1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Pinned DIY Nickel Plating

Discussion in 'Tech Tips' started by my67xr, Sep 30, 2016.

  1. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

    Messages:
    2,821
    Likes Received:
    1,657
    Trophy Points:
    798
    Joined:
    Jun 18, 2016
    Gender:
    Male
    Occupation:
    Panel Beater, Spray Painter, Custom Fabricator
    Location:
    Adelaide, South Australia
    My Bike:
    Yamaha's, 1990 FZR250R 3LN3 , 1986 XT250TS 57R , 1984 IT200L 43G
    With that idea you would also need to remove some material off the bottom of the needle clip shim to compensate for the thickness of the rivets' 'top hat', otherwise it would raise the needle in the needle jet making it run richer, but that is easy enough
     
  2. ruckusman

    ruckusman Well-Known Member Premium Member Dirty Wheel Club

    Messages:
    1,452
    Likes Received:
    722
    Trophy Points:
    518
    Joined:
    Oct 1, 2013
    Gender:
    Male
    Location:
    Narrabeen, NSW Australia
    My Bike:
    Yamaha FZR250 3LN1
    yeah I bought some 3mm I.D. nylon washers from Jaycar for that purpose, potentially I could do a second inverted tophat - sitting brim to brim with the lower one and the nylon washer on top to rest the e-clip on to get the correct height

    Now where is @maelstrom with the pending acquisition of his microlathe :)
     
  3. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

    Messages:
    2,821
    Likes Received:
    1,657
    Trophy Points:
    798
    Joined:
    Jun 18, 2016
    Gender:
    Male
    Occupation:
    Panel Beater, Spray Painter, Custom Fabricator
    Location:
    Adelaide, South Australia
    My Bike:
    Yamaha's, 1990 FZR250R 3LN3 , 1986 XT250TS 57R , 1984 IT200L 43G
    With the rivet going through the bottom of the slide i don't think you'll gain much, from memory the bottom face of the slide isn't that thick.
    You cant really have anything hanging out the bottom as it will affect the flow of air past the top of the needle jet, which will restrict the amount of fuel it'll draw out on the main jet circuit


    Lathe/Mill/Drill combination $245 AU shipped to Thailand- https://www.aliexpress.com/item/6-i..._1&btsid=4334d7c4-7f26-458b-ac98-3be9e52e6413
     
    Last edited: Oct 2, 2016
  4. ruckusman

    ruckusman Well-Known Member Premium Member Dirty Wheel Club

    Messages:
    1,452
    Likes Received:
    722
    Trophy Points:
    518
    Joined:
    Oct 1, 2013
    Gender:
    Male
    Location:
    Narrabeen, NSW Australia
    My Bike:
    Yamaha FZR250 3LN1
    The rivets get trimmed to the thickness of the slide lower, ~2mm, that's not what provides the rigidity, it's the super snug fit onto the needle.
    The nickel plating can be used to get that needle to hole tolerance/clearance down to near zero, so no slop whatsoever.

    The needle now has effectively a 10mm flange with the pressure of the full length spring onto the floor of the slide cavity to keep it flat
    Best part is when that needle is most exposed, with the least supported end in the venturi, at higher throttle openings, the slide return spring pressure is at it's greatest.

    Mr @maelstrom I suspect has a perfectionist streak - I think something more like this is on his wish list - though I think he mentioned CNC functionality
    http://www.ebay.com.au/itm/SIEG-Sup...0W-Lathe-Mill-Drill-Combination-/301992521451
     
  5. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

    Messages:
    2,821
    Likes Received:
    1,657
    Trophy Points:
    798
    Joined:
    Jun 18, 2016
    Gender:
    Male
    Occupation:
    Panel Beater, Spray Painter, Custom Fabricator
    Location:
    Adelaide, South Australia
    My Bike:
    Yamaha's, 1990 FZR250R 3LN3 , 1986 XT250TS 57R , 1984 IT200L 43G
    Ok, just checked the thickness at the base of the slide's of my 3LN3 carb's, it's 8mm thick
    My original needle clip shim's are quite tight on the original needle's, the original plastic spring seat's are a touch smaller i'd than the Keyster one's
     
    • Like Like x 1
  6. sharky

    sharky Well-Known Member Premium Member Contributing Member

    Messages:
    420
    Likes Received:
    284
    Trophy Points:
    273
    Joined:
    Aug 5, 2016
    Gender:
    Male
    Occupation:
    daredevil
    Location:
    Tweed heads
    My Bike:
    kawasaki zxr 250c
    Where did you get the nickel sulphate from? @my67xr
     
  7. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

    Messages:
    2,821
    Likes Received:
    1,657
    Trophy Points:
    798
    Joined:
    Jun 18, 2016
    Gender:
    Male
    Occupation:
    Panel Beater, Spray Painter, Custom Fabricator
    Location:
    Adelaide, South Australia
    My Bike:
    Yamaha's, 1990 FZR250R 3LN3 , 1986 XT250TS 57R , 1984 IT200L 43G
    I got it from a Shop about 10 min's from me, it's call Adelaide Electroplating Distributor's or AED for short
    If you want some i might be able to send it up in the post i still have a fair bit left from memory, i'll have a look
     
    • Like Like x 1

Share This Page