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carburetor

  1. Eric Maro
    Thread

    1982 XJ750 I'm trying to install the carb to cylinder transition piece Xj750

    NA 1982 Xj750 Seca I'll call it the manifold boot, seeing as it is both a boot and a manifold! Huzzah! I'm trying to install the manifold boots...
    Thread by: Eric Maro, Aug 23, 2025, 1 replies, in forum: XJ Technical Chat
  2. Joyce Marcou
    Thread

    Another 1982 550 Maxim

    I just bought myself a 1982 550 Maxim. The starter switch is in two pieces and unattached to the handlebar. The previous owner told me it needed...
    Thread by: Joyce Marcou, Jun 13, 2025, 0 replies, in forum: Hangout Lounge
  3. Caleb A
    Thread

    XJ550 Carburetors

    Hey, I'm after a set of carburetors for my junky 550 that I bought about a year ago. Same old story, been siting for years, except this one caught...
    Thread by: Caleb A, Nov 4, 2024, 0 replies, in forum: For Sale, Trade/Swap, Wanted
  4. co.dirtbiker
    Thread

    XJ900 Seca Saga Continues...butterflies and throttle shafts

    To catch up for anyone that missed my previous post where I discovered that someone had replaced the #1 carb on my newly acquired '83 XJ900 Seca...
    Thread by: co.dirtbiker, Oct 26, 2024, 5 replies, in forum: XJ Technical Chat
  5. co.dirtbiker
    Thread

    Wanted Mikuni BS35 carb(s) for '83 XJ900 Seca

    I discovered that the previous owner had damaged the #1 (clutch side) carb and tried to replace it but put in a BS36 instead of a BS35. Obviously,...
    Thread by: co.dirtbiker, Oct 5, 2024, 2 replies, in forum: For Sale, Trade/Swap, Wanted
  6. co.dirtbiker
    Thread

    Mismatched carbs on '83 XJ900

    You may have seen my other thread on some questionable wiring under the seat on my recently acquired XJ900 Seca. That was the easy fix. Yay. This...
    Thread by: co.dirtbiker, Oct 5, 2024, 5 replies, in forum: XJ Technical Chat
  7. Jake Bane
    Thread

    For Sale Hitachi HSC32 Carb

    Hey all, I recently purchased a replacement engine for my 650 Seca (non-turbo) and the guy I bought it from threw in a bunch of extra stuff that...
    Thread by: Jake Bane, Oct 21, 2023, 8 replies, in forum: For Sale, Trade/Swap, Wanted
  8. DaRealSanti
    Thread

    Carburetor float valve needles, Jet needle assembly, Needle Jet

    What's going on, I am looking for some used parts someone is willing to part ways with. Does anyone have flat valve needles, Jet needle assembly,...
    Thread by: DaRealSanti, Jul 6, 2023, 6 replies, in forum: Reviews - Service, Online, Retail Shop
  9. DFinchy23
    Thread

    Just Bought My 1980 XJ650 Maxim and have questions

    I recently bought a 1980 Yamaha XJ650 Maxim. Seems to be in ok condition. Changing out the starter solenoid and battery. Was able to get it to...
    Thread by: DFinchy23, Apr 18, 2023, 20 replies, in forum: XJ Technical Chat
  10. Karl Morgan
    Thread

    Pilot jet

    Hi, I have an xj650 maxim, 1981, US model imported to the UK. I bought the bike seized, and whilst waiting for rebore I have stripped and...
    Thread by: Karl Morgan, Dec 19, 2022, 18 replies, in forum: XJ Technical Chat
  11. Samuli
    Thread

    Stalling XJ 900s Diversion

    So, I cleaned the carbs, checked and adjusted the valves (and changed oils front & back, changed the air filter also). I followed the instructions...
    Thread by: Samuli, May 11, 2022, 11 replies, in forum: XJ Technical Chat
  12. JPaganel
    Thread

    Float levels not wanting to set

    I haven't been around here very much in recent times, and I have mostly divested myself of the XJ collection. I am now down to two Yamaha...
    Thread by: JPaganel, Aug 8, 2020, 7 replies, in forum: XJ Technical Chat
  13. hedgehog
    Thread

    '82 XJ550 mixture screw problem

    Hi Folks, I've got a 1982 XJ550R Seca, doing a carb clean and partial rebuild: new needle valves, gaskets, o-rings, and also replacing 2 of the...
    Thread by: hedgehog, Jul 11, 2020, 14 replies, in forum: XJ Technical Chat
  14. Arron Tate
    Thread

    Main Air and Pilot Air size

    Hello All, Newbie here :) Can anyone provide the size of the following jets. Jet, Pilot Air = 4H7-14949-45-00 Jet, Main Air = 4H7-14928-16-00...
    Thread by: Arron Tate, Jun 29, 2020, 7 replies, in forum: XJ Technical Chat
  15. Maxwell Partridge
    Thread

    Carb intake question

    So I'm going to be putting a single pod filter with a rigged up intake manifold on my XJ 750 with 4 carbs. I just took it through the church of...
    Thread by: Maxwell Partridge, Mar 26, 2020, 9 replies, in forum: XJ Technical Chat
  16. mwmatt
    Thread

