Max rear tyre size?
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Road Captain
Joined: Jun 2014
Posts: 598
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From: Sweden
Max rear tyre size?
I have read several threads here on whats the widest rear tyre possible on a EVO Dyna.
(Mine is a 98 FXDWG).
Most answers say that 140 is the widest, but I also noted that a few writes that a 150 tyre in the rear i a possibility.
Anyone with a 150 tyre care to share if they had to make any adjustments to make it work?
Picture shows what I think is a 150 tyre on a 94 FXDWG
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,117
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From: Poolville
You will have to go to a narrow drive belt and rear pulley. S&S makes a nice 1 1/8" belt that will take a good amount of power... Unless you go up to a 2000 up rear rim you will have to get an after market pulley.. 150 tire is Max unless you get a 180 or 200 mm tire kit for like $3000.00. not worth it. IMO..
Club Member
Joined: Jun 2007
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From: Bedford UK
The rear end of your bike is much the same across all Evos of that era. I've been down the route of trying wider tyres and with the stock 1 1/2" belt you have few practical options. In my case installing a 140 required trimming the rubber curtain inboard of the belt guard, to fit a 150 I had to go to a narrower belt, as hotrod suggests above. Fortunately all three tyre widths, 130, 140 and 150, will fit your stock wheel. I have subsequently gone to a 160, but that is another story!
Club Member
Joined: Jun 2007
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From: Bedford UK
It's tempting when looking at much more modern bikes and customs to see their wide tyres and think it would be nice to have some of that! The older bikes may look very similar, but unfortunately the manufacturers, including H-D, were slow in making the mods necessary to add them. Lackaday!
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
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From: Haslet Texas
It's tempting when looking at much more modern bikes and customs to see their wide tyres and think it would be nice to have some of that! The older bikes may look very similar, but unfortunately the manufacturers, including H-D, were slow in making the mods necessary to add them. Lackaday!
All you're gonna do by going to a wider tire is affect looks and how much a replacement costs.
Seasoned HDF Member
Joined: Aug 2008
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From: Ohio
Got a 150 on a Roadking with the wide belt but very challenging, stock tire or a 140 is less of a head ache
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Tourer
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From: Bedford UK
Having swapped out my rear end, mainly to get in a stronger swingarm as well as to increase belt clearance with the tyre, I discovered room to squeeze in a fresh wheel with 160 tyre. That gives me a yet higher load rating, closer to the current Touring bikes. I'm not sure that many Harley owners will notice it, to be honest, so it is for my own satisfaction, not show! Replacement cost isn't an issue as it doesn't vary much, unless using really wide custom ones.
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