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Old 02-04-2011, 05:34 PM   #1
inglysh OP
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Location: Oshkosh, Wi
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winter maintenance and strange noises

ahhh.

so I had a rough day and I thought it would be