    XJ650 '80 Air Cleaner Joint

    The airbox-to-carb rubber boots on my 1980 XJ650 Maxim don't seem to be long enough to reach the carburetor. After looking at the schematics, the...
    Thread by: mwmatt, Oct 31, 2019, 6 replies, in forum: XJ Technical Chat
  17. Kurtis Scotti
    Thread

    1986 XJ700 carburetor compatibility

    Hey all, I recently bought an 86 XJ700 for $50 from a friend and it’s been sitting for a while but after a thorough cleaning of the carb it fired...
    Thread by: Kurtis Scotti, Oct 14, 2019, 5 replies, in forum: XJ Technical Chat
  18. turpentyne
    Thread

    Dry and wet-set Fuel levels

    Well, since the bike seems to be workin'... I guess I somehow managed to get this mostly right! So, I'll share the video of what I did. Aside...
    Thread by: turpentyne, Feb 1, 2019, 6 replies, in forum: XJ DIY How-To Videos
  19. wcd
    Thread

    Carb diaphragm replacement

    Alrighty folks, here's the sitch. I ordered some carburetor slide diaphragms for my '82 750 Maxim. I have a small tear in one of em and the other...
    Thread by: wcd, Aug 7, 2018, 32 replies, in forum: XJ Technical Chat
  20. MechE
    Thread

    Carburetor Cover & Special Screw

    I was curious how important the "Cover" (#13) is that is screwed into the carb body over the main and pilot air jets. I have a rack of carbs and...
    Thread by: MechE, Apr 18, 2018, 2 replies, in forum: XJ Technical Chat
  21. turpentyne
    Thread

    removing stubborn carb. butterfly valve

    Finally back to working on the Maxim. I'm breaking down the hitachi carbs to rebuild. As is the way with Murphy's law, I've got everything taken...
    Thread by: turpentyne, Mar 17, 2018, 1 replies, in forum: XJ Technical Chat
  22. xxxKuTxxx
    Thread

    Air filter and jet kit

    Hello. I have just bought me 1986 XJ700 Maxim and I have fallen in love with it. Happy with power and everything, but I want it to run as smooth...
    Thread by: xxxKuTxxx, Dec 2, 2017, 14 replies, in forum: XJ Modifications
  23. CurleyJ00
    Thread

    XJ550 Maxim Carburetor

    I got my XJ550 Maxim running but the carburetor still leaks gas from #3 and #4. I replaced the bowl gaskets but it still leaks. Any suggestions?...
    Thread by: CurleyJ00, Mar 25, 2017, 23 replies, in forum: XJ Technical Chat
  24. Matthew Lipski
    Thread

    First time jetting a motorcycle.. ALL HELP WELCOME!

    Let me start by saying this... I ALREADY KNOW I SHOULDNT HAVE TAKEN OFF MY STOCK AIRBOX... And I wish I would have known about this site long...
    Thread by: Matthew Lipski, Apr 12, 2016, 8 replies, in forum: XJ Technical Chat
  25. Datt Mtn
    Thread

    Tips for getting carbs back in?

    Looking for any tips and tricks that you guys use to get the carbs back into the bike. I have the carbs out and cleaned and will be putting them...
    Thread by: Datt Mtn, Mar 31, 2016, 4 replies, in forum: XJ Technical Chat
  26. Datt Mtn
    Thread

    Inconsistent idle issue

    Hello, I am so happy to say that I have finally ridden my SECA!! It has been a little while since buying the bike in Jan till now and a bit more...
    Thread by: Datt Mtn, Mar 21, 2016, 4 replies, in forum: XJ Technical Chat
  27. Kevin Beckner
    Thread

    Not starting

    So I just got an 82 xj750 for $500...it started but only poped and sputtered and died as soon as it was given any throttle... I thought a simple...
    Thread by: Kevin Beckner, Feb 22, 2016, 20 replies, in forum: XJ Technical Chat
  28. Arc
    Thread

    Wanted 1983 xj650 parts wanted

    hey everyone i need a few things to get my 650 back on the road. im looking for carbs parts mainly the connector pipes and the t fitting for the...
    Thread by: Arc, Dec 22, 2015, 2 replies, in forum: For Sale, Trade/Swap, Wanted
  29. Hans
    Thread

    XJ750 MM Newb Tinkerer

    Hi guys, I want to say hi to the community and thank everyone that's reading this, and to thank the community to build this forum in the first...
    Thread by: Hans, Dec 15, 2015, 2 replies, in forum: Hangout Lounge
  30. logan.va
    Thread

    82 XJ650 Repairs

    My recently purchased XJ650 Maxim was inspected only to fail majorly, I cannot afford the repairs a shop prices and will be forced to DIY the heck...
    Thread by: logan.va, Oct 7, 2015, 40 replies, in forum: XJ Technical Chat
  31. Mwovy
    Thread

    1985 Yamaha XJ700 Carburetor Tennis

    Back and forth, back and forth. I have been in a long and frustrating tennis match with my carburetor since buying the machine about 2 months...
    Thread by: Mwovy, Sep 17, 2015, 50 replies, in forum: XJ Technical Chat
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