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  1. mdee
    Post

    Burning too much fuel

    +1 That’s how I have always responded to the question when asked what my MPG is. Many people assume a motorcycle gets outstanding MPG. (Maybe...
    Post by: mdee, Sep 17, 2010 in forum: XJ Technical Chat
  2. mdee
    Post

    Burning too much fuel

    My bike burns fuel fast when driven fast. Maybe ask her to try slowing down :)
    Post by: mdee, Sep 16, 2010 in forum: XJ Technical Chat
  3. mdee
    Post

    can someone PLEASE post a pic of front spindle

    I have a Seca 750 so it’s possibly different, but that drawing looks to be same. Maybe you are missing one of the other parts or they are the...
    Post by: mdee, Sep 15, 2010 in forum: XJ Technical Chat
  4. mdee
    Post

    can someone PLEASE post a pic of front spindle

    #18 (collar) goes over the largest diameter (the non-threaded end) of axle. It is not a part that gets tightened with the axle nut. The part...
    Post by: mdee, Sep 15, 2010 in forum: XJ Technical Chat
  5. mdee
    Post

    XJ750 SECA coil and jetting question (Possibly Solved!)

    Re: XJ750 SECA coil and jetting question (fouled plugs) I agree as Polock suggests turning pilot fuel mixture screws out to 3.5 turns. You may...
    Post by: mdee, Sep 15, 2010 in forum: XJ Technical Chat
  6. mdee
    Post

    XJ750 SECA coil and jetting question (Possibly Solved!)

    Re: XJ750 SECA coil and jetting question (fouled plugs) I think you should not worry about the compression #s. At least until you fix plug and...
    Post by: mdee, Sep 15, 2010 in forum: XJ Technical Chat
  7. mdee
    Post

    XJ750 SECA coil and jetting question (Possibly Solved!)

    Re: XJ750 SECA coil and jetting question (fouled plugs) Your welcome Geej My Yamaha Service Manual lists in same box of specs: Main jet #120...
    Post by: mdee, Sep 15, 2010 in forum: XJ Technical Chat
  8. mdee
    Post

    XJ750 SECA coil and jetting question (Possibly Solved!)

    Re: XJ750 SECA coil and jetting question (fouled plugs) I have a 1982 Seca 750 (runs great!) I cleaned my carbs, they are factory original. My...
    Post by: mdee, Sep 14, 2010 in forum: XJ Technical Chat
  9. mdee
    Post

    Engine Revs way up when the choke is shut off!

    Make sure the idle screw is backed off. Without opening the butterflies, I would think it difficult to get to 5K rpm. Maybe the carbs are far out...
    Post by: mdee, Sep 14, 2010 in forum: XJ Technical Chat
  10. mdee
    Post

    Overcharged but won't turn starter?????

    ‘22’ on the digital meter may really be 2.2 (two point two) No starter turny at 2.2 volts. I have an electronics background. I have...
    Post by: mdee, Sep 14, 2010 in forum: XJ Technical Chat
  11. mdee
    Post

    XJ700 Lean Misfire begins when ridden at 55MPH when warm

    For myself, I did not want to pull carbs off bike just to find they were good level. I checked on bike and found only carb # 4 to need...
    Post by: mdee, Sep 13, 2010 in forum: XJ Technical Chat
  12. mdee
    Post

    XJ700 Lean Misfire begins when ridden at 55MPH when warm

    Good diagnosing. You need to get the carbs level and thus must find way to get front of bike far off ground. Must also be level side to side. I...
    Post by: mdee, Sep 13, 2010 in forum: XJ Technical Chat
  13. mdee
    Post

    XJ700 Lean Misfire begins when ridden at 55MPH when warm

    I cringe at the thought of you needing to pull the carbs off again. 5+ times is more than enough. You have checked many things, but not wet float...
    Post by: mdee, Sep 13, 2010 in forum: XJ Technical Chat
  14. mdee
    Post

    FUSE BLOCK? Maybe?

    Could be as deep as the kill switch on the handle bar. Flip it and see what happens. Although the kill switch would not kill all power. All...
    Post by: mdee, Sep 13, 2010 in forum: XJ Technical Chat
  15. mdee
    Post

    XJ Experts, Am I rich or lean

    Wow ! Good job finding that. Without proper sized jets to compare and stumble upon the visual size difference, you had to be inclined to actually...
    Post by: mdee, Sep 13, 2010 in forum: XJ Technical Chat
  16. mdee
    Post

    Overcharged but won't turn starter?????

