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  1. SecaMaverick
    Post

    Stripping clear coat from engine

    To remove the clearcoat on my cam covers, I used spray-on gasket remover with excellent results. Not it's intended use, but it worked well. The...
    Post by: SecaMaverick, Mar 3, 2025 in forum: XJ Technical Chat
  2. SecaMaverick
    Post

    81 XJ650 - High Idle When Synched

    One of the "trick" methods to setting the butterflies slightly open (as bensalf mentioned) on the bench/off the bike is to adjust them to a very...
    Post by: SecaMaverick, Mar 3, 2025 in forum: XJ Technical Chat
  3. SecaMaverick
    Post

    Bad cold start, could the pick-up be at fault?

    If you can, add that information to your signature for future reference. I don't know if the 1988 models suffered from the same issue as earlier...
    Post by: SecaMaverick, Feb 26, 2025 in forum: XJ Technical Chat
  4. SecaMaverick
    Post

    1980 Yamaha XJ650 high idle

    Many will tell you (if they haven't in other posts you've made) that it's wise to work your way through the many, many posts on the forum about...
    Post by: SecaMaverick, Feb 26, 2025 in forum: XJ Technical Chat
  5. SecaMaverick
    Post

    Bad cold start, could the pick-up be at fault?

    What is your bike year and model?
    Post by: SecaMaverick, Feb 26, 2025 in forum: XJ Technical Chat
  6. SecaMaverick
    Post

    Exhaust Sound

    Exhaust sound, like many other things, is so very personal. When I bought my '81 XJ550RH Seca back in 2001 as a homely non-runner for $300, and...
    Post by: SecaMaverick, Apr 2, 2024 in forum: XJ Technical Chat
  7. SecaMaverick
    Post

    Soda blasting... not so much...

    The best method I've found is vapor blasting. It almost has a self-polishing effect on the aluminum, and doesn't etch the surface as much. Kind of...
    Post by: SecaMaverick, Jan 25, 2024 in forum: XJ Technical Chat
  8. SecaMaverick
    Thread

    For Sale 1981 XJ550RH Seca parts (and miscellaneous)

    I'm trying to clean out my garage of unneeded odds and ends. Some things I've bought over the years and have decided not to use, or removed when I...
    Thread by: SecaMaverick, Oct 29, 2023, 0 replies, in forum: For Sale, Trade/Swap, Wanted
  9. SecaMaverick
    Post

    81 XJ750 Oil Light

    If it's any consolation, I'm beginning to have a similar situation with my '81 XJ550RH Seca, with almost 51,000 miles. The low-oil light comes on...
    Post by: SecaMaverick, May 24, 2023 in forum: XJ Technical Chat
  10. SecaMaverick
    Post

    Mostly I'm just venting, but please send happy carb thoughts my way

    Love the video. I work in a large machine shop, and this instantly resonated.
    Post by: SecaMaverick, May 16, 2023 in forum: XJ Technical Chat
  11. SecaMaverick
    Post

    Mostly I'm just venting, but please send happy carb thoughts my way

    Yes, I have an inline fuel filter between the petcock and the carbs.
    Post by: SecaMaverick, May 16, 2023 in forum: XJ Technical Chat
  12. SecaMaverick
    Post

    Mostly I'm just venting, but please send happy carb thoughts my way

    UPDATE: It turned out that the handlebar issue wasn't the entire problem with the racing idle. And it turns out that 20+ years of tinkering on...
    Post by: SecaMaverick, May 12, 2023 in forum: XJ Technical Chat
  13. SecaMaverick
    Post

    XJ4ever parts & service

    Every one of the dozens of orders I've placed with Len over the years ALWAYS makes me question why there isn't a "Len" for every other non-XJ...
    Post by: SecaMaverick, May 12, 2023 in forum: Reviews - Service, Online, Retail Shop
  14. SecaMaverick
    Post

    Crankcase ventilation

    This is another reason replacing the stock airbox with pods can be problematic. There's nothing for the breather hose to plug into. (There are...
    Post by: SecaMaverick, Dec 12, 2022 in forum: XJ Technical Chat
  15. SecaMaverick
    Post

    Drain plug??

    Yes; on my 1981 550 Seca, there was a shaft oil seal under that timing cover, behind the timing assembly. Should be the same for you. Replace the...
    Post by: SecaMaverick, Sep 15, 2022 in forum: XJ Technical Chat
  16. SecaMaverick
    Post

    XJ550 Carb Slide Diaphragms

    I haven't met Jake750, but he probably is a cool guy. ;) I was a little disappointed with JBM's response to my email. Since I discovered I live...
    Post by: SecaMaverick, Jul 22, 2022 in forum: XJ Technical Chat
  17. SecaMaverick
    Post

    XJ550 Carb Slide Diaphragms

    Member Jake750 bought a set recently, and talks about them in this post:...
    Post by: SecaMaverick, Jul 21, 2022 in forum: XJ Technical Chat
  18. SecaMaverick
    Post

