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  1. 4nik8r
    Thread

    Looking for One used XJ550 piston with rings

    Hi - I'm hoping someone might have a spare kicking around with good rings, lowish miles that I can use for a parts engine rebuild/restore. I'm...
    Thread by: 4nik8r, Mar 22, 2025, 15 replies, in forum: For Sale, Trade/Swap, Wanted
  2. 4nik8r
    Thread

    HELP! One piston ring is stuck but good.....need solution

    During my teardown of my spare XJ550 engine (lower mileage that I was hoping to use to replace my high mileage one) the same cylinder #2 with the...
    Thread by: 4nik8r, Feb 8, 2025, 32 replies, in forum: XJ Technical Chat
  3. 4nik8r
    Thread

    High Mileage Woes - power loss and starting to burn oil

    Well, I feared this day might come. My wife has been riding the Seca 550 a lot, and it now has over 115,000 km (about 71,500 miles); and these are...
    Thread by: 4nik8r, Dec 4, 2024, 7 replies, in forum: XJ Technical Chat
  4. 4nik8r
    Thread

    Please God not the starter clutch..

    After spending hours fixing leaks and setting up refurbished carbs earlier this year, The 550XJ ran fine until last night. In the heat, it refused...
    Thread by: 4nik8r, Jun 2, 2023, 0 replies, in forum: XJ Technical Chat
  5. 4nik8r
    Thread

    New OEM Valve Cover gasket - advice needed

    I just got what looks like an OEM replacement gasket for my XJ550 (PN 3KM-11193 in original Yamaha wrapper) and it seems to be covered with some...
    Thread by: 4nik8r, Apr 19, 2023, 11 replies, in forum: XJ Technical Chat
  6. 4nik8r
    Thread

    Milestone 38 years in the making - ODO rollover

    Just thought I'd post this up to see if there are any others on the forum with high mileage, smaller displacement XJ's. I just rolled the...
    Thread by: 4nik8r, Oct 8, 2020, 7 replies, in forum: Hangout Lounge
  7. 4nik8r
    Thread

    Gas level Sending Unit Float........Came off the arm!

    Anyone had this problem happen to them? The float came off the arm and there seems to be some unusual wear inside the mounting hole. Pics to follow.
    Thread by: 4nik8r, Jan 3, 2017, 16 replies, in forum: XJ Technical Chat
  8. 4nik8r
    Thread

    Gas tank sender unit - Float won't float?

    Late last season the gas level indicator stopped working on my Seca 550. Did all the tests, couldn't find anything wrong with the sender or...
    Thread by: 4nik8r, Apr 20, 2016, 2 replies, in forum: XJ Technical Chat
  9. 4nik8r
    Thread

    Fork woes - rechrome or straighten or find another set?

    A minor accident 2 seasons back left my original fork tubes bent. I replaced them with a pair that were straight but from an outdoor wreck with...
    Thread by: 4nik8r, Apr 20, 2016, 4 replies, in forum: XJ Technical Chat
  10. 4nik8r
    Thread

    Wanted Fork tubes (uppers) for 81-83 Seca 550

    Looking for pair of fork uppers, straight with good chrome for a Seca 550. Have lots of other parts for this bike for swap or trade, or will pay...
    Thread by: 4nik8r, Apr 18, 2016, 20 replies, in forum: For Sale, Trade/Swap, Wanted
  11. 4nik8r
    Thread

    For Sale 1983 Seca 900 for sale in Ottawa

    This is not my bike or my kijiji ad, but when I saw it I thought there may be some interest from other forum members, and if there is I'd be...
    Thread by: 4nik8r, Jan 15, 2016, 5 replies, in forum: For Sale, Trade/Swap, Wanted
  12. 4nik8r
    Thread

    For Sale Seca 550 Parts for sale - Have most parts from a nearly complete bike

    I have several parts from a 1982 Seca 550 to let go to listers here for reasonable prices. If anyone has a need for any specific part, just reply....
    Thread by: 4nik8r, Mar 6, 2015, 48 replies, in forum: For Sale, Trade/Swap, Wanted
  13. 4nik8r
    Thread