    I have never heard of a 12 volt battery producing more than 13 volts. As far as I now the only way to have more than 13 volts is to have an...
    Post by: mdee, Sep 12, 2010 in forum: XJ Technical Chat
  17. mdee
    Post

    XJ Experts, Am I rich or lean

    Something that maybe has been over-looked. Fuel enrichment plungers. Check that they are closing with lever in off position. Should have free...
    Post by: mdee, Sep 10, 2010 in forum: XJ Technical Chat
  18. mdee
    Post

    XJ Experts, Am I rich or lean

    How did you come to setting the mixture screws at 3/4 turn out? Not knowing your answer, I would turn them out to 2.5 to 3.5 as a starting point....
    Post by: mdee, Sep 10, 2010 in forum: XJ Technical Chat
  19. mdee
    Post

    XJ Experts, Am I rich or lean

    Open oil file hole and smell for gas. Since it appears the bike is running rich at some point, there may be gas getting into the crankcase. The...
    Post by: mdee, Sep 10, 2010 in forum: XJ Technical Chat
  20. mdee
    Post

    XJ Experts, Am I rich or lean

    Imagine this: Both float seats and petcock leak over night. The next day you engage choke and push starter but all that fuel has flooded engine....
    Post by: mdee, Sep 10, 2010 in forum: XJ Technical Chat
  21. mdee
    Post

    XJ Experts, Am I rich or lean

    What is the condition of the petcock? What position do you have it set to? If the float seats are leaking along with petcock, the carbs are...
    Post by: mdee, Sep 10, 2010 in forum: XJ Technical Chat
  22. mdee
    Post

    XJ Experts, Am I rich or lean

    My bike starts belligerently warm. Run till hot, turn off and let sit 10 mins, belligerent start. Restart hot or cold, no problems. Otherwise...
    Post by: mdee, Sep 10, 2010 in forum: XJ Technical Chat
  23. mdee
    Post

    gas smell but no leak??

    lopezfr2 - Your quote: ‘…i've had the tank off many many times…’ Open the oil fill plug and smell for gas in the crank case. If it...
    Post by: mdee, Sep 9, 2010 in forum: XJ Technical Chat
  24. mdee
    Post

    Starts in neutral dies in gear

    I agree the side stand switch is the most probable cause. I had the side stand switch actuator extension off my bike for years and don’t...
    Post by: mdee, Sep 9, 2010 in forum: XJ Technical Chat
  25. mdee
    Post

    downloadible repair manual

    breaker breaker, good buddy Do you copy? http://www.youtube.com/watch?v=EfGgorajsro Copyright have expirations (about 100 years). BTW –...
    Post by: mdee, Sep 9, 2010 in forum: XJ Technical Chat
  26. mdee
    Post

    downloadible repair manual

    I like libraries. They are a great source of education using legitimately obtained works. Copyright protects works from illegal copying. Can you...
    Post by: mdee, Sep 8, 2010 in forum: XJ Technical Chat
  27. mdee
    Post

    running real bad after rain SOLVED

    Re: running real bad after rain Coils. I found very visible cracks in my left side coil. My bike would run rough for a while after washing...
    Post by: mdee, Sep 8, 2010 in forum: XJ Technical Chat
  28. mdee
    Post

    downloadible repair manual

    If new vehicle owners did in fact pay for documentation when they purchased the vehicle, the documentation would have been delivered with the...
    Post by: mdee, Sep 8, 2010 in forum: XJ Technical Chat
  29. mdee
    Post

    HOW TO: Install an aftermarket fuse box

    Metal_Bob – Good link ! Although the PC-8 is wrong design (bus). At same website I found: Metri-Pack 280 3 Fuse Fuseholder for ATM Type...
    Post by: mdee, Sep 5, 2010 in forum: XJ DIY How-To Instructions
  30. mdee
    Post

    Idle problems

    A fun way to view the term ‘choke’ is, the engine can ‘choke’ on too much fuel if the fuel enrichment mechanism is full on with engine hot...
    Post by: mdee, Sep 4, 2010 in forum: XJ Technical Chat
  31. mdee
    Post

    Idle problems

    I think the bike would run like that if the floats were set too high. Sounds like the poor thing is drowning in fuel at idle. Once you get the...
    Post by: mdee, Sep 3, 2010 in forum: XJ Technical Chat
  32. mdee
    Post

    YICS & Spark Plug Indexing

    It does make sense to me that the intensity and angle of attack of the ignition source (spark) would play a role in the efficiency of the...
    Post by: mdee, Aug 30, 2010 in forum: XJ Technical Chat
  33. mdee
    Post

    YICS & Spark Plug Indexing

    Here’s a question while we are on the subject of diminishing returns. What about the affect of lowered compression due to the increased...
    Post by: mdee, Aug 30, 2010 in forum: XJ Technical Chat
  34. mdee
    Post

