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About blueflag

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    Beta Evo 250, Bulto,

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  1. blueflag

    Cool electric trials video

    Nice video, once the price comes down a bit I'll be looking at one.
  2. blueflag

    Newbie Alert first pre 65 trials bike

    If you can give me the O/D, I/D and overall length I'll look it up. I have an SKF catalogue in work. I should be able to identify the bearing.
  3. blueflag

    Debbie Evans "Trailblazers 2018 Inductee"

    Very interesting...
  4. blueflag

    Gefrees 04-05.08.2018

    Mobility scooter trials?
  5. I enjoyed the event, I also was disappointed at the lack of goodies to buy. Didn't notice the prices fluctuating but would have been annoyed if I had. Loved the craic and friendly atmosphere though.
  6. blueflag

    Is it just me?

    How did they get the ice cream van up there?
  7. blueflag


    Saw it happen, impeccable timing, must have hurt...
  8. blueflag

    M49 advice please!

    Kind words! I remember reading about a Japanese tuner in the 70s who would skim drums true, lace up the wheels then heat them up before a final skim. In my case, it's just laziness....🤣🤣
  9. blueflag

    M49 advice please!

    Thanks Craig, I know what you mean mate, feel like an active historian! So much I need to learn though!
  10. blueflag

    M49 advice please!

    It's got an interference fit, chill the liner and warm the hub to get it in. I can't see it getting particularly warm the way I ride! I put a little bit of loctite on the face just as belt and braces. I'm pretty happy with the way it's gone. I need to sort out some shoes, a brake rod and a new lever. Keeps me out of mischief... I know the finish has chatter by the way...😐
  11. blueflag

    M49 advice please!

  12. blueflag

    M49 advice please!

    Oh well, means I've got more time for other stuff! Thanks for the heads up.😎
  13. blueflag

    M49 advice please!

    Trying to find time to make and fit a new drum. Hopefully it'll be done this week. My mate has suggested going hydraulic on the rear, if I can find a suitable slave cylinder I'll have a bash. If I go ahead in the future I'll make a complete new brake plate to save ruining an original Bultaco part. 😎
  14. blueflag

    M49 advice please!

    Well, just finished machining the drum, it is indeed a cast - in liner. I've taken it out to the nominal diameter of the aluminium, I'm guessing 144 ish mm. Just got to sleeve the bearing diameter while it's set up and sort out a mild steel sleeve for the drum. Slowly getting there!
  15. blueflag

    M49 advice please!

    That was my worry, I won't be doing anything too demanding on the bike but I'd like it to stop!