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tamasuperstar

YZ450F Street Tyres

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I will be using my 2015 YZ450F on the road but don't want to go the supermoto route.

I am keeping the standard 21" front and 19" rear wheels.

 

The tyres i've been recommended are the Avon Roadriders in the following sizes -

 

Front - 90/90-21 - Width of 98mm and Outside Diameter of 698mm.
Rear - 100/90-19 - Width of 109mm and OD of 671mm.

 

The tyre sizes above are slightly different to the standard sizes that the bike comes with -

Front - 80/100-21 - width 80mm and OD 693mm.

Rear - 110/90-19 - width 109mm and OD 681mm.

 

My question is - will these tyres fit the wheels ok?

 

Cheers,

John

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Yes they will work fine but if your using one set of wheels it will get old quick swapping them on and off. I'm running 90/90-21 and 100/90-19 Conti attack on my 06 450 but they look a little funny with how skinny they are.

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Thanks Scott - that's very helpful.

 

My main concern is the front tyre. Avon say the minimum rim width for the front 21" Roadrider tyre is 1.85" but the front rim width on the YZ450F is 1.6". So in theory, this tyre is too big for the rim.

 

Does anyone know if it will fit or be safe to use?

 

My other option would be to have tyres from different makes on the front and back (say an Avon Distanzia on the front and an Avon Roadrider on the back) but i don't believe that's really recommended either.

 

Any thoughts from anyone?

 

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The tire should be safe.  I know it's not a street application, but lots of guys run 110/90's on the back of YZ250F's on a 1.85 rim, while the tire calls for a 2.15.  No problems other than it makes the cross section a little "rounder".

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Yes they will work fine but if your using one set of wheels it will get old quick swapping them on and off. I'm running 90/90-21 and 100/90-19 Conti attack on my 06 450 but they look a little funny with how skinny they are.

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1BB7659E-329F-4F7F-A527-64E7832170B2_zps

So what's it like on the tarmac Scott? Can you really get the bike leaning over on the corners with the road tyres fitted? 

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So what's it like on the tarmac Scott? Can you really get the bike leaning over on the corners with the road tyres fitted?

Yes I can. Ive scraped the peg before but it was on a slower sharp corner and I've had it up to 80. Even with the motor screaming at 80 the bike felt very stable and planted with those tires. Edited by 700rScott
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