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  1. Ryengoth
    Post

    Dead Cylinder but has compression spark and fuel?????

    In this case the plug comes out wet so either the float is not shutting off the bowl, the idle circuit is partially clogged or it's a spark...
    Post by: Ryengoth, Nov 17, 2019 in forum: XJ Technical Chat
  2. Ryengoth
    Post

    Dead Cylinder but has compression spark and fuel?????

    Was the plug wet or dry?
    Post by: Ryengoth, Nov 17, 2019 in forum: XJ Technical Chat
  3. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Maybe. I would need to measure the amperage draw. I don't think one of those could do 2 coils and a headlight without burning out. It's proving...
    Post by: Ryengoth, Nov 15, 2019 in forum: XJ Technical Chat
  4. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    I chose the 10A buck/boost configuration so that it won't tax the coils and caps in it. It should run pretty cool and last a while if the high...
    Post by: Ryengoth, Nov 14, 2019 in forum: XJ Technical Chat
  5. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    https://www.amazon.com/gp/product/B07X9Y5MXT/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1
    Post by: Ryengoth, Nov 14, 2019 in forum: XJ Technical Chat
  6. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    This specific booster pack supports 8-40 for 13.8V at 10A DC to make sure it picks up low revs from the stator coil.
    Post by: Ryengoth, Nov 14, 2019 in forum: XJ Technical Chat
  7. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    For $55 with free shipping I can't complain. Very heavy duty housing and PC lens. I still have to aim it. The bucket is all the way forward so...
    Post by: Ryengoth, Nov 14, 2019 in forum: XJ Technical Chat
  8. Ryengoth
    Post

    Dead Cylinder but has compression spark and fuel?????

    I had a similar issue with the 550 and it was the secondary fuel supply tube from the bowl. Clogged solid from debris after a full rebuild and an...
    Post by: Ryengoth, Nov 14, 2019 in forum: XJ Technical Chat
  9. Ryengoth
    Post

    Dead Cylinder but has compression spark and fuel?????

    Is there a secondary fuel tube in the bowl that could be clogged?
    Post by: Ryengoth, Nov 12, 2019 in forum: XJ Technical Chat
  10. Ryengoth
    Post

    What did you do to your Yamaha today?

    Dialed carbs 1 3 and 4 again while test riding around the house. Looks like I am going to have to pull the tank again to get #2 a little richer....
    Post by: Ryengoth, Nov 11, 2019 in forum: XJ Technical Chat
  11. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    7" LED replacement installed. [img] Low Beam [img] High Beam [img]
    Post by: Ryengoth, Nov 11, 2019 in forum: XJ Technical Chat
  12. Ryengoth
    Post

    Is their an led replacement bulb for the koito 4438 bulb 12v 50/40w

    For $55 I am impressed so far. Very hefty heatsink body, fits nicely in the bucket. The only annoying aspect is the voltage noise on the bike. It...
    Post by: Ryengoth, Nov 11, 2019 in forum: XJ Modifications
  13. Ryengoth
    Post

    Is their an led replacement bulb for the koito 4438 bulb 12v 50/40w

    [IMG] Low Beam [IMG] High Beam [IMG]
    Post by: Ryengoth, Nov 11, 2019 in forum: XJ Modifications
  14. Ryengoth
    Post

    XJ700 package deal

    Definitely going to need a soaking and probably a few pin pokes in the jet holes everywhere. Do you have a carb cleaning pin set? I'm looking at...
    Post by: Ryengoth, Nov 8, 2019 in forum: XJ Technical Chat
  15. Ryengoth
    Post

    Is their an led replacement bulb for the koito 4438 bulb 12v 50/40w

    I have one of these on the way now that the bike is running. Will post an update here and on my rebuild thread....
    Post by: Ryengoth, Nov 8, 2019 in forum: XJ Modifications
  16. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    If the screw head is in decent shape it's fine as long as you are easy with them. The 2 I replaced in from the carb parts have new screw heads and...
    Post by: Ryengoth, Nov 7, 2019 in forum: XJ Technical Chat
  17. Ryengoth
    Post

    What did you do to your Yamaha today?

