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Search results

  1. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Awesome! If my calculations are correct, that amounts to 0,44liter/minute. I managed to fix the biggest petcock, and when I flow tested it, I got 170ml/30sec with fuel filter and 230ml/30sec without filter. It's an easy choice then to ditch the filter. Now that I'm getting 0,46 liter fuel/minute...
  2. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Well.. I've done a couple of comparisons with regards to flow of fuel. I'm starting with three pictures. You can see the combinations of filter+hose/hose/no hose. Time to flow is 30 seconds and measurements are in milliliter. The reason is this; when I tested the bike last fall with the little...
  3. LarsKroghStea

    heavy clutch

    Thanks for sorting this out, I'll bookmark this thread and go over the same procedure on my '81 gs750 when I've sorted some other stuff that's higher up on the list. -Lars
  4. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Thanx :) Installed the speedoconverter and tested it yesterday. Worked almost as I hoped. It was a bit shallow and I had to shim the lid a bit to get it working. The worst thing though was that the hexagonal holes that were intended to keep the nuts from spinning wasn't working properly. I...
  5. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    So, I went to pick up the last 3D-printed part. It was a little bit skewed, but I don't mind as I'm going to sand and paint the parts anyway. I think the whole setup looks awesome, and I'm a little bit proud to have designed my own 3D-printed parts (I know I'm a little bit biased ;) ). Anyhow, I...
  6. LarsKroghStea

    JohnnyL's 1980 GS550L Cafe Build

    This is an amazing build,man. You should be very proud of the result! When I was reading through the thread and saw the first muffler (the black one, it looks just like my Kerker exhaust from the mid 80s), I thought you should try going the same route as med and ditch the muffler and build it...
  7. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Today I measured the "speedo A/D converter" and redesigned the housing to not be so bulky. I saved a lot of space by flattening the inside of the housing so it only builds 1mm from the forkleg. Top pictures are the old ones, bottom two is the file I sent to my friend for printing...
  8. LarsKroghStea

    New sprockets and chain

    Nice bike!
  9. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    And here's the back side of the cover. The two "pockets don't look pretty, but the holes line up with the cover and they're hard to see through the small holes: P?ska by Lars Krogh-Stea, on Flickr
  10. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Also got the first sidecover done (not with the final paint..). I've had those perforated stainless steel sheets laying around forever and finally got around to use them. I wanted to be able to remove them easily and for that reason I've kept the original mountingpoints on the frame. First I...
  11. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Got the fuel problems sorted today :) Firstly, there was a slight kink in the fuelhose. Secondly, and more important, the fuel cap venting mekanism wasn't letting air in and out of the tank. Fascinating how fast the vacuum stops the flow of gas. Now it runs as smooth as it did with the small...
  12. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Thank you for your opinions :) I will go for the large headlight and probably make a little dent at the bottom of the dome so I can position it a little lower. It's also a great idea to give it the same finish as the rest of the bike. I will keep the "worn/bare metal"-look and add that to the...
  13. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    48737553807_0a319a6834_o by Lars Krogh-Stea, on Flickr 2019-09-18_10-45-33 by Lars Krogh-Stea, on Flickr I'm not that satisfied with the headlight.. It looks too small, and the profile is too deep wich makes it stick out too far. I still have the first headlight i bought lying around. At...
  14. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Here are the two parts I printed today. I haven't sanded the edges or removed the tape or anything. Just wanted to see if it fits, and I'm impressed with the opportunities a 3d-printer brings to the table: IMG_20200301_181733 by Lars Krogh-Stea, on Flickr IMG_20200301_181846 by Lars...
  15. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    So.. work has taken a lot of time the last few months, but I'm back :) Still working on the design for the petcock, but I've also come up with a solution for the pickup for the digital speedometer. I'm using the original gear on the front axle and the original wire. I've then cut the coupling...
  16. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Thought I'd give it a try :)
  17. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    As the season came to an end without me getting the bike on the road, I now have a few months to sort out the problems. First off I decided to make some new parts (again). Here's a teaser for what's to come, a rendering of the first part of a new device: v5_2 by Lars Krogh-Stea, on Flickr
  18. LarsKroghStea

    Norwegian 1979 GS500E restoration.

    Velkommen til forumet (ser at du ikke er helt ny.. :) ) Kos deg med restaurering i vinter :) (Welcome message in Norwegian ;) )
  19. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    I also took apart the china-petcock, and there's no mystery why it doesn't hold tight. Adding to that, it had become almost impossible to switch between positions because of the expanded rubber. Note that there's no O-ring or even slot for O-ring on the base plate for the "handle"...
  20. LarsKroghStea

    1981 gs750 (gs750e) Retro Racer project

    Didn't really have the spare time, but wanted a solution for the leaking petcock. I ordered a better quality petcock, made in Italy. Although the quality was awesome, it didn't look like it would flow nearly enough for 4 carbs. Inside the tall screen there is at thin plastic tube with an ID of...
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