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  1. minimuttly
    Post

    HELP bike keeps dying on longer rides

    Well did you fix this?
    Post by: minimuttly, Jan 6, 2025 in forum: XJ Technical Chat
  2. minimuttly
    Post

    Carb float shaft post broken

    [ATTACH] [ATTACH] [ATTACH] Well I just spent a whole lot of time fixing my first one of these posts. First attempt at tig welding the original...
    Post by: minimuttly, Jan 6, 2025 in forum: XJ Technical Chat
  3. minimuttly
    Post

    For Sale 1982 Yamaha XJ650RJ SECA

    Nice job. What's the funky coily thing on the clutch lever? FWIW it looks good, but over here you rarely see these breaking the £2.5k barrier -...
    Post by: minimuttly, Jan 4, 2025 in forum: For Sale, Trade/Swap, Wanted
  4. minimuttly
    Post

    Engine wont turn over

    When you say the engine was seized, what's the history? Seized how? Engines don't seize without scoring something - pistons, crank bearings, -...
    Post by: minimuttly, Jan 4, 2025 in forum: XJ Technical Chat
  5. minimuttly
    Post

    Engine wont turn over

    You need to isolate the issue. Remove plugs, disconnect the cam sprockets by removing the bolts. Then try carefully turning the cams - don't be...
    Post by: minimuttly, Jan 4, 2025 in forum: XJ Technical Chat
  6. minimuttly
    Post

    Just bought a 1980 xj650. Need help. Loads of issues.

    Carb? Carbs surely? There is something called church of clean on here - it refers to cleaning the carbs, spotlessly, including the passagways from...
    Post by: minimuttly, Nov 24, 2024 in forum: XJ Technical Chat
  7. minimuttly
    Post

    Starter Clutch?

    One thing I would check before splitting the cases is the alternator - is it possible there is major corrosion in there? Have the cover off to...
    Post by: minimuttly, Nov 24, 2024 in forum: XJ Technical Chat
  8. minimuttly
    Post

    What did you do to your Yamaha today?

    In the process of rebuilding the quad downdraft mikunis on my vmax. They are a right pain to set the float levels - you have to do them...
    Post by: minimuttly, Nov 24, 2024 in forum: XJ Technical Chat
  9. minimuttly
    Post

    Simmy's Naked Turbo Project

    My 750 gasket (used), measures 63.75mm, which looks awfully like a 650 gasket - (once crushed the "hole" diameter shrinks I guess. So someone...
    Post by: minimuttly, Nov 19, 2024 in forum: XJ Modifications
  10. minimuttly
    Post

    Simmy's Naked Turbo Project

    Question for you (and maybe @chacal) on head gaskets. The 750 I have has a head gasket that looks like it's from a 650 - it overhangs the 750...
    Post by: minimuttly, Nov 18, 2024 in forum: XJ Modifications
  11. minimuttly
    Post

    Starter Clutch?

    I'm trying to help you here, but you're ignoring my questions... So answer all three questions honestly. If the answer to all three is yes then...
    Post by: minimuttly, Nov 18, 2024 in forum: XJ Technical Chat
  12. minimuttly
    Post

    Starter Clutch?

    . So this squeeling noise is what I don't like. It did it whilst running? And now also when trying to start? The same noise? If so I think you...
    Post by: minimuttly, Nov 15, 2024 in forum: XJ Technical Chat
  13. minimuttly
    Post

    Starter Clutch?

    Any help would be much appreciated. Well I am trying, but youre not listening. You need to turn the engine over - it should turn over in 3rd gear,...
    Post by: minimuttly, Oct 25, 2024 in forum: XJ Technical Chat
  14. minimuttly
    Post

    XJ900 Seca lookalike

    Some fork info, just to remind me...
    Post by: minimuttly, Oct 25, 2024 in forum: XJ Modifications
  15. minimuttly
    Thread

    XJ900 Seca lookalike

    The plan was to make my bitsa 900F (with modern wheels and tyres) look like a 650 Seca (because I like the look), by making custom side panels,...
    Thread by: minimuttly, Oct 25, 2024, 1 replies, in forum: XJ Modifications
  16. minimuttly
    Post

    Starter Clutch?

    2nd or 3rd, no matter, just so you can push the engine around. The point (I obviously didn't make clear) is so that it proves it's not the engine,...
    Post by: minimuttly, Oct 25, 2024 in forum: XJ Technical Chat
  17. minimuttly
    Post

    Seized vaccuum piston

    I would wrap a pair of screwdrivers in tape and use them as levers, one from each end of the carb to try to lift the slide out. Most likelt...
    Post by: minimuttly, Oct 25, 2024 in forum: XJ Technical Chat
  18. minimuttly
    Post

    For Sale Lots of parts available 550/650/750.....Maxim and Seca

    Thanks for looking
    Post by: minimuttly, Oct 22, 2024 in forum: For Sale, Trade/Swap, Wanted
  19. minimuttly
    Post

    Starter Clutch?

