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As a disciple of the "Holy shi*t! That worked!" school of mechanics, it can sometimes take me a bit longer than most to get to the root of a problem. For me and my kindred spirits, every bolt is an adventure; every adjustment an invitation into the dark and sinister world of the unknown.
It's not that we can't fix stuff, au contraire, we can be very effective. But you don't want to contract with us if time is of the essence. For us, time is stretched. It is relative, it is incalculable. My Honda 750 is a sweet ride, very reliable, an excellent performer. I will miss our daily rides when it must begin splitting its time with the XS. That day is coming. I can see the dawn.
But you don't even want to know how long it took me to get the 750 to this remarkable plateau. Suffice to say that it has been apart so many times that I can now disassemble and reassemble it blindfolded, in a foxhole, at night, with shells exploding all around.
So what does all this have to do with the vacuum advance of a 1979 XS1100F? Not much. But I tend to think I write better than I wrench. Faster too.
Which brings me to today's subject - the final hurdle.
I believe I have found the root of all my problems. I just don't know, right now, why it is happening or how to fix it.
I have discovered than when my bike is warm the vacuum advance gets real frisky. It sucks my idle up into stratopheric regions where only the space shuttle should roam. I don't know why. I just know that when the idle takes off, if I pull the vacuum hose from the advancer unit calm is restored.
I don't think the advancer is supposed to do that, but worse, don't know how to make it stop. I have two advancers. Both do the same thing. When they are off the bike both compress and extend easily. When they are now mounted, the plate on which they ride moves smoothly. When they are mounted, though, the vacuum sucks that plunger arm thingee (I apologize for the extreme technical term) up and the idle goes with it. It declines to come back down when the throttle is released.
How can I make this stop?
Patrick
It's not that we can't fix stuff, au contraire, we can be very effective. But you don't want to contract with us if time is of the essence. For us, time is stretched. It is relative, it is incalculable. My Honda 750 is a sweet ride, very reliable, an excellent performer. I will miss our daily rides when it must begin splitting its time with the XS. That day is coming. I can see the dawn.
But you don't even want to know how long it took me to get the 750 to this remarkable plateau. Suffice to say that it has been apart so many times that I can now disassemble and reassemble it blindfolded, in a foxhole, at night, with shells exploding all around.
So what does all this have to do with the vacuum advance of a 1979 XS1100F? Not much. But I tend to think I write better than I wrench. Faster too.
Which brings me to today's subject - the final hurdle.
I believe I have found the root of all my problems. I just don't know, right now, why it is happening or how to fix it.
I have discovered than when my bike is warm the vacuum advance gets real frisky. It sucks my idle up into stratopheric regions where only the space shuttle should roam. I don't know why. I just know that when the idle takes off, if I pull the vacuum hose from the advancer unit calm is restored.
I don't think the advancer is supposed to do that, but worse, don't know how to make it stop. I have two advancers. Both do the same thing. When they are off the bike both compress and extend easily. When they are now mounted, the plate on which they ride moves smoothly. When they are mounted, though, the vacuum sucks that plunger arm thingee (I apologize for the extreme technical term) up and the idle goes with it. It declines to come back down when the throttle is released.
How can I make this stop?
Patrick
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