    Help with JBM Industries carb diaphragm replacements

    I was just thinking I should go ahead and replace mine after all these years... I see this post about JBM Industries, and find out they're 14...
    Post by: SecaMaverick, Jul 20, 2022 in forum: XJ Technical Chat
  19. SecaMaverick
    Post

    Mostly I'm just venting, but please send happy carb thoughts my way

    Hahaha, yes, my dream is of fuel injection, too, but I've never really been afraid of carbs. They don't usually give me too much grief that I...
    Post by: SecaMaverick, Jul 19, 2022 in forum: XJ Technical Chat
  20. SecaMaverick
    Thread

    Mostly I'm just venting, but please send happy carb thoughts my way

    I was close to pushing Scarlet over a cliff at 6:30 this morning. She's essentially a good daily driver, and frequently I ride her to work, which...
    Thread by: SecaMaverick, Jul 14, 2022, 12 replies, in forum: XJ Technical Chat
  21. SecaMaverick
    Post

    What did you do to your Yamaha today?

    On the way to work this morning, Old Red turned 50,000 miles. It's taken 40 years of her life to get there, and 15 years of help and advice from...
    Post by: SecaMaverick, Jul 27, 2021 in forum: XJ Technical Chat
  22. SecaMaverick
    Post

    Wanted Xj550 Seca Tank

    Sounds good. PM me when your inbox is cleaned up a bit.
    Post by: SecaMaverick, Jul 27, 2021 in forum: For Sale, Trade/Swap, Wanted
  23. SecaMaverick
    Post

    Wanted Xj550 Seca Tank

    Hey, Noahsxj. I tried PMing you, but your inbox is full. I have an '81 Seca (XJ550RH) tank you might be interested in. It's usable, but does need...
    Post by: SecaMaverick, Jul 26, 2021 in forum: For Sale, Trade/Swap, Wanted
  24. SecaMaverick
    Post

    What did you do to your Yamaha today?

    Yeah, I'm with you... the problem is the idle screw is already backed out all the way, to the point that the throttle cable cam isn't even...
    Post by: SecaMaverick, Apr 29, 2021 in forum: XJ Technical Chat
  25. SecaMaverick
    Post

    What did you do to your Yamaha today?

    Replaced the main O-ring on the spin-on oil filter conversion kit I got from Len several years back, after it started leaking. Of course Len had...
    Post by: SecaMaverick, Apr 28, 2021 in forum: XJ Technical Chat
  26. SecaMaverick
    Post

    XJ4ever parts & service

    I've been getting parts from Len since he started here more than 10 years ago. I'm always blown away by the level of detail he's provided in his...
    Post by: SecaMaverick, Mar 29, 2021 in forum: Reviews - Service, Online, Retail Shop
  27. SecaMaverick
    Post

    What did you do to your Yamaha today?

    XJ550H, if I remember right from my starter-rebuild post, there is really only one press-in shaft seal on the operating end of the starter. The...
    Post by: SecaMaverick, Oct 1, 2019 in forum: XJ Technical Chat
  28. SecaMaverick
    Post

    What did you do to your Yamaha today?

    Good point. I did try using a different brand gasket sealant on the old seal when I tried just re-seating it, but that obviously didn't hold....
    Post by: SecaMaverick, Aug 29, 2019 in forum: XJ Technical Chat
  29. SecaMaverick
    Post

    What did you do to your Yamaha today?

    I had to install a new transmission output shaft oil seal (ordered from Len, of course) a couple weeks ago. The old one wouldn't stay pressed in,...
    Post by: SecaMaverick, Aug 28, 2019 in forum: XJ Technical Chat
  30. SecaMaverick
    Post

    Fuel in oil

    Many, many posts here on the forum about sticking/leaking float valves. Typically a carb rebuild is in order, using parts from our resident guru...
    Post by: SecaMaverick, Aug 28, 2019 in forum: XJ Technical Chat
  31. SecaMaverick
    Post

    XJ4ever parts & service

    I may have said it before, but I've been ordering parts from Len as far back as I've been a member of this forum (2006). My latest order met my...
    Post by: SecaMaverick, Aug 27, 2019 in forum: Reviews - Service, Online, Retail Shop
  32. SecaMaverick
    Post

    What did you do to your Yamaha today?

    Not saying you didn't do it right, but it's not unusual to have the gasket slightly askew without knowing it, because it's so easy to bump things...
    Post by: SecaMaverick, Jul 31, 2019 in forum: XJ Technical Chat
  33. SecaMaverick
    Post

    Why you should replace butterfly (throttle shaft) seals.

    I agree with the consensus to just replace them with the correct seals, if at all possible. I just rebuilt my carbs for probably the fourth time...
    Post by: SecaMaverick, Jul 31, 2019 in forum: XJ Technical Chat
  34. SecaMaverick
    Post

    FZ600 Resto - the hotrod XJ

    I'm with you, Simmy. Isn't it amazing what a little time does to the important bits? I always seem to forget, thinking that my XJ should startup...
    Post by: SecaMaverick, Oct 22, 2018 in forum: XJ Technical Chat
  35. SecaMaverick
    Post

    I give up on this brake thing,help please

    I just recently rebuilt the caliper on my XJ550, and like yours it was a BEAR to get the piston out. It was the corrosion in the seal grooves...
    Post by: SecaMaverick, Oct 18, 2018 in forum: XJ Technical Chat
  36. SecaMaverick
    Post

    Changing XJ550 exhaust back to stock seems simple, but...

