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Search results

  1. T

    Rear disc rotor 1980 GS850G

    I sent it away to MetalFast as suggested by PeteGSX. They are going to fix it with bolts and Nylocks not rivets. In hindsight, I probably could have done this myself but i was unsure if the clearance could be an issue. It was reasonably inexpensive. At least I'll know for next time
  2. T

    Rear disc rotor 1980 GS850G

    Hi Pete, no I haven't heard of them. This is great news! I was sure there must be some place that does this but i had no idea where to look. I'll try them tomorrow, thanks 😀
  3. T

    Rear disc rotor 1980 GS850G

    Yes Syd, they are definitely stamped 6 mm. My rotor is just over 6mm on the edge and just under (5.8mm) toward the centre. I'm considering just leaving it and seeing how it works. It would be a bit of a shame though as every other part of the braking system has been refurbished including...
  4. T

    Rear disc rotor 1980 GS850G

    Thanks bwringer, the hole size on the new rotor is 6mm. I can source 6mm solid steel rivets but I've never done this before. I will do some research and see if it is doable. Maybe I will take it to a shop and see if they can do it
  5. T

    Rear disc rotor 1980 GS850G

    Hi Grimly, yes that's a possibility but it's not that easy to source a complete wheel where im located (Sydney Australia). If i could find one it would probably cost more than the price of a new rotor
  6. T

    Rear disc rotor 1980 GS850G

    Hi all, I need to replace the rear brake rotor on my gs850g as it is less than 6mm thick and has gouges in it. I bought a new rotor but it didn't include the center piece. It looks like the old rotor is fixed to the centre piece with 9 steel rivets. Does anyone know the procedure for fixing the...
  7. T

    1980 GS850GT top end rebuild - head machining

    Thanks Nesslm that's good advice.
  8. T

    1980 GS850GT top end rebuild - head machining

    Hi all, I'm in the process of replacing the pistons and rings in my 1980 GS850. I found the surface of the head where it joins to the cylinders is pitted. It is only very slight, but easy to see (photo attached). Can someone tell me if I need to have it machined? The old head gasket still...
  9. T

    GS850G won't go into gear from idle

    Good idea. I think I'll try riding it around a bit to see if it loosens up before I pull it apart. Thanks Kiwi
  10. T

    GS850G won't go into gear from idle

    No not yet. I will check that first
  11. T

    GS850G won't go into gear from idle

    Hi, I wonder if someone can help me. I've recently taken into possession a 1980 GS850GT. I have got it running and fixed the brakes and am keen to take it on a test ride. However, I can't shift from neutral to first or second gear as it grinds horribly. I can start the bike in any gear with the...
  12. T

    New GS850G owner

    This is my third GS. This one is a rusty non-runner. I'm hoping it's restoration will keep me entertained for the next year or so. I also have an SV650 which I ride about once a week in the twisties. We have good roads for motorcycling where I live (about an hour away). I have used this website...
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