    Somebody should look into this - 750 Maxim

    http://www.kijiji.ca/v-touring/gatineau/yamaha-maxim-xj750/1050694067?enableSearchNavigationFlag=true Not mine to sell but its local. Rough...
    Thread by: 4nik8r, Feb 13, 2015, 7 replies, in forum: For Sale, Trade/Swap, Wanted
  14. 4nik8r
    Thread

    Rear Fork OEM swap - Seca 550

    I have 82,000 km+ (50,000 miles+) on the factory original rear shocks. They don't leak, but are certainly a lot softer and bouncier than when I...
    Thread by: 4nik8r, Feb 9, 2015, 0 replies, in forum: XJ Technical Chat
  15. 4nik8r
    Thread

    Aftermarket Pipe

    Anyone know what kind of pipe this is? Its solid, chromed but very rusty to the point at which the chrome can't be salvaged. Came off the 550 Seca...
    Thread by: 4nik8r, Nov 19, 2014, 2 replies, in forum: XJ Technical Chat
  16. 4nik8r
    Thread

    Gas Cap woes

    So I picked up a 82 Seca 550 for parts with no key, but was able to get a key made for $28 from the code on the ignition. While it fits the...
    Thread by: 4nik8r, Oct 17, 2014, 8 replies, in forum: XJ Technical Chat
  17. 4nik8r
    Thread

    Thread size for Oil Drain bolt - XJ550?

    after 26 years and 50+ oil changes, the drain bolt (female) threads in the oil pan are finally worn to the point the bolt can't be properly...
    Thread by: 4nik8r, Feb 27, 2014, 13 replies, in forum: Hangout Lounge
  18. 4nik8r
    Thread

    Charging vs. Discharging at Idle - Is this a Solution ??

    So, My Seca 550, like all XJ's and most bikes, does not seem to charge at idle (by design, if you look at the attached voltage curve from the...
    Thread by: 4nik8r, Mar 22, 2012, 9 replies, in forum: XJ Technical Chat
  19. 4nik8r
    Thread

    Brakes Grabbing in Reverse

    I started this new thread (as per Bigfitz' suggestion to not hijack the previous one) to try to resolve a problem with the front brake pads...
    Thread by: 4nik8r, Nov 25, 2010, 23 replies, in forum: XJ Technical Chat
  20. 4nik8r
    Thread

    Thanks to XJBikes, 23 years and counting (Seca 550)

    I just wanted to say what an amazing forum this is and how fortunate I was to find and follow the expert advice on this site to get my 82 Seca...
    Thread by: 4nik8r, Apr 26, 2010, 6 replies, in forum: XJ Modifications
  21. 4nik8r
    Thread

    Looking for Tank Emblems

    Hi, I'm looking for tank emblems for a XJ550 Seca to complete my Seca rebuild. From what I understand, emblems from some other XJ's also fit...
    Thread by: 4nik8r, Mar 12, 2010, 7 replies, in forum: For Sale, Trade/Swap, Wanted
  22. 4nik8r
    Thread

    Learn to Suffer - rebuild nightmare

    :( Never mind the broken cam bolt and $ 75 that cost..... Never mind the hours of work gone to waste....... Never mind the pain of...
    Thread by: 4nik8r, Mar 29, 2009, 11 replies, in forum: XJ Technical Chat
  23. 4nik8r
    Thread

    Broken Cam Bearing Bolt - What now ???

    :cry: Even when doing things by the book, it seems that there is no end to my suffering. When torquing the bolts for final cam assembly on...
    Thread by: 4nik8r, Mar 16, 2009, 10 replies, in forum: XJ Technical Chat
  24. 4nik8r
    Thread

    Looking for Right Sidecover, Seca 550

    Hi - I want to re-paint my 82 Seca 550 but I'm missing the right sidecover (over the battery) and have tried looking everywhere to find one (eBay,...
    Thread by: 4nik8r, Jan 16, 2008, 11 replies, in forum: For Sale, Trade/Swap, Wanted
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