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  1. jpacman
    Post

    The dreaded starter grind... sometimes

    Besides being a minor annoyance and attracting the attention of onlookers, are there any long-term affects from the starter clutch not engaging?...
    Post by: jpacman, Oct 26, 2020 in forum: XJ Technical Chat
  2. jpacman
    Post

    The dreaded starter grind... sometimes

    The battery tests OK and the starter spins up nice and healthy when it connects. It was 40F the other morning and it cranked over speedily and...
    Post by: jpacman, Oct 26, 2020 in forum: XJ Technical Chat
  3. jpacman
    Post

    The dreaded starter grind... sometimes

    Shit.... Well, alright then. Guess I'll start the fixes in the order that have been previously prescribed. I'm a pretty decent mechanic so...
    Post by: jpacman, Oct 26, 2020 in forum: XJ Technical Chat
  4. jpacman
    Thread

    The dreaded starter grind... sometimes

    I did read a bunch of previous posts concerning starters not engaging but I want to share my experience on the topic. Bike: '82 XJ750 Maxim, 24k...
    Thread by: jpacman, Oct 25, 2020, 11 replies, in forum: XJ Technical Chat
  5. jpacman
    Post

    What did you do to your Yamaha today?

    No physical mods but I did fully pack the bike for the first time for a camping trip to Maine and back. Up in the White Mountains of New...
    Post by: jpacman, Oct 25, 2020 in forum: XJ Technical Chat
  6. jpacman
    Post

    What else do you ride?

    82 Yamaha XJ750 Maxim street bike (well customized and recently sold :() 82 Yamaha XJ750 Maxim Adventure project bike (just did 1000 miles out to...
    Post by: jpacman, Oct 25, 2020 in forum: Other Motorcycles
  7. jpacman
    Post

    Caliper piston removal

    Back on the topic if getting the piston out of the caliper: once I had the caliper on the work bench, I removed the air bleeder, wrapped the...
    Post by: jpacman, Oct 25, 2020 in forum: XJ Technical Chat
  8. jpacman
    Post

    New to group and need help... 82 xj750 Maxim with pods issue starting

    Yep. All the rules of carb tuning will apply including adjusting for pod air filters. Make sure your enrichment ports are all clear, the floats...
    Post by: jpacman, Nov 10, 2015 in forum: XJ Technical Chat
  9. jpacman
    Post

    Steering Head Bearings

    Replace the races too (it comes as a unit anyway) as they will probably be more worn than the ball bearings. When I did my two XJs, the races...
    Post by: jpacman, Nov 10, 2015 in forum: XJ Technical Chat
  10. jpacman
    Post

    Flasher relay

    Are you sure that you have continuity between the positive and the ground? Sounds like a bad connection in the circuit somewhere. If the bulbs...
    Post by: jpacman, Aug 2, 2015 in forum: XJ Technical Chat
  11. jpacman
    Post

    What did you do to your Yamaha today?

    Great fortitude and control! I, too, loved the Super Tenere' and I rode one. Maybe when I'm done bashing the XJ through the New England...
    Post by: jpacman, Aug 2, 2015 in forum: XJ Technical Chat
  12. jpacman
    Post

    What did you do to your Yamaha today?

    It's going to rain today so it's steering head bearing day. Yay! If all goes well, maybe I'll do both bikes......
    Post by: jpacman, Aug 1, 2015 in forum: XJ Technical Chat
  13. jpacman
    Post

    What did you do to your Yamaha today?

    Installed a used, stock fleaBay exhaust system that the seller insisted came off an XJ750. HA!!! Should have known better. The headers were...
    Post by: jpacman, Aug 1, 2015 in forum: XJ Technical Chat
  14. jpacman
    Post

    This confirms it: I've lost my mind.

    Don't be too quick to praise the Vermont DMV. Because the VIN was damaged on my dirt XJ750 project bike, the cop doing the VIN verification...
    Post by: jpacman, Jun 23, 2015 in forum: Hangout Lounge
  15. jpacman
    Post

    82 XJ750 no power off-idle under load, then fine

    The valves are good and in spec. I adjusted them over the winter (800 miles ago) but I double checked them last night since I had the tank off....
    Post by: jpacman, Jun 23, 2015 in forum: XJ Technical Chat
  16. jpacman
    Post

    vandalized my bike

    I know I live in rural Vermont but I echo Ribo's comments. How many times have we seen things like this get way out of hand. And, yes, you...
    Post by: jpacman, Jun 23, 2015 in forum: XJ Technical Chat
  17. jpacman
    Post

    82 XJ750 no power off-idle under load, then fine

    I tried it on prime to rule out slow flow from the rebuilt petcock but it's the same lag under load. Not sure how far out the mixture screws are...
    Post by: jpacman, Jun 21, 2015 in forum: XJ Technical Chat
  18. jpacman
    Post

