have a YZ426 to base this on:

Your chain will rub no matter what you put on. A 4.25 inch rim with the stock hub and spacers will rub. A 5 inch rim with fancy custom spacers can only be expected to rub.

Don't get me wrong, you'll see daylight between the chain and tire when the bike is stationary, but somehow, after the first ride, the edge of your tire will have odd shallow bites out of it.

But I think the point of your question is what do you have to do to get a 5 inch rim on there?: Answer: Custom spacers.
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post #3 of 9 (permalink) Old 11-03-2005, 02:50 PM
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I have an '02 WR250F and started running 4.25" wheels with a 150 rear. No rubbing problems for me at all.

The forged wheels I'm running now have a 4.5" rear, and with a 150 rear I still have no clearance problems



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post #4 of 9 (permalink) Old 11-04-2005, 02:13 AM Thread Starter
 
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Thanks for the information guys!
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post #5 of 9 (permalink) Old 11-04-2005, 04:57 PM
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Quote:
Originally Posted by Dave
I have an '02 WR250F and started running 4.25" wheels with a 150 rear. No rubbing problems for me at all.

The forged wheels I'm running now have a 4.5" rear, and with a 150 rear I still have no clearance problems
Methinks this might have something to do with your tire choice.

Pray tell, what tires do you use on these rims?

150 series street tires have never rubbed on my chain, but the Maxxis 160 series slicks do. Funny, since you'd think the 160 series tire would be even more "pinched", reducing overall width.
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post #6 of 9 (permalink) Old 11-04-2005, 05:10 PM
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Quote:
Originally Posted by banda
Methinks this might have something to do with your tire choice.

Pray tell, what tires do you use on these rims?
Currently running Shinko supermoto slicks. 150 rear.


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post #7 of 9 (permalink) Old 11-05-2005, 03:35 AM Thread Starter
 
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Dave,


What wheels are those on your WR?
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post #8 of 9 (permalink) Old 11-05-2005, 05:26 AM
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What wheels are those on your WR?
I bet he got them Carrozziera wheels from these people: https://www.speedzilla.com/supermoto.shtml
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post #9 of 9 (permalink) Old 11-05-2005, 11:28 AM Thread Starter
 
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Wow, that is a novel idea. Duh, I should have paid attention to the "storefront".



Anyway, Dave, how have these rims been for you. Pros vs. Cons regarding running the forged or cast rims compaired to laced rims?

Thanks,
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