    Finished replacing the two inner mix screws, retune and resync. Seems much better at wot and holding mid revs. Test ride on Sat to see how it...
    Post by: Ryengoth, Nov 6, 2019 in forum: XJ Technical Chat
  18. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    My wife has plenty of nail polish. Seeing it isn't the issue. The issue is the angle of attack to carbs 2 and 3 mix screws. The frame tubes are...
    Post by: Ryengoth, Nov 6, 2019 in forum: XJ Technical Chat
  19. Ryengoth
    Post

    What did you do to your Yamaha today?

    Looks like the brushes are short on life. Get a battery load tester from harbor freight. Well worth the cost to make sure the battery actually is...
    Post by: Ryengoth, Nov 6, 2019 in forum: XJ Technical Chat
  20. Ryengoth
    Post

    Dead Cylinder but has compression spark and fuel?????

    ^^^ Bench sync is a much better alternative than the starter-crank method since you can see where the butterfly is in relation to the fuel...
    Post by: Ryengoth, Nov 6, 2019 in forum: XJ Technical Chat
  21. Ryengoth
    Post

    Dead Cylinder but has compression spark and fuel?????

    No, the piston is tied to the crankshaft so it will be creating vaccum if the engine is turning at all. You can even do it with the starter and...
    Post by: Ryengoth, Nov 6, 2019 in forum: XJ Technical Chat
  22. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    The oil filter cover is leaking now so I need to drain the oil again and swap the O-ring at some point. I'll just pull the clutch cover, replace...
    Post by: Ryengoth, Nov 4, 2019 in forum: XJ Technical Chat
  23. Ryengoth
    Post

    XJ700 package deal

    Hmm... mower... motorcycle.... mower.... motorcycle. I do love some nicely pruned bermuda in the summer after honing the blades. Those engines...
    Post by: Ryengoth, Nov 4, 2019 in forum: XJ Technical Chat
  24. Ryengoth
    Post

    Dead Cylinder but has compression spark and fuel?????

    Sounds like it's getting quenched (too rich) and the sync is off between 3 and 4. Did you sync the carbs? Do that first if not or you will be...
    Post by: Ryengoth, Nov 4, 2019 in forum: XJ Technical Chat
  25. Ryengoth
    Post

    Overbore question

    I would never overbore an airhead due to possible wall warping. That little bit of extra "upmh" could quickly turn into a new upper half. If you...
    Post by: Ryengoth, Nov 4, 2019 in forum: XJ Technical Chat
  26. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Yeah, it still is if you goose it. It's no problem catching speed on upshift across the gears but you can't goose it in second to pull hard. I...
    Post by: Ryengoth, Nov 1, 2019 in forum: XJ Technical Chat
  27. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    4-gauge vacuum set is in. Carb sync tonight or tomorrow and video maybe.
    Post by: Ryengoth, Nov 1, 2019 in forum: XJ Technical Chat
  28. Ryengoth
    Post

    Considering transmission overhaul myself - terrible idea, or awesome idea?

    Permatex ultra-grey is a good option for metal mating surfaces that are machined and will not be coming back apart. The same formula is spec'd for...
    Post by: Ryengoth, Nov 1, 2019 in forum: XJ Technical Chat
  29. Ryengoth
    Post

    What did you do to your Yamaha today?

    Not true. I'm wrong, The SLA are often AGM but not marked that way. It's tougher to desulfate AGM since the mat physically touches the plates.
    Post by: Ryengoth, Oct 31, 2019 in forum: XJ Technical Chat
  30. Ryengoth
    Post

    What did you do to your Yamaha today?

    SLA are sealed flooded cell, not AGM. That is a different chemistry.
    Post by: Ryengoth, Oct 31, 2019 in forum: XJ Technical Chat
  31. Ryengoth
    Post

    What did you do to your Yamaha today?

