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  1. M

    Valve spring replacement??

    Ok, I'll put it back together with what I have. Not going to be a hot rod. I measured at the longest part of the spring, not flats. For fun I think I'll test them for force using a press and scale.
  2. M

    Valve spring replacement??

    I'm putting my 75 cb360 project back together with new rings and am finding the free length of my inner valve springs severely short of the 1.5709" service limit. I'm at 1.510" consistently. My outer springs free length are around .010 to .020" short of the service limit 1.8819". Do I need to...
  3. M

    cb360T cam and piston replacement?

    I have all my parts to start putting this thing back together. But... with my new bore gage I checked both my pistons and at the very top they are .001" outside of the service limit measured front to back. 1/2" down into the cylinder I am right at the service limit spec of 2.6417" . What am...
  4. M

    cb360T cam and piston replacement?

    I can PayPal or Venmo. Do either of those work?
  5. M

    cb360T cam and piston replacement?

    Sweet! Thanks a “ton”
  6. M

    cb360T cam and piston replacement?

    Boyd Knudsen 19255 450th Ave. Lake Norden, SD 57248 If sending USPS use PO Box 11
  7. M

    cb360T cam and piston replacement?

    I’d take the piston if you’re willing. My cylinders look good but something hammered the top of one of my pistons.
  8. M

    cb360T cam and piston replacement?

    So I have a pretty good cam from ebay now. I need new rockers, probably just gonna ebay a decent assembly for that too. Looking at my current rocker assembly, the springs on the rocker shaft seem to just ride on the cover and produce a binding feel when I move the rocker. Is that normal...
  9. M

    cb360T cam and piston replacement?

    I thought I read about a company that could refurbish the cam and supply new rockers awhile ago.
  10. M

    cb360T cam and piston replacement?

    Fouling plugs and low compression led me to do a top end tear down. Inspection of the following pics shows issues. piston and head had some object flying around and deforming them. The other piston looks great and the walls all look and feel good according to the fingernail test. Should I...
  11. M

    keihin/keihin carb swap

    Yeah and without filters
  12. M

    keihin/keihin carb swap

    My other thought is that it’s not my carburetion or fuel that is a problem at all. Would low compression hence oil blow by cause plugs to be filed within one 15 minute ride? The bike does smoke I’ll be exhaust and I’m pretty sure the compression is around 100 in both cylinders.It’s kind of...
  13. M

    keihin/keihin carb swap

    I have posted on this project previously, and specifically the diaphram carbs for my 1975 cb360t. I'm struggling with fouling plugs. The other carbs I've had success with were all cable operated slides. I have a bank of four keihin with an outlet diameter of 30mm that I'm wondering if I could...
  14. M

    old floats

    I did that and they floated, but is it possible with the foam type floats that they get partially soaked and ride low but don’t sink? Causing a rich flooding out situation?
  15. M

    old floats

    I have a 75cb360T that I've been trying to diagnose off and on for about a year. It is getting way too much fuel and float level has no effect. I have rebuilt the carbs using the old brass and sync'd them and messed with many different float levels all to no avail. The bike will run but fouls...
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