    Gents, again you come through in the clutch... Polock, the grease was indeed the ticket. The order of install also made somewhat of a difference....
    Post by: SecaMaverick, Sep 26, 2018 in forum: XJ Technical Chat
  37. SecaMaverick
    Post

    Changing XJ550 exhaust back to stock seems simple, but...

    Thanks, gents! I know I'm making it more difficult than it is. Polock, yes, I made sure the correct marked numbers were positioned in cylinder...
    Post by: SecaMaverick, Sep 11, 2018 in forum: XJ Technical Chat
  38. SecaMaverick
    Thread

    Changing XJ550 exhaust back to stock seems simple, but...

    Sometimes I feel like such a newbie, on something that should be so simple... After 17 years of running the Seca with the 4-into-1 Kerker exhaust...
    Thread by: SecaMaverick, Sep 10, 2018, 8 replies, in forum: XJ Technical Chat
  39. SecaMaverick
    Post

    Picture needed for stock routing of brake lines and main wire harnesses

    Thanks again for your help, XJ! Just to follow up after the brake line replacement: your pics helped get things routed pretty close to stock. The...
    Post by: SecaMaverick, Sep 6, 2018 in forum: XJ Technical Chat
  40. SecaMaverick
    Post

    Re-chroming plastic bits

    Looks like you did nice work, Bluegray, in spite of it being a "dry run." I'm glad Chacal corrected me that the emblem you need is unavailable....
    Post by: SecaMaverick, May 17, 2018 in forum: XJ Technical Chat
  41. SecaMaverick
    Post

    Re-chroming plastic bits

    Just ignore me if you're dead-set against buying new, and you have more time to restore the tiny bits than I do ... I don't know how much money...
    Post by: SecaMaverick, May 16, 2018 in forum: XJ Technical Chat
  42. SecaMaverick
    Post

    Re-chroming plastic bits

    Did you try a search of this forum? I seem to remember a write-up quite a few years back that involved gold spray paint for the inner parts and...
    Post by: SecaMaverick, May 14, 2018 in forum: XJ Technical Chat
  43. SecaMaverick
    Post

    Picture needed for stock routing of brake lines and main wire harnesses

    Perfect, thanks! Looks like I'll need to come up with a harness wire "loop hook" to bolt up to the same bolt that holds the brake union/manifold....
    Post by: SecaMaverick, May 7, 2018 in forum: XJ Technical Chat
  44. SecaMaverick
    Thread

    Picture needed for stock routing of brake lines and main wire harnesses

    Can anyone with a stock '81 XJ550RH Seca please snap a couple pics of the front brake joint/manifold area under the chrome Yamaha fork emblem?...
    Thread by: SecaMaverick, May 3, 2018, 6 replies, in forum: XJ Technical Chat
  45. SecaMaverick
    Post

    I've never had the front wheel bind up like this before

    Well, I didn't snap a picture... but I did let things settle during a few days of busyness. Strange how frustration and a little distance can...
    Post by: SecaMaverick, Apr 11, 2018 in forum: XJ Technical Chat
  46. SecaMaverick
    Post

    I've never had the front wheel bind up like this before

    Yes, the gap between the wheel and the fork legs is the same on each side. I didn't try reattaching the caliper yet (this Seca is single-disc...
    Post by: SecaMaverick, Apr 7, 2018 in forum: XJ Technical Chat
  47. SecaMaverick
    Thread

    I've never had the front wheel bind up like this before

    I just got new tires put on my Seca wheels today. For the first time ever (that I remember in 18 years), when I install the front wheel without...
    Thread by: SecaMaverick, Apr 7, 2018, 5 replies, in forum: XJ Technical Chat
  48. SecaMaverick
    Post

    82 XJ750 Rebuilt Carburetor leaking gas.

    Ya know, it's interesting. When I first bought my Seca in 2001, it was CHEAP ($300) because it was a non-runner from a friend. Maybe that's why...
    Post by: SecaMaverick, Mar 20, 2018 in forum: XJ Technical Chat
  49. SecaMaverick
    Post

    Where is BigFitz?

    I know this is an old question, because I've been embarrassingly been absent from the site for longer than BigFitz, but any update on how he's...
    Post by: SecaMaverick, Mar 19, 2018 in forum: Hangout Lounge
  50. SecaMaverick
    Post

    What did you do to your Yamaha today?

    I've been trolling the forum off and on the last few busy years, just keeping up on regular bike maintenance and riding. But I got the itch to...
    Post by: SecaMaverick, Mar 19, 2018 in forum: XJ Technical Chat
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