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seca

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  1. Max B
    Thread

    New(ish) to carb tuning. Need advice/guidance.

    Okay, let me get the lore out of the way. I've done carb balancing/mixture adjustments in the past but never rejetting, so I'm a little confused...
    Thread by: Max B, Nov 26, 2025, 2 replies, in forum: XJ Technical Chat
  2. 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
  3. Neashfella
    Thread

    Engine for sale UK

    Anyone in the UK looking for an engine, last run around 8 years ago and dry stored since then, in really clean condition
    Thread by: Neashfella, Apr 6, 2025, 4 replies, in forum: For Sale, Trade/Swap, Wanted
  4. Adam E
    Thread

    LOOKING FOR xj650r Seca Gas Tank

    I have 1982 xj650r seca, and I am looking for a gas tank that is not rusted and is in good condition. Please let me know what you have.
    Thread by: Adam E, Mar 15, 2025, 18 replies, in forum: For Sale, Trade/Swap, Wanted
  5. co.dirtbiker
    Thread

    XJ-900 Seca Anti Dive Wire Clip Removal Aide

    In the process of trying to rebuild my anti-dives on my 1983 XJ-900 Seca, I ended mangling the little wire clips (XJ4EVER part# HCP21521) that...
    Thread by: co.dirtbiker, Mar 15, 2025, 0 replies, in forum: XJ 3D Printing & STL Files
  6. Henry Nguyen
    Thread

    Free Free Yamaha XJ600 Seca II Airbox Case

    Just pay for shipping Airbox boot joint fits 44mm carburetors ebay.com/itm/267140809229
    Thread by: Henry Nguyen, Mar 10, 2025, 0 replies, in forum: For Sale, Trade/Swap, Wanted
  7. R Barlow
    Thread

    For Sale 1982 Yamaha XJ650RJ SECA

    Still have my 1982 SECA up for sale. Tons of NOS parts. Maybe consider interesting trade. Tank is perfect, those are reflections. I have high...
    Thread by: R Barlow, Jan 2, 2025, 9 replies, in forum: For Sale, Trade/Swap, Wanted
  8. co.dirtbiker
    Thread

    Handlebar emblem for '81-'83 XJ750 Seca

    Uploaded another one of my 3D models for XJs on Thingiverse. This one is for a replica of the emblem that covers the screws on the handlebar pad....
    Thread by: co.dirtbiker, Oct 15, 2024, 6 replies, in forum: XJ 3D Printing & STL Files
  9. Bdroc20
    Thread

    83 XJ900 Seca Carb Kits

    Does anyone have a link to where they got their carb kits or know of another kit for a different bike that works for the XJ900? I have looked on...
    Thread by: Bdroc20, Oct 12, 2024, 2 replies, in forum: XJ Technical Chat
  10. MarkArbroath
    Thread

    Wanted UK XJ650 Seat or seat pan

    Folks, looking for a seat or seat pan for a UK XJ650 (hinged seat). Will be adapting and recovering the seat so any condition considered, cheaper...
    Thread by: MarkArbroath, Aug 26, 2024, 0 replies, in forum: For Sale, Trade/Swap, Wanted
  11. Noahsxj
    Thread

    For Sale 81-83 XJ900 Seca Airbox

    https://www.ebay.com/itm/186535707652?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=6uso_e-1Qse&sssrc=2051273&ssuid=6uso_e-1Qse&var=&widget_ver=ar...
    Thread by: Noahsxj, Jul 4, 2024, 1 replies, in forum: For Sale, Trade/Swap, Wanted
  12. Andrew Nichols
    Thread

    For Sale 1983 900 Seca

    Rare 1983 Yamaha 900 Seca, only 1,600 of these were sold in the USA. One of the early superbikes. Lovingly restored with a carb clean and synch,...
    Thread by: Andrew Nichols, May 16, 2024, 1 replies, in forum: For Sale, Trade/Swap, Wanted
  13. Jae Langlois
    Thread