    Starter clutch-Major repair

    bigfitz52 – Which of the Castrol 4T oils do you use? Too many types of oil on the market. Need the details. Castrol website lists FOUR 4T oils...
    Post by: mdee, Aug 30, 2010 in forum: XJ Technical Chat
  35. mdee
    Post

    Fuel line empties when disconnect

    I agree that is a small amount of fuel. But it still leaves me wondering. Here’s my concern. I have recently been paying (in time mostly) lots...
    Post by: mdee, Aug 30, 2010 in forum: XJ Technical Chat
  36. mdee
    Post

    Fuel line empties when disconnect

    I understand that the petcock is holding back the gas via (surface tension I think is the term) because the line is closed at the petcock end....
    Post by: mdee, Aug 30, 2010 in forum: XJ Technical Chat
  37. mdee
    Thread

    Fuel line empties when disconnect

    I have a clear fuel line with clear in-line fuel filter. I have been monitoring the fuel level in line. I leave the petcock on RES. I ride and...
    Thread by: mdee, Aug 30, 2010, 8 replies, in forum: XJ Technical Chat
  38. mdee
    Post

    Starter clutch-Major repair

    What timing, I was within minutes of buying Castol 20W-50 MC oil. Castrol MC 4T (no synthetic) is what I was planning to buy. Castol website...
    Post by: mdee, Aug 30, 2010 in forum: XJ Technical Chat
  39. mdee
    Post

    Starter clutch-Major repair

    Galamb – What oil brand / type / viscosity do you use? Was the old oil and new oil the same?
    Post by: mdee, Aug 30, 2010 in forum: XJ Technical Chat
  40. mdee
    Post

    Seca owners; Fuel level vs what the gauge says. And MPG

    KrS14 – thanks for giving me a clue as to why my gas mileage was in the <30mpg range, while I read some getting >45mpg. I only ever measured...
    Post by: mdee, Aug 29, 2010 in forum: XJ Technical Chat
  41. mdee
    Post

    YICS & Spark Plug Indexing

    mlew – I respect empirical results. What direction do you face the plugs? e.g. which direction is the ground electrode? Are you getting those...
    Post by: mdee, Aug 29, 2010 in forum: XJ Technical Chat
  42. mdee
    Post

    YICS & Spark Plug Indexing

    I find deposits concentrated on one side on some of my plugs. Don’t know what the deposits are. It never occurred to me to use plug indexing to...
    Post by: mdee, Aug 28, 2010 in forum: XJ Technical Chat
  43. mdee
    Thread

    YICS & Spark Plug Indexing

    Kidding aside regarding worthiness of plug indexing. It occurred to me, in my random thoughts, that the swirl of air/fuel mix into combustion...
    Thread by: mdee, Aug 28, 2010, 11 replies, in forum: XJ Technical Chat
  44. mdee
    Post

    **UPDATE** My Seca Woes :( Need Advice guys.

    pillowmaster50 – Screw threads start at only one place on the spiral, whether internal or external treads. The same spark plug will start and...
    Post by: mdee, Aug 27, 2010 in forum: XJ Technical Chat
  45. mdee
    Post

    Picking up 1993 Seca 2, need advice on bringing back to life

    I have the opposite sense compared to other fear mongers. At 5K miles the bike is virtually new. You need confidence in your shadetree mechanics...
    Post by: mdee, Aug 27, 2010 in forum: XJ Technical Chat
  46. mdee
    Post

    **UPDATE** My Seca Woes :( Need Advice guys.

    Thanks iwingameover. I was looking for a task I could waste my time on instead of focusing on the real issues on an aging 30 year old motorcycle !
    Post by: mdee, Aug 27, 2010 in forum: XJ Technical Chat
  47. mdee
    Post

    **UPDATE** My Seca Woes :( Need Advice guys.

    My air box always smells of gas no matter what air freshener I’ve tried.
    Post by: mdee, Aug 27, 2010 in forum: XJ Technical Chat
  48. mdee
    Post

    **UPDATE** My Seca Woes :( Need Advice guys.

    Polock – I’ve been meaning to ask you that. Where do you index your plugs? I usually index my spares to the tool compartment.
    Post by: mdee, Aug 27, 2010 in forum: XJ Technical Chat
  49. mdee
    Post

    Xj750 Maxim Not starting

    The coils input are just two wires, one ground the other input voltage. The input voltage (positive side) is hard wired to system 12volts...
    Post by: mdee, Aug 27, 2010 in forum: XJ Technical Chat
  50. mdee
    Post

    **UPDATE** My Seca Woes :( Need Advice guys.

    Padre – Thanks for providing me the clue as to why the plug caps on #1 & 4 have different resistance specs than the plug caps on #2 & 3. The...
    Post by: mdee, Aug 27, 2010 in forum: XJ Technical Chat
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