    82 XJ750 no power off-idle under load, then fine

    Icy blue in the Colortune, right? Not orange-ish? I used an unlit propane torch to check for vacuum leaks in the carb boots and didn't...
    Post by: jpacman, Jun 21, 2015 in forum: XJ Technical Chat
  19. jpacman
    Post

    Problem with 2 bottle sync method

    I used glass baby bottles (set of 3 at Wal-mart for $5) because they have graduations on them. Makes it easier to see changes in the ATF level...
    Post by: jpacman, Jun 21, 2015 in forum: XJ Technical Chat
  20. jpacman
    Thread

    82 XJ750 no power off-idle under load, then fine

    In reading some other posts, this is definitely a fuel delivery problem. The bike (82 XJ750) starts immediately and idles smoothly (11-1200 rpm)...
    Thread by: jpacman, Jun 21, 2015, 9 replies, in forum: XJ Technical Chat
  21. jpacman
    Post

    Can someone explain the wet set in a simpler way

    Writing from experience, I took the time to build the pvc stand and it has made working on all aspects of the carbs much easier. Just make it...
    Post by: jpacman, Jun 21, 2015 in forum: XJ Technical Chat
  22. jpacman
    Post

    spark plug recommendations

    Put in fancy E3 plugs early last year (guess I bought the hype) and they split in less than 6 months. Went back to good old NGK. Properly tune...
    Post by: jpacman, Jun 21, 2015 in forum: XJ Technical Chat
  23. jpacman
    Post

    82 XJ750 "GS" winter project

    I also had to get an electronic turn signal relay to operate the lower wattage bulbs in the rear signals. No auto cancel but at least they work....
    Post by: jpacman, May 8, 2015 in forum: XJ Modifications
  24. jpacman
    Post

    82 XJ750 "GS" winter project

    Ironsights, Sorry it took so long to reply. Spring is busy for me. I don't know about poundage but I did get "heavy duty" springs when I...
    Post by: jpacman, May 8, 2015 in forum: XJ Modifications
  25. jpacman
    Post

    What did you do to your Yamaha today?

    Sprung for my own Colortune plug and tuned the dirt project bike. Then balanced the carbs with a homemade rig using baby bottles and ATF....
    Post by: jpacman, May 1, 2015 in forum: XJ Technical Chat
  26. jpacman
    Post

    fuel/air mixture screws next to enrichment plungers

    This is my second XJ750 build so, yes, the valves are checked and adjusted to be in spec. Of course that doesn't mean that I did everything right...
    Post by: jpacman, Mar 17, 2015 in forum: XJ Technical Chat
  27. jpacman
    Post

    Frame Rust/Split. Weld or Replace?

    I had the same split in the same spot on my XJ750 (stored outside for an extended time by POs; it's always their fault!). I hammered it down,...
    Post by: jpacman, Mar 16, 2015 in forum: XJ Technical Chat
  28. jpacman
    Thread

    fuel/air mixture screws next to enrichment plungers

    While rebuilding the carbs on an 82 XJ750, I received new fuel/air mixture screws in the carb rebuild kits. I removed the first one then read in...
    Thread by: jpacman, Mar 16, 2015, 4 replies, in forum: XJ Technical Chat
  29. jpacman
    Post

    Motorcycle Boots Recomendations

    I bought Tour Master Solution WP boots three years ago and I'm very happy with them. They are comfortable for walking around, totally waterproof...
    Post by: jpacman, Mar 13, 2015 in forum: XJ Technical Chat
  30. jpacman
    Post

    82 XJ750 "GS" winter project

    Thanks. I was kind of going for something different and I think I got it without doing any serious mods. Really can't wait to get it out into...
    Post by: jpacman, Mar 12, 2015 in forum: XJ Modifications
  31. jpacman
    Post

    82 XJ750 "GS" winter project

    As to what order to do the work, I don't know. I had mine in my heated (well, 50F) garage all winter so I had the luxury of taking the whole...
    Post by: jpacman, Mar 12, 2015 in forum: XJ Modifications
  32. jpacman
    Post

    82 XJ750 "GS" winter project

    I'll dig up the tire info and post it here this weekend. What I can tell you is that the handlebar mounts are from an early 80s Virago as the...
    Post by: jpacman, Mar 12, 2015 in forum: XJ Modifications
  33. jpacman
    Thread

    82 XJ750 "GS" winter project

    This project started last summer when my buddy and I were watching caveman TV and thinking about off-road riding. In our alcohol induced stupor,...
    Thread by: jpacman, Mar 10, 2015, 11 replies, in forum: XJ Modifications
  34. jpacman
    Post

    What did you do to your Yamaha today?