    81' XJ 550 Seca

    Good morning fellow riders! I've recently acquired the rare 81 white 550 Seca for a great deal on marketplace. Only missing 1 side cover the...
    Thread by: Jae Langlois, May 6, 2024, 4 replies, in forum: XJ Technical Chat
  14. wideopen93
    Thread

    Wanted Xj550 4-into-1

    Anyone have a 4-into-1 for sale? Preferably kerker or mac, and chrome. I see the one on eBay, trying to avoid needing to clean and finish it...
    Thread by: wideopen93, Sep 19, 2023, 3 replies, in forum: For Sale, Trade/Swap, Wanted
  15. mistertee911
    Thread

    1982 XJ650RJ Seca - Reporting for Duty

    Killer 82 with less than 7700 original miles Am I crazy for considering moving on to a fuel-injected bike? I feel like with how infrequently I'm...
    Thread by: mistertee911, Aug 4, 2023, 3 replies, in forum: Hangout Lounge
  16. Jake Bane
    Thread

    Wanted HELP '82 Seca 650 parts!

    So I recently acquired an '82 Seca 650 that had been sat for many years, I saved it from the scrapyard and has now become my project. I worked...
    Thread by: Jake Bane, Jul 30, 2023, 7 replies, in forum: For Sale, Trade/Swap, Wanted
  17. Gavinwallen
    Thread

    Help with my 82' XJ550

    I've got a long one so feel free to answer in bits and pieces. I acquired this xj550 around a year or two ago in hopes of building a cool cafe...
    Thread by: Gavinwallen, Jun 18, 2023, 15 replies, in forum: XJ Technical Chat
  18. wesley shriver
    Thread

    82 XJ750 Brakes

    Hi! I bought my bike recently, fixed the carbs and got it running. I realized the front brakes weren’t working so I bled them. Now that I bled...
    Thread by: wesley shriver, Apr 18, 2023, 6 replies, in forum: XJ Technical Chat
  19. seca550RK
    Thread

    For Sale xj550 Seca RK Eastern PA

    Hi all, It's time I sell my xj500 with 16k miles. This bike was in good running condition but was put into storage six years ago when I moved out...
    Thread by: seca550RK, Dec 22, 2022, 5 replies, in forum: For Sale, Trade/Swap, Wanted
  20. Joshua Howard
    Thread

    Seca help

    Hey all. Newbie here. I’m gonna try reposting in the hangout sectio. Looking for some help. I have an 81 seca 750. Doing a full restore....
    Thread by: Joshua Howard, Nov 26, 2022, 6 replies, in forum: Hangout Lounge
  21. JP may
    Thread

    Seca 650 turbo parts

    I have 3 almost complete bikes also alot if parts. Parting out. Offers plus shipping thanks.[ATTACH][ATTACH][ATTACH][ATTACH]
    Thread by: JP may, Oct 4, 2022, 3 replies, in forum: For Sale, Trade/Swap, Wanted
  22. Tiavarone
    Thread

    Passenger Foot rest

    Hey guys, I am missing both passenger pegs, and I am trying to find out what size pegs I would need to mount up to the existing bracket. Would...
    Thread by: Tiavarone, Aug 31, 2022, 4 replies, in forum: XJ Technical Chat
  23. Dlawson20
    Thread

    XJ750 SECA Custom

    Posting this here to keep it documented somewhere else other than my phone. Also for any questions in the future. Thanks!
    Thread by: Dlawson20, Aug 11, 2022, 34 replies, in forum: XJ Modifications
  24. Tiavarone
    Thread

    1982 Yamaha Seca

    Hello all, I am new to the forum, I recently just purchase a 1982 Seca 750. I am look to swap out the bars to drag bars. I haven't pulled the...
    Thread by: Tiavarone, Jun 30, 2022, 22 replies, in forum: XJ Technical Chat
  25. Tom Seketa
    Thread

    For Sale 1982 Seca XJ650RJ

    Hello! The time has unfortunately come for me to sell my '82 Seca XJ650RJ. It has been a real pleasure to ride but I'm in the market for a new...
    Thread by: Tom Seketa, Jul 30, 2022, 6 replies, in forum: For Sale, Trade/Swap, Wanted
  26. WC82SECAXJ650RJ
    Thread

