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    Happy Wanderer Timing set too far advanced does...

    Happy Wanderer
    Timing set too far advanced does lead to pinging, knock, detonation, or whatever you want to call it; but the correct term is detonation and it is destructive. Timing advanced too...
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    Double-plugging reduces the octane requirement of...

    Double-plugging reduces the octane requirement of the engine. The engine was "rattling" due to an octane deficiency. Double-plugging reduced the octane level required and the rattling stopped.
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    If you have single plugs, spark before TDC would...

    If you have single plugs, spark before TDC would be called normal operation as it takes a finite length of time for the flame front to start propagating. Hence to get the full benefit of the fuel...
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    8ninety8, I'm not picking on you, just using your...

    8ninety8, I'm not picking on you, just using your post as a segway to my commments. As a life-long hands-on engineer it bothers me when I see mis-information being disseminated. The four plugs in a...
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    I agree 100%. My 78 R100/7 has been...

    I agree 100%. My 78 R100/7 has been double-plugged since 1985 and running a Dyna ignition. I have a real problem believing people see improved starting by going back to points and single plugs. ...
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    Marketing

    Exactly. Just like Harley!
  7. Thread: Spokes

    by krpreston
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    Spokes

    I have absolutely no experience with stainless steel spokes, but as a mechanical engineer with many years of industrial experience I do know well that stainless steel on stainless steel is an open...
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    ?5 Original Tires

    :banghead

    That's what my R60/5 came with.
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    Stirling Engine

    That would be Stirling Cycle and it's completely unrelated. A Stirling cycle engine uses an external heat source so anything that burns can be used to add heat to the engine will make it work.
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    Motorcycle Cover

    I've had two Dowco covers on my bikes for 6-7 years. No sign of deterioration. No regrets.:thumb
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    Phil Funnel

    I'm still riding a '78 R100/7 purchased from Phil in 1978!
  12. Thread: Fuel reserve

    by krpreston
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    Running on Empty

    I blissfully trusted the computer on my ST1300 until the day I ran out a mile from a gas station with DTE indicated as 30km.
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    Tip Cleaners

    Go easy with the tip cleaners, though. They are, afterall, files, and the jets are brass.
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    Poll: Mobil V-Twin 20W-50

    [QUOTE=katcon85;828612]Mobil 1 V-twin 20w50 motorcycle oil.
    supposed to be API SJ rated:


    The Mobil 1 V-Twin 20W-50 container in my hand reads API SG/SH/CF
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    /2 fuses

    Likewise my'72
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    The two coils are in series. Power flows from the...

    The two coils are in series. Power flows from the ignition switch to the first coil, then to the second, then to the points, and finally to ground. I'm quite sure that Davis 2X1 is referring to the...
  17. The coils are in series and always fire at the...

    The coils are in series and always fire at the same time!
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    That would be "nylok" nuts.

    That would be "nylok" nuts.
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    Gasoline and Ethanol

    Dave: When did ethanol cease to be a fuel? When you're in a hole and don't know what you're doing, stop digging!
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    + a bunch with your mechanic. He's absolutely...

    + a bunch with your mechanic. He's absolutely correct!
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    Points?

    I went to a Dyna unit on my '78 R100/7 in 1985 when I dual-plugged it. Unit lasted 15 years until module failed. Got a new Dyna lll that still runs. Have had a spare Dyna unit for over ten years...
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    This isn't conjecture; it's pure nonsense! ...

    This isn't conjecture; it's pure nonsense! Compare the size of the ports in the petcock to the size of the carburetor jets and try to imagine how a petcock could starve two carbs.
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    Petcock use

    I only turn on one petcock as one provides way more than enough gasoline to run the engine and moreover because if I hit reserve on that side I still have a significant amount of gas left on the...
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    Litres/Quarts

    And this is a concern why? Since a litre, (correct spelling by the way), is 5.7% larger than a U.S. quart, you're getting more than you're used to!
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    On the other hand, I had one of these on my '78...

    On the other hand, I had one of these on my '78 R100/7 and I burned off wires inside the headlight shell twice and several times had to boost my battery to get started as an R100/7 generating system...
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