    [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH] Oh ye of little faith! Three months of hard work and you won't take it on faith?!? Fine, here you...
    Post by: jpacman, Mar 10, 2015 in forum: XJ Technical Chat
  35. jpacman
    Post

    This could be a fun project!

    The "dirt" XJ750 build is done. I'll post some pictures tomorrow if it's sunny. Rode it around the muddy farm roads this afternoon and sent some...
    Post by: jpacman, Mar 9, 2015 in forum: Hangout Lounge
  36. jpacman
    Post

    What did you do to your Yamaha today?

    Finished the conversion of my winter project 82 XJ750 into a "GS" dirt slinger. Rode it for the first time today around the farm road and sent...
    Post by: jpacman, Mar 9, 2015 in forum: XJ Technical Chat
  37. jpacman
    Post

    This could be a fun project!

    k-moe, I was inspired by some of the early heavy bikes that were modified for off-road duty. I have no intention of doing that much work to this...
    Post by: jpacman, Oct 3, 2014 in forum: Hangout Lounge
  38. jpacman
    Post

    What did you do to your Yamaha today?

    I added some LED lights to the rear. Blue that are just above the plate (always on) and two red below the plate that are wired to the brake...
    Post by: jpacman, Sep 28, 2014 in forum: XJ Technical Chat
  39. jpacman
    Thread

    This could be a fun project!

    My buddy and I were on a week long motorcycle camping trip to Canada this summer, sitting around watching caveman TV and drinking good Canadian...
    Thread by: jpacman, Sep 28, 2014, 12 replies, in forum: Hangout Lounge
  40. jpacman
    Post

    What did you do to your Yamaha today?

    Tube handlebars and risers; custom seat foam and new cover (by me); stock mirrors; new front brake master cylinder (to fit new bars), front light...
    Post by: jpacman, Aug 8, 2014 in forum: XJ Technical Chat
  41. jpacman
    Post

    How did you get here?

    Barn find '82 XJ750 needed a lot of help and this was at the top of the internet search. You guys continue to be a huge help in keeping it...
    Post by: jpacman, Aug 8, 2014 in forum: Hangout Lounge
  42. jpacman
    Post

    Vote your favorite color scheme of 650 seca

    Where would you find something like that? There's another string asking how to get a luggage rack/sissy bar for a 650.
    Post by: jpacman, May 25, 2014 in forum: Hangout Lounge
  43. jpacman
    Post

    81 Maxim 650 sissy bar or luggage rack WTB

    I don't know how rare luggage racks and sissy bars are for these bikes but I didn't see too many of them when I was searching for mine. I ended...
    Post by: jpacman, May 25, 2014 in forum: For Sale, Trade/Swap, Wanted
  44. jpacman
    Post

    What did you do to your Yamaha today?

    Oh yeah, I bought a used seat on ebay, stripped off the old cover, and modified the seat foam to make a better long distance mount. By using a 4"...
    Post by: jpacman, May 24, 2014 in forum: XJ Technical Chat
  45. jpacman
    Post

    What did you do to your Yamaha today?

    Really long winter and late spring here in Vermont. Minor stuff: crash bars and highway pegs, rear luggage rack modified from a Kawi or some...
    Post by: jpacman, May 24, 2014 in forum: XJ Technical Chat
  46. jpacman
    Post

    Big starting problems

    Yep. Agree with all of the above advice especially setting the floats correctly. I rebuilt my carbs, set the floats, and still had a cold start...
    Post by: jpacman, May 24, 2014 in forum: XJ Technical Chat
  47. jpacman
    Post

    Gauge needles?

    Fitz's write-up on needle repair was very helpful. I was able to reattach my speedo needle and also put 2 well placed drops of machine oil on the...
    Post by: jpacman, May 24, 2014 in forum: XJ Technical Chat
  48. jpacman
    Post

    Help keep xjBikes running smoothly

    Dave, Thanks for the reminder that not everything is free. Logged into PayPal and dropped my $50 into the pot. I could never have gotten my...
    Post by: jpacman, May 23, 2014 in forum: Hangout Lounge
  49. jpacman
    Post

    What do you think this bike is worth?

    I have two basic rules for used bikes from the 70s and 80s: Rule #1. It's a $1/cc if it runs, more if I can ride it home, less if it doesn't...
    Post by: jpacman, Mar 16, 2014 in forum: XJ Technical Chat
  50. jpacman
    Post

    When did you get hooked on motorcycling?

    Grew up near an off-road track and a dirt 1/3-mile oval but I never got into dirt bikes. Just liked going to races from the time I could take my...
    Post by: jpacman, Mar 16, 2014 in forum: Hangout Lounge
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