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  1. K

    1989 BMW R80 build

    I'm having trouble removing the rear wheel on the R80. I've taken all bolts off and the wheel is loose as it rocks side to side but it won't come off. If I rotate the wheel slightly it get stiffer and feels like it wedges which she stops the movement. Any ideas? On another note, anyone know...
  2. K

    1989 BMW R80 build

    Thanks for the advice, I'll give them all a look.
  3. K

    1989 BMW R80 build

    Sorry for the late reply. The white rim and slick in the background is my pitbike supermoto which I have been racing in the British Minibike Championship this year (poorly I might add). Still haven't quite got my head round the speedo electrics so am calling upon some help of my father when he...
  4. K

    1989 BMW R80 build

    Update. I’ve relocated the ignition with the headlight bucket. Not able to check whether I’ve done it correctly at this stage at bike is in bits. I’ve also got an Acewell Speedo to install and have hit a stumbling block. The instructions are quite vague. I’ve snipped the rubber head that used...
  5. K

    1989 BMW R80 build

    Thanks for the reply. I won't be running side covers so doubt I'll move back the ignition that far back. Did you purchase a new ignition and how did you fix it solidly to the side cover? What I'm struggling with is if I decided to move somewhere on the frame I'm not sure how to fix it securely.
  6. K

    1989 BMW R80 build

    I've got some of that metal rescue in the tank as we speak and will have to rotate the tank as the week goes on. Hopefully it works as its not cheap. I have dismantled the bike to just the frame and engine. I'm starting to rebuild from the front then move down the bike. Does anyone know...
  7. K

    1989 BMW R80 build

    I'm not finding flat racers website great to use. A lot of stuff seems part of a package. If I can only find 38mm/39mm is it best to go with 38 and file away or has anyone got any other suggestions?
  8. K

    1989 BMW R80 build

    Going with metal rescue in the end. Have wet sanded the tank with gravel inside and its was a pain in the arse to get back out. These tanks are huge. Anyway will put the solution in some time this week. On another note I'm looking for some clip ons over here in the U.K. The forks are 38.5mm but...
  9. K

    1989 BMW R80 build

    Does anyone have guidance on neutralising the tank after using the acid. I've seen baking soda and water but what type of measurements are we talking and how long to leave in the tank? Thanks
  10. K

    1989 BMW R80 build

    I think I'll use filters just in case. Does anyone know where you can obtain the phosphoric acid solutions over here in the UK? Would using Coke be sufficient? I think I would start with the water gravel combo to get the big chunks off then go with the acid. Once at the end of the process and...
  11. K

    1989 BMW R80 build

    I would say the tank is fairly rusty. I'm not sure if the nuts and bolts will clear it all. The bike runs and the previous owner had the carbs ultrasonically cleaned. Has anyone used any of that Metal Rescue stuff, it looks good. Would be expensive though to fill the r80 tank with it.
  12. K

    1989 BMW R80 build

    Thanks for the reply. I intend to keep the engine and suspension stock and just service them. I've had a look inside the gas tank and it's thick with rust. Before I run the bike for any period of time I want to clear this. I'm not keen on going down the acid route, what are the best alternatives?
  13. K

    1989 BMW R80 build

    Hello all, Just fresh back from collecting my R80. I'm hoping to achieve something similar to this http://www.bikebound.com/2016/04/13/bmw-r80-cafe-racer/ I will keep the thread as up to date as I can. I suppose my first question is, where is the best place to start and is there any must...
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