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Posted by bigbike4
- July 27, 2009, 22:29:19 PMHi Guys and Gals, I am somewhat embarrassed to be asking this, since I am a part time motorcycle mechanic, but after racking my brain I am unable to come up with anything. I have been running Maxxis WW front and rear on the bike for 9 years now. I check tire pressures weekly-only putting about 500 miles a week on the bike. This past year I have not ridden much due to moving into my shop and home. Anyway, I normally run the rear at about 36 pounds, will up it to 38-40 if I travel with luggage - for high speed riding. This last rear tire did not even last 3000 miles! I blew the previous one (Maxxis also) at about 8000 miles.
Like I said, tire pressures are checked weekly, and are generally 36 in the rear and 32 in the front. It is the rear that keeps blowing out. Not a lot of fun on curvy mountain roads which have no cell phone coverage-for getting help. Any ideas as to why? Before these last 2 Maxxis I always got 11000 or more miles out of the tires.
I can not find anything in the fender that the stock tire size is hitting, and the blow out is always the same-about a 10" long patch right down the center of the rear tire. At least this time the tire stayed on the rim! 
Any thoughts or suggestions where else to look? Suspension is Progressive 440's on the rear and not a lot of weight was being hauled either time-ie saddle bags and rack were both empty and I weigh 150 lbs.