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Discussion Starter #1
Ive got a good friend that purchased PM rims and tires as a package in Nove 2010. He still has not been able to get the bike to be right since purchasing them. The history is, he bought the wheels and tires as a set. a 21" front, and an 18 x 200 rear. The local dealer installed them and the front rubbed through his paint, and the rear was very squishy and wobbly. Unsafe levels of squishy. So after a few weeks of haggling, PM set a new wheel with a 180 tire. He had it installed and right away, the shuish was back. He called Metzler who makes the tires and they told him they dont recomend thier tires for baggers. ( not sure if that tire, or any of thier tires) So needless to say, he is bummed and after nine months, i dont blame him. My question is for all the guys out there with 18" wheels in the rear. What size tire and what manufacturer are you using? He is thinking this might be the only way to fix it is to go to a new tire manufacturer.
 

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Just my opinion and past experience, once you start changing things like tire size or shock heigth you start changing the dynamics of the bike.the frame and rake ect: Are changed when you change tire size. I lowered a road king 1" in the rear and it wobbled at low speed until i lowered the front end 1". I had changed the rake. Occ puts these big monster tires on thier bikes and says"rides great" but i'm not so sure. 18" tire had to change something.
 

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Discussion Starter #3
Its a lower profile tire as well, so the overall wheel height has stayed the same. When he goes back to his stock rear, all is good again. He has dunlop as a stock tire, but for some reason wants to put Avon on it. He asked me if I knew if it would fix the problem. I didn't, but thought if anywhere would have the answer, its here
 

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gonekat there was a post not to long ago on here saying something bout the tires and rim sizes it was prob bout a month ago sorry i dont know where it is but they were say some combos dont work well together and causes the prob your buddy is having
 

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Discussion Starter #5
gonekat there was a post not to long ago on here saying something bout the tires and rim sizes it was prob bout a month ago sorry i dont know where it is but they were say some combos dont work well together and causes the prob your buddy is having
Graybone,
that was me that mentioned that awhile back. This is the same guy. This sorta an undate to that. At the time i posted that, Metzler said an 18 x 180 instead of a 200 would fix it. It didnt. He has an 18 x 180 setup in the rear and its still squishy. I think its a sidewall issue, but i would wonder why Metler told him they arent for baggers. He was riding by himself, 220 lbs, no tourpack, so there couldnt have been that much weight on the bagger vs a std bike.
 

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Gonekat, tires have load ratings and I believe touring bikes have a rear tire rating just over 1000 lbs and the front tire around 650 lbs. Probably why your buddies tire manufacturer does not recomend their tire for his application. Dunlop also makes a 18x180 rear tire that fits the HD agitator rear wheel and comes stock on the FLTRSE and FLHXSE. Also I would be checking out that 21 front tire as well, just my 2 cents.
 

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I have run Metzler tires on a RK for 40k miles or so, 13 k miles on each and never a problem. Maybe its the model and not the brand of tire. I run the ME880 and have had no issues.
Just my 2 cents worth.
 

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Discussion Starter #9
I just rode to Boston with him last night. He said the back end is still squishy. He describes it as like the rear tire is real low or flat. He is riding an 09 SG. The rear tire is a 17 x 200 Metzler ME880. He is going to send it back and run a chrome version of the stock rear. I guess because you cant see too much of it anyway and he is tire of going around and around with PM.
 

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The stock tire has a load range of 1019lbs and according to Metzlers web sight there are 3 different tires in that configuration you gave and they could be as low as 853lbs in load range. Anyway guy I know had same problem with his 09 Ultra with same aftermarket set up on he rear
with a 200 tire. Swayed on him so bad once he had to stop and check himself. Anyway went back to MOCOs agitators with the Dunlop 407 and swaying is a thing of the past. Also ifyou get a flat out on the road away from home it's a PIA to get an off size tire from the dealer and lets face it if we're out of town or state that's who we'll most likely be calling. Good luck to your buddy getting this straightened out.
 

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The retards at the dealer SHOULD know that you can't install a 21 inch on the front without altering the fender mount and pivoting the fender to accommodate the height of the new wheel/tire.

I have always been amazed how monkeys get jobs at dealership service departments.:confused:
 

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Discussion Starter #14
Have you checked the swing arm shaft and bushings?
That was my first suggestion to him as well. But after hearing that when the sock rear was put back on, all the swaying stopped, ieliminated that as a cause. So am i to understand that the ME880 COULD have a load rating as low as 850 or so? are there different load ratings in the same tire model?
 

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Yes sir according to Metzlers web site there are three different 880 17x200 tires all with different load ratings. I would concentrate on the tire first.
 
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