    Pull the spark plugs and engage 3rd gear, try to push the bike along - see if the engine turns over. It sounds like something seized - no idea...
    Post by: minimuttly, Oct 22, 2024 in forum: XJ Technical Chat
  20. minimuttly
    Post

    My Yamaha 1982 xj550j keeps flooding everytime it idles.

    Forget the 650, nothing works. This theory that the piston just died - it's nonsense, they don't fail unless something causes them to, and even if...
    Post by: minimuttly, Oct 22, 2024 in forum: XJ Technical Chat
  21. minimuttly
    Post

    My Yamaha 1982 xj550j keeps flooding everytime it idles.

    Bad luck indeed, but as @Huntchuks said, never ride with fuel contaminated oil.... Reading back quickly over your history I think you had numerous...
    Post by: minimuttly, Oct 21, 2024 in forum: XJ Technical Chat
  22. minimuttly
    Post

    83 XJ 750 Starting Issues

    With a multimeter set to volts is how to test wires and connections - you use your logic to decide what you should be seeing, test and evaluate....
    Post by: minimuttly, Oct 9, 2024 in forum: XJ Technical Chat
  23. minimuttly
    Post

    83 XJ 750 Starting Issues

    Diagnosing an electrical fault from an online forum is impossible without a DVM and some readings. In your position I would be reading the volts...
    Post by: minimuttly, Oct 7, 2024 in forum: XJ Technical Chat
  24. minimuttly
    Post

    82 XJ 650 - Modifying Wireharness for Engine Test Fire (without re-installing it in the Frame)

    Mount the engine on its side and lower the frame over it. Workshop manual would be a Haynes or similar - no way you will fault find all the...
    Post by: minimuttly, Oct 7, 2024 in forum: XJ Technical Chat
  25. minimuttly
    Post

    82 XJ 650 - Modifying Wireharness for Engine Test Fire (without re-installing it in the Frame)

    You've obviously worked hard to get the engine rebuilt, I would get the frame done now and put the engine in it. Then get a workshop manual and...
    Post by: minimuttly, Oct 7, 2024 in forum: XJ Technical Chat
  26. minimuttly
    Post

    Mismatched carbs on '83 XJ900

    You have to work out what those vents are - it may be you can block them up? Also you need to check the throttle butterfly angle when closed is...
    Post by: minimuttly, Oct 6, 2024 in forum: XJ Technical Chat
  27. minimuttly
    Thread

    minimutly PMs

    I see there are two PMs for me under my minimutly account. Since the two step authentication thing my old account will not work - somehow the...
    Thread by: minimuttly, Oct 6, 2024, 0 replies, in forum: Hangout Lounge
  28. minimuttly
    Post

    What is the best carb rebuild kit for my 1982 XJ650 Maxim?

    click on xjforever at the top right of this page - no brainer for anyone in the US
    Post by: minimuttly, Oct 6, 2024 in forum: XJ Technical Chat
  29. minimuttly
    Post

    XJ900 31A Misfires, sputters, backfires at higher revs.

    Hi and welcome. Did your carb rebuild kit include jets? Hopefully not, and you still have the original jets in. A misfire at high rpm is nothing...
    Post by: minimuttly, Oct 1, 2024 in forum: XJ Technical Chat
  30. minimuttly
    Post

    What did you do to your Yamaha today?

    Stripped the downdraft Mikunis on my vmax trike. Hell of a job to find replacement bungs for the jet blocks, just jets came up with rebuild kits...
    Post by: minimuttly, Oct 1, 2024 in forum: XJ Technical Chat
  31. minimuttly
    Post

    30% of the way there...

    So you'll need to explain how a fuse box - sorry, POS fuse box, is capable of creating its own current drain?
    Post by: minimuttly, Oct 1, 2024 in forum: Hangout Lounge
  32. minimuttly
    Thread

    Arduino uno replacement for tci

    So the box of trix is here, I've done some reading up, and it seems the uno is maybe not the best to use due to the slow speed of the processor....
    Thread by: minimuttly, Sep 29, 2024, 0 replies, in forum: XJ Technical Chat
  33. minimuttly
    Post

    What did you do to your Yamaha today?

    The 550 is a sweet looking bike for sure, not so many around here in uk. Not so sure about a maxim 550, in fact I never knew there was one?
    Post by: minimuttly, Sep 29, 2024 in forum: XJ Technical Chat
  34. minimuttly
    Post

    What did you do to your Yamaha today?

