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jonny1bump

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Posts posted by jonny1bump

    Seized mixture screw

    in Oil Cooled

    Posted · Edited by jonny1bump

    I had to do mates carb 3 good and  one stuck solid ? had to drill on mill what a pain very time consuming. Can't even use easy out as brass spreads and makes matters worse. Just have to drill  drill and drill some more in increments. Bad enough doing your own let alone getting talked into doing someone else's. Won't be doing that again

     

    CV Carb mod to replace plastic washers, which locate under needle circlip that wear out.

    in Oil Cooled

    Posted · Edited by jonny1bump

    A shim won't hold needles square.

    The original plastic spacers would still rotate and wear out with that idea.

    Your right about mill and to be fair as my mill is manual I sweet talked a friend who has cnc  to make loads at real cheap rate to help the members of this forum. I'm sure we got some left, I would just need to deburr which won't take long.

     

    CV Carb mod to replace plastic washers, which locate under needle circlip that wear out.

    in Oil Cooled

    Posted

    On 7/22/2019 at 6:55 PM, minipower said:

    Since I want to set up my carbs I fist need to get them upo to spec.

    This modification is on my to-do list.

     

    But I have to ask, why not drill the slide so it has a flat bottom?

    Fil the bottom up with a 2mm spacer and the needle sits straight.

    Best regards,

    Minipower

    How do you propose to drill slide accurately.

    You need to be careful to do this and to advise peeps on here to do that I feel is tad dangerous.

    1. You need to clamp slide well, and clock it up square,  it's only plastic remember.

    2. You would have use very sharp flat bottom drill, or end mill, which most on here will not have.

    3. You need to use mill really so you can control depth accurately too.

    4. Any variation between slides will alter carb settings on very sensitive 40 mm carbs.

    Or use a CNC spacer which all same thickness and drop straight in.

    Complete no brainer really, I personally would not risk scrapping a slide if your not careful but you certainly should not suggest this to peeps on here who listen to our advice and take it verbatim.

    Jon.

     

    Dyno Day Sunday 21st July

    in Events

    Posted

    3 hours ago, Duckndive said:

    when I put the slider clutch in I split the front callipers to individual cylinders the one that was cable tied to the forks is normaly on the l/hand side and is used for the burnout as holding the brakes on the R/hand and getting it wound up was a bit of a problem  ..

    I have to admit thought was rear brake at first. Thought ya going wheelie attempting. 

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