    AGM are use and toss storage. If you go with the wet flooded cell you can use a desulfator on the battery while it is being maintained and used to...
    Post by: Ryengoth, Oct 30, 2019 in forum: XJ Technical Chat
  32. Ryengoth
    Post

    '82 XJ750 Maxim revival

    Don't go cheap on any of the carb parts. K&L makes a quality kit for Mikuni gaskets, seat/needle, idle jet caps and o-rings for around $20 on...
    Post by: Ryengoth, Oct 29, 2019 in forum: XJ Technical Chat
  33. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Cable adjustment and replaced oil/filter from break-in. Much better, but the carbs still need tuning. [MEDIA]
    Post by: Ryengoth, Oct 28, 2019 in forum: XJ Technical Chat
  34. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    So, limited engagement of clutch at rev and shifting up is like trying to move a rock Downshifting is fine. I suspect the oil was absorbed by the...
    Post by: Ryengoth, Oct 24, 2019 in forum: XJ Technical Chat
  35. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    [MEDIA]
    Post by: Ryengoth, Oct 23, 2019 in forum: XJ Technical Chat
  36. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    [MEDIA]
    Post by: Ryengoth, Oct 22, 2019 in forum: XJ Technical Chat
  37. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Wiring fixed. Going to try to get the tank petcock working correctly and tighten up the chain. If it's not too late I may get a first ride video,...
    Post by: Ryengoth, Oct 22, 2019 in forum: XJ Technical Chat
  38. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Tuned the carbs on an IV last night and pulled the tank petcock off. Got the pipes about the same temp and as cool as I could. I can almost grab...
    Post by: Ryengoth, Oct 18, 2019 in forum: XJ Technical Chat
  39. Ryengoth
    Post

    What did you do to your Yamaha today?

    The carbs are not that bad. I've worked on WAY more complicated car carbs. The linkages will only fit back together one way, just do each carb in...
    Post by: Ryengoth, Oct 18, 2019 in forum: XJ Technical Chat
  40. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Diode pack let out the magic smoke after I installed the fuel tank and got everything buttoned up and running. I guess my miswire with the...
    Post by: Ryengoth, Oct 17, 2019 in forum: XJ Technical Chat
  41. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Glove box is back on, front engine stabilizer and crash bars installed. The header pipes don't look too bad after a brush and polish. I'm not...
    Post by: Ryengoth, Oct 16, 2019 in forum: XJ Technical Chat
  42. Ryengoth
    Post

    What did you do to your Yamaha today?

    [IMG] Starting to look like a ride now. Wiring going into the light bucket needs a reroute. Waiting on carb boot clamps now. Tank will be primed...
    Post by: Ryengoth, Oct 15, 2019 in forum: XJ Technical Chat
  43. Ryengoth
    Post

    What did you do to your Yamaha today?

    It helps if you center punch the bolt after you file it to stop the drill bit from wandering.
    Post by: Ryengoth, Oct 15, 2019 in forum: XJ Technical Chat
  44. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Not that I am aware of. Same relay setup as before. It starts fine either way. I have a 130CCA battery but have not checked the float voltage...
    Post by: Ryengoth, Oct 14, 2019 in forum: XJ Technical Chat
  45. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Yeah, that's what I did. First time I've done that. But hey, the headlight and gauge lights come on with the key which is nice. It cranks now and...
    Post by: Ryengoth, Oct 14, 2019 in forum: XJ Technical Chat
  46. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    It was the black and white swapped with a blue wire. Bullet connectors should have been crimped opposite genders to avoid that. Headlight and...
    Post by: Ryengoth, Oct 13, 2019 in forum: XJ Technical Chat
  47. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Yes, the headlight (high and low beams) as well as the gauge lights come on with the key. I will check that. I did one at a time so it's doubtful...
    Post by: Ryengoth, Oct 13, 2019 in forum: XJ Technical Chat
  48. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    Why would the gauge and headlights turn on with the key but not neutral unless the engine kill switch is off?? I have reviewed the wiring over and...
    Post by: Ryengoth, Oct 12, 2019 in forum: XJ Technical Chat
  49. Ryengoth
    Post

    What did you do to your Yamaha today?

    #1 and #2 header pipes met the wire wheel and then blue/green polishing bars. New header gaskets installed. The right rear shock also finally got...
    Post by: Ryengoth, Oct 10, 2019 in forum: XJ Technical Chat
  50. Ryengoth
    Post

    1982 XJ550 Maxim rebuild

    [MEDIA]
    Post by: Ryengoth, Oct 8, 2019 in forum: XJ Technical Chat
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