    Now you've done it - my interest has been piqued, and have ordered an Arduino uno project kit. The goal is to write/download and modify code to...
    Post by: minimuttly, Sep 26, 2024 in forum: XJ Technical Chat
  35. minimuttly
    Post

    What did you do to your Yamaha today?

    Good info from @Brhatweed there... Pulled the forks on my Vmax 1200 to change the seals, bit of a dissapointment in that they were too thick to...
    Post by: minimuttly, Sep 26, 2024 in forum: XJ Technical Chat
  36. minimuttly
    Post

    Welsh Boy buys 750 Midnight Maxim

    Was the xj750 maxim ever a UK model? I know the 650 wasn't. There don't seem to be many around.. The carb spacings are the same as the 650 maxim -...
    Post by: minimuttly, Sep 26, 2024 in forum: XJ Technical Chat
  37. minimuttly
    Post

    For Sale Lots of parts available 550/650/750.....Maxim and Seca

    Hi @hogfiddles . My xj650 Seca build back is lacking a pair of grab handles - I think they were chrome, just under the seat? Got a pair? It will...
    Post by: minimuttly, Sep 24, 2024 in forum: For Sale, Trade/Swap, Wanted
  38. minimuttly
    Post

    Welsh Boy buys 750 Midnight Maxim

    Brain fart from someone who should know better from me - I was thinking about the low oil level switch, not the sidestand - sorry. Interestingly,...
    Post by: minimuttly, Sep 23, 2024 in forum: XJ Technical Chat
  39. minimuttly
    Post

    Welsh Boy buys 750 Midnight Maxim

    Is this a Japanese market or US/canada? The Jap ones had some unique stuff on them. sometimes the crap welding holding the side stand mechanism...
    Post by: minimuttly, Sep 23, 2024 in forum: XJ Technical Chat
  40. minimuttly
    Post

    A Carb Jet + Needle disaster

    Looking at these things from the way they were designed, that is the constant vacuum side of things, anything that changes the upstream (filter...
    Post by: minimuttly, Sep 18, 2024 in forum: XJ Technical Chat
  41. minimuttly
    Post

    What did you do to your Yamaha today?

    With the level of skils in electronics you guys have I'm suprised you haven't designed a microcontrolled ecu replacement working on vacuum as well...
    Post by: minimuttly, Sep 18, 2024 in forum: XJ Technical Chat
  42. minimuttly
    Post

    Just picked up a 1982 xj650 maxim for $80 and tbh, ive never done this before!

    Greetings and welcome to one of the most knowledgable forums around. But you have to read what's posted about. Under the xjforever gif, top rh of...
    Post by: minimuttly, Sep 12, 2024 in forum: Hangout Lounge
  43. minimuttly
    Post

    New 82'Maxim XJ550 owner...Repair Assist...

    Oh dear - expect the tci to be fried, get a used one you know is good. Maybe the rectifier/regulator, but maybe not... As for other stuff, not...
    Post by: minimuttly, Sep 12, 2024 in forum: Reviews - Service, Online, Retail Shop
  44. minimuttly
    Post

    HELP bike keeps dying on longer rides

    You've "seen them going rich"? How then, would be a good trick if you could do that.. Maybe you're assuming slides lifting is giving you richer...
    Post by: minimuttly, Sep 12, 2024 in forum: XJ Technical Chat
  45. minimuttly
    Post

    How I’ve done my XJ900F wire wheel conversion

    Impressive!
    Post by: minimuttly, Sep 8, 2024 in forum: XJ Modifications
  46. minimuttly
    Post

    Starting Up a Maxim 650 After 6 Years Since Running...Have Questions

    Get it running first. Sadly I suspect you will need to strip the bowls off the carbs at a minimum, clean out the jets especially the starting...
    Post by: minimuttly, Sep 8, 2024 in forum: XJ Technical Chat
  47. minimuttly
    Post

    Eating pizza , feelin down (82' Maxim 650)

    Beats me how a person could strip and rebuild a set of carbs (twice) and not know where the idle speed screw was. More to the point how could they...
    Post by: minimuttly, Sep 8, 2024 in forum: XJ Technical Chat
  48. minimuttly
    Post

    Xj750 Seca - injection done

    how have you managed with charging current? Needs a low current fuel pump, and maybe a higher capacity battery?
    Post by: minimuttly, Sep 8, 2024 in forum: XJ Modifications
  49. minimuttly
    Post

    82 650 maxim (US VERSION) UNBRANDED CARBS?

    I think you need a new mechanic
    Post by: minimuttly, Aug 6, 2024 in forum: XJ Technical Chat
  50. minimuttly
    Post

    Carbs dimensions help!!

    My fj600 carbs are (well they were before I machined them down) bigger than xj650 carbs, but the same spacing. I never knew the 650/750 and 900...
    Post by: minimuttly, Aug 6, 2024 in forum: XJ Technical Chat
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