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Discussion Starter #1
If anyone finds that they get bad pressure at their tailbone from their xr seat they may want to try this easy mod. this mod is for the riders seat and does not involve the passenger section of the seat in any way.
1) remove the seat from the bike.
2) remove the leather cover which is done by removing all the staples on the underside of the pan (a staple remover will work fine).
3) once the staples are removed cut the tape on the corners of the seat holding the foam on the pan (do not cut foam).
4) remove the foam and cover as one piece. look on the underside of the foam and you will find a clear plastic piece shaped like a banana stitched to the seat cover. turn that piece sideways and feed it thru the foam to release the cover from the foam. now you have just the foam free to work on.
5) take a marker and draw a pie shaped wedge on the foam starting with the wide part of the wedge at the rear of the seat (where the rider and passenger seat meet and rounds down into the riders seat) coming to a point about 3/4 of the way down the center of the riders seat.
6) with sand paper, knife, dremmel or any way you can think of (I used a dremmel to remove foam and 1000 grit sand paper to smooth and shape the foam) start to slowly remove foam from the area inside your wedge. the object is to remove enough foam so that when you sit on your seat you no longer make contact with your tailbone. my wedge was about 5" wide centered at the rear of the seat and I went about 1/2" deep at the rear and gradually decreased that so that when I got to the point of the wedge I was barley removing any foam. your wedge width and depth will depend on you and your "fit".
7) reinstall the seat cover on the foam by putting the banana shaped plastic thru the foam
8) tape the foam back on the seat pan
9) reinstall the seat cover over the pan again
10) you now need to stretch the seat cover tighter then the factory to reduce wear in the area that you removed the foam from. this can be done by stapling the leather again into place (a high powered stapler is required to penetrate the plastic) or you can use pop rivets (which is what I used) to secure the seat cover again.
I am sorry I do not have pictures for this but I wasn't sure how this was going to work out or if it was going to make a difference. I can honestly say that this was the best thing I could have done to improve the comfort of my bike. I no longer get any pain from my seat and best of all this can be done for less then $20. if anyone needs help or more info just let me know.

good luck!
 

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I have the same problem with tailbone pain after riding a good distance. Let me ask, I am thinking that wouldn't ADDING foam instead of removing it be better. Just thinking outloud now. Other than my tailbone pain,,,,,I LOVE MY BIKE. Do you by chance have a drivers backrest yet? I have a Utopia ordered that will be delivered after June 4th, may try your mod before that tho. :)
 

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Discussion Starter #3
I have a friend that does custom car seats and he told me that by adding more foam or a gel insert wasn't going to change the fact that the seat was causing a pressure point. He explained that the surrounding area needs to absorb your weight to relieve that pressure point. To do that meant to add more foam to the surrounding area or remove foam to achieve the same result. I chose to remove the foam to maintain a stock seat appearance plus I had all the tools to do the job so it was free. He builds the nicest seats I have ever sat in so I trust his opinion and honestly he was right. No I do not have a back rest and now that I modified me seat I really don't think I will need one.
 

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That does make sence !!!! I will try your mod this week (on vac all week) I am a big guy at 6'2"...300#...keep us updated on how the tailbone feels in rides to come. Where are you from defient ??

SAFE RIDING !!!!!
 

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Discussion Starter #5
Well I did just over 350 miles today and it felt great! I'm in phoenix and all the riding I do is fairly long so seat comfort is a must. Just remember to go slow with removing the foam. I put the pan back on the bike and kept putting the foam back on just to test it out until I found a level that was good for me. I'm also 6' about 250# so I bet you will be fairly close to what I did....good luck!
 

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Kind of did this, but paid someone. Removed larger area and put in gel. better, but I've never had a seat I didn't have to get off of to take breaks to last out a full day of riding. Ask any orthopedic, at some point you will build a pressure point and reduce blood flow and only way to restore it is to get off. What you did will reduce it for a while, but sooner or later other area taking up the weight will get sore.

That's why they move people around in hospital beds, they get bed sores and can actually get sores/infections from lack on blood flow and their on a mattress.
 

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I fixed my sore butt by sitting on an AirHawk. I also have a sheep skin covering the Hawk. Adds a little height but is ok. These two items also help (a lot) with the hot seat issue.
 

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Thanks for the tip Defiant! I get terrible tailbone pain on my XC and I have been planning on doing a mod like this for a while now. I'm glad to hear that it is not that difficult. I'm going to try this soon because if it works it will be the best mod that I ever perform on my bike.

According to your instructions the seat cover isn't glued to the foam of the seat. Is that correct? I always assumed the seat cover was glued on. Thanks!
 

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Discussion Starter #9
Nope no glue. The foam is taped to the pan at the corners and the cover is held down by the staples around the base. Once you get the foam free turn it over and you will see a plastic banana shaped thing stitched to the cover. Turn that sideways and push it thru the slit in the foam and your cover will be completely removed. Good luck!
 
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