    Wanted 1982 XJ650 Seca wiring harness

    Anyone have a good used wiring harness or know where one can be picked up? The previous owner of mine botched theirs to add a bunch of lights and...
    Thread by: WC82SECAXJ650RJ, Feb 2, 2022, 4 replies, in forum: For Sale, Trade/Swap, Wanted
  27. Antothoro
    Thread

    Aftermarket XJ550 Mufflers

    My mufflers have holes in them. Looking for aftermarket options. Nothing that is too flashy or different from the OEM. What do ya'll use?
    Thread by: Antothoro, Sep 19, 2021, 8 replies, in forum: XJ Modifications
  28. nothinbutjets
    Thread

    Rebuilding my xj750 In my 82 Seca

    Alright so im giving up on trying to replace the starter clutch springs and rollers thru behind the alternator. I couldnt get the rotor off so I...
    Thread by: nothinbutjets, Jul 5, 2021, 2 replies, in forum: XJ DIY How-To Instructions
  29. nothinbutjets
    Thread

    1982 Yamaha Seca xj750 starter clutch repair

    Alright so I am new to this website and also to the world of bikes. So I just purchased a 1982 Yamaha Seca. I got it for $100. lol I think bike...
    Thread by: nothinbutjets, Jun 17, 2021, 24 replies, in forum: XJ Technical Chat
  30. John Bookout
    Thread

    1983 xj650lk Seca Turbo Start button and Spark

    Hello Everyone this is my first post and it comes after scouring the forum best I could and googling any and everything (xj4ever and xjcd the most...
    Thread by: John Bookout, May 30, 2021, 9 replies, in forum: XJ Technical Chat
  31. cdnjj
    Thread

    Nasty ticking at idle

    Still picking away at getting my old Xj650 Seca in running shape. Looking for any insights on this rather nasty knock/ticking coming from the...
    Thread by: cdnjj, Mar 8, 2021, 10 replies, in forum: XJ Technical Chat
  32. Jason Denman
    Thread

    81 XJ550RH Seca Spark Issues

    Hello, Needing some help getting my Seca back onto the road. I did a pretty big overhaul of the bike this winter but was pleased to hear it run...
    Thread by: Jason Denman, Mar 6, 2021, 9 replies, in forum: XJ Technical Chat
  33. Jason Denman
    Thread

    For Sale 81 XJ550RH Goodies

    I have a bunch of goodies off of my 550 Seca. Chopped the bike and took a bunch of stuff off for track days but everything is in good condition,...
    Thread by: Jason Denman, Feb 22, 2021, 0 replies, in forum: For Sale, Trade/Swap, Wanted
  34. Matthew Ryan
    Thread

    Maxim to Seca conversion.

    I recently acquired a 1980 XJ650 Maxim for a good price. It was missing the seat as well as the RH side cover and the tank had a dent on TOP of...
    Thread by: Matthew Ryan, Feb 22, 2021, 1 replies, in forum: XJ Modifications
  35. LPKirby
    Thread

    Wanted XJ 650 Seca Fuel Tank

    I recently purchased a maxim 750 tank and don't like the way it sits on my 650. I'm looking to buy or trade for a Seca 650 tank. The tank I have...
    Thread by: LPKirby, Oct 23, 2020, 7 replies, in forum: For Sale, Trade/Swap, Wanted
  36. 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
  37. Dalexander
    Thread

    Anyone know if this 81’ xj650 is a seca or maxim?

    [ATTACH] Just purchased this partially modified 81 xj650 on kijiji and I am not sure if it is a seca or not. I want to covert to a cafe racer, I...
    Thread by: Dalexander, Jun 23, 2020, 8 replies, in forum: XJ Technical Chat
  38. Random
    Thread

    XJ550 Seca Battery Cover

    So from what I’ve seen the battery covers on the Seca’s are basically impossible to find and if you can they’re expensive. I have been trying to...
    Thread by: Random, May 31, 2020, 10 replies, in forum: XJ Modifications
  39. Bullxj750
    Thread

    Starter clutch slipping. White foam window & oil cap

    Hello, 1981 xj750 Seca. Bike sat all winter went to start it and Tries to turn over then slips. I wanna start it to do an oil change in hope of...
    Thread by: Bullxj750, Mar 17, 2020, 36 replies, in forum: XJ Technical Chat
  40. Andrew Nichols
    Thread

    For Sale 2 650 Seca Turbos in MN

    Found this on Craigslist and thought I'd share. (I know nothing about the bikes or the seller.)...
    Thread by: Andrew Nichols, Feb 12, 2020, 0 replies, in forum: For Sale, Trade/Swap, Wanted
  41. nicmac888
    Thread

    Lost the only key to my XJ750 SECA... suggestions?

    So that's rather unfortunate; I lost my only key somewhere in the woods, buried in snow. Did try to backtrack, but couldn't find it. I actually...
    Thread by: nicmac888, Dec 30, 2019, 4 replies, in forum: XJ Technical Chat
  42. Zachary Barton
    Thread

    Clutch Slipping

    (1982 xj650 Seca Non-yics) Hey everybody! I have my bike together but I'm starting to feel it slip when I really goose the throttle. It used to...
    Thread by: Zachary Barton, Nov 3, 2019, 18 replies, in forum: XJ Technical Chat
  43. spacetiger110
    Thread

    Speedometer humming, needle jumping, and then died.

    So I went for a ride to visit my mother the other day, an hour and a half each way. Around the last ten minutes or less of the ride there, I heard...
    Thread by: spacetiger110, Oct 26, 2019, 6 replies, in forum: XJ Technical Chat
  44. ManBot13
    Thread

    For Sale Krauser Hard Bags and Top Box

    I've got too many sport touring bikes and I'm looking to sell the Turbo. Since no one will value the touring panniers and top box setup, I'm...
    Thread by: ManBot13, Sep 28, 2019, 2 replies, in forum: For Sale, Trade/Swap, Wanted
  45. RileyK
    Thread

    1982 Yamaha Seca Progress

    It's been a while since I've posted about this bike so wanted to show it off. A LOT of work, learning and (some money) has went into this bike and...
    Thread by: RileyK, Aug 23, 2019, 6 replies, in forum: Hangout Lounge
  46. ctvolkers
    Thread

    For Sale 1981 xj550 Seca

    No need to sell you guys on the bike---have had it for a few years but with a kid on the way its time to say goodbye. It's been kept in a heated...
    Thread by: ctvolkers, Aug 1, 2019, 8 replies, in forum: For Sale, Trade/Swap, Wanted
  47. Manny Mercado
    Thread

    XJ 750 Seca Brake Bleed

    Hi All, First time motorcycle owner here, frustrated and lost. I've spent the last 2 weeks trying to figure out this retched brake bleed, and...
    Thread by: Manny Mercado, Jun 30, 2019, 8 replies, in forum: XJ Technical Chat
  48. AFORSTER
    Thread

    XJ550 seca/maxim wiring harness

    Hi, New here, just got an xj550 seca project on the go. Wiring was a mess so bought a new harness. In my haste i didn’t realise I’d bought a...
    Thread by: AFORSTER, Jun 12, 2019, 12 replies, in forum: XJ Technical Chat
  49. eigenseca
    Thread

    Anyone know if this Caliper Seals Kit is any good?

    https://www.ebay.com/itm/1982-1984-YAMAHA-XJ750-MAXIM-FRONT-BRAKE-CALIPER-REPAIR-REBUILD-NEW-SEAL-KIT/323800431776?hash=item4b64027ca0:g:DioAAOSwxq...
    Thread by: eigenseca, May 29, 2019, 19 replies, in forum: XJ Technical Chat
  50. kosel
    Thread

    fork oil level/volume for xj 650 rj

    I've just re-built the forks using XJ4Ever's Performance Fork Rebuild Kit and I'm not sure what the right amount of fork oil (by volume or level)...
    Thread by: kosel, May 18, 2019, 4 replies, in forum: XJ Technical Chat
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