ChrisE Posted September 27, 2005 Share Posted September 27, 2005 Does anyone have a picture of the balancer adaptor for a R1200GS or RT, thanks. Link to comment
EricJRW Posted September 27, 2005 Share Posted September 27, 2005 I can't answer your question, but thought I could be a wise guy with an Internet search... Well I didn't find it, but I did find this which I thought was rather intersting... http://www.clarity.net/~adam/tire-changing-doc.html Link to comment
SCOTTinNJ Posted September 28, 2005 Share Posted September 28, 2005 Chris, I've got the Marc Parnes balancer and I'm fairly local. You can check it out in person if you'd like. Link to comment
codinn Posted September 28, 2005 Share Posted September 28, 2005 I have one and it looks like this: Marc Parnes BMW Paralever Balancer EXCEPT both the cones are the long one. Link to comment
ChrisE Posted September 28, 2005 Author Share Posted September 28, 2005 Scott, we should definatley hook up at some time. I have a balance stand and balancer adaptor for a Ducati 996, but yesterday I changed a rear tire on a friends R1200GS and couldn't balance it. Since I've just bought a R1200RT, I figured I'd get the Marc Parnes setup but would liked to have seen what it actually consists of. Anyway, after I placed the order, Marc emailed me and asked if I could take photos of it in use and send them to him. Link to comment
EricJRW Posted September 28, 2005 Share Posted September 28, 2005 Co, very good link... Never really thought about this much... I guess the machines used for automotive tires made me think this was way more complicated... So, unlike a car tire, does a motorcycle tire not require balancing on both sides? This seems to be the case, but harder to believe... perhaps due to a (typically) more narrow tire? Link to comment
codinn Posted September 28, 2005 Share Posted September 28, 2005 Eric, All of the balancing instructions I looked at were variations on the same theme; that is, they suggested centering the weights equally around the centerline of the wheel. I chose this balancer because of its compact size and simplicity. I don't use a stand, just two upside down 5 gallon plastic pails leveled with a spirit level. Works like a charm. There are good instructions on the Marc Parnes website. Oh, by the way, I forgot to mention that there is an adaptor plate that bolts to the rear wheel that is part of this setup. Link to comment
ChrisE Posted September 28, 2005 Author Share Posted September 28, 2005 Arrgh, that's more like it, I couldn't figure out how the cones were going to hold the wheel with the big hole it has in the center. The kit mentioned the adapter plate but I was hoping to see a picture of this before I bought. But no to worry, the kit should be here by Friday. Thanks Link to comment
SCOTTinNJ Posted September 29, 2005 Share Posted September 29, 2005 My balancer looks exactly like this and works fine on all my bikes, including the R1100S. I don't think the 1200 BMW's are much different. Link to comment
ChrisE Posted September 29, 2005 Author Share Posted September 29, 2005 Supposedly there is an adaptor plate for the rear wheel, I should have mine by tomorrow or saturday, I'll post pics when I get it. Link to comment
ChrisE Posted September 30, 2005 Author Share Posted September 30, 2005 Here the R1200RT/GS kit Link to comment
SCOTTinNJ Posted October 1, 2005 Share Posted October 1, 2005 Interesting. I don't need that plate for the R1100S . . . Link to comment
JohnJC Posted October 1, 2005 Share Posted October 1, 2005 Interesting. I don't need that plate for the R1100S . . . The rear wheel hub on the hex heads is nearly 3". The stock cones fall through, and a 3" cone would be silly, and expensive. Link to comment
SCOTTinNJ Posted October 1, 2005 Share Posted October 1, 2005 That explains it then. I didn't realize they changed the rear wheels with that new drive system. Link to comment
ChrisE Posted October 3, 2005 Author Share Posted October 3, 2005 Final post, balancer with adaptor plate in use. Link to comment
eakins Posted October 3, 2005 Share Posted October 3, 2005 Interesting. I don't need that plate for the R1100S . . . The rear wheel hub on the hex heads is nearly 3". The stock cones fall through, and a 3" cone would be silly, and expensive. there goes bmw doing something again completely out of the norm and causing problems. so what happens when you have a 12 rt/gs and you need a new rear tire on the road. bmw dealers in alot of parts of the country are rare but a Japanese dealer (who is in every small town it seems)has your tire and size. then the mechanic looks at your hole and says i can't balance that. maybe i'm missing something, please enlighten me. Link to comment
eakins Posted October 3, 2005 Share Posted October 3, 2005 Co, very good link... Never really thought about this much... I guess the machines used for automotive tires made me think this was way more complicated... So, unlike a car tire, does a motorcycle tire not require balancing on both sides? This seems to be the case, but harder to believe... perhaps due to a (typically) more narrow tire? i use a parnes balancer but i split the weights evenly on both sides of the rim for balance and looks. this is my method. -as per marc, find the heavy spot on the rim (no tire mounted). it will be the lowest point. the balancer works on gravity > heaviest at the bottom. the bearings are so smooth just mount it and let it spin(fall) to the lowest point (6 o' clock). mark this point. -mount tire (with the dot, which is the lightest part of the tire, at the heaviest part of the rim) & let tire spin to the heaviest point. i find the tire doesn't need a spin, it will just spin with the heaviest point at the bottom. -now the highest point (top/12 o' clock) is the light spot and you'll add weight here. mark the high spot. -using motion pro weights, temporarily tape them (scotch tape) at the light point. start with 2 (1 on either side). -now spin tire & position the weights at 3 o' clock. let it go. if the weights spin towards the top, you need more weight, if they spin to the bottom to have too much. -continue on if you need to add weight. add 1 at a time alternating sides. -when you get to the point when the tire does not spin when the weights are at 3 o' clock, the tire is mostly in balance. -spin it slowly and see if it stops (the weights) in different places. if the (original) heavy spot is still at the bottom add 1 more weight. this should be it. -now remove the weights & scotch tape. clean the rim with rubbing alcohol. remove the weight tape backing (i like to heat the rim first with a hair drier to assure a great adheasion). attach weights. -check the balance. sometimes when the weight of the scotch tape and the weight tape backing is removed, it throws of the balance (make the weight area lighter). 1 more weight might be needed. i've had to cut the last weight one in half before to get it exact. -done & it's a fun thing to do and VERY satisfing. Link to comment
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