What's the biggest tire on rear of XR650R?


11 replies to this topic
  • cajun

Posted March 19, 2005 - 06:48 AM

#1

Can someone please tell me what the absolute biggest tire is that can be put on the rear of a 2001 XR650R for dual sport purpose? I'm looking at some 140-90-18 but I don't know if they'll fit.

  • bikemadtim

Posted March 19, 2005 - 10:50 AM

#2

Dual sport as in dirt tyres I assume. I run a 150 section road tyre on mine.

  • NVFirefighter

Posted March 19, 2005 - 03:57 PM

#3

I think the Terraflex in 140/80X18 would be the biggest tire you could fit and still work well. The Pirrelli MT 21 in the same size is a great tire but does not have as large a lug as the Terraflex does....

  • XRRat

Posted March 19, 2005 - 03:58 PM

#4

I have a 140 Pirelli MT21 with 14/48 and its fine..

  • Math

Posted March 19, 2005 - 06:40 PM

#5

Michelin Baja, I think it is a 150. The tera flex is a monster too!

  • cajun

Posted March 19, 2005 - 06:45 PM

#6

Thanks guys! It looks like most are suggesting I can fit a 150/90-18 with no problem. I probably use my bike 50/50 on/off road. Any suggestions which tire performs best on both on road and off. Preferrably DOT.

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  • NVFirefighter

Posted March 20, 2005 - 11:25 AM

#7

Good luck finding a name brand dirt tire in a 150 size....

  • BWB63

Posted March 20, 2005 - 06:40 PM

#8

The Tera Flex Type 2 140/80 is the biggest dirt tire (DOT) that will fit. It has some fit issues. If you wheel adjuster mark isn't back past the mid point the tera flex will rub the swing arm and has to be back even further if you want to keep your mud guard. Your wheel will have to be true to keep the tire from rubbing the side of the swing arm.
http://www.intercoti...Flex2-large.jpg

  • cajun

Posted March 22, 2005 - 03:44 AM

#9

Okay I just bought the Teraflex Type II. Has anyone just tried modifying the mud flap to prevent it from rubbing? It seems to me it doesn't need to be that long. It may even be able to be fitted in the space of the shock and spring.
Can't wait to try it out!

  • sunnymex

Posted March 31, 2005 - 06:55 PM

#10

Go for the Michelin Baja Tire. It is an all around great time and will last you twice as long as the others. A bit on the pricey side, but well worth the investment. They also have a Desert tire. I bought one, but haven't installed it yet. It is pretty fricken huge. Not sure if it will fit, but one of these days, I will give it a shot.

Good luck!! :naughty:

  • bork

Posted March 31, 2005 - 08:14 PM

#11

on my 94 xr600r , I run 140 mich dessert. use for 98% dirt . I like but must shimm out muffler and will wear a hole in chain guard. Draw back is the center lugs from new were a little on short side. But the monster makes up for it in huge side lugs. Can;t beleive it is dot. :naughty:

  • swells454

Posted April 30, 2005 - 06:47 PM

#12

Can someone please tell me what the absolute biggest tire is that can be put on the rear of a 2001 XR650R for dual sport purpose? I'm looking at some 140-90-18 but I don't know if they'll fit.


I just put a teraflex II on my xr650r...140/80. It barely clears the swingarm in front so I am changing to a 13 tooth front sprocket to see if that helps. Let us know what you decide and how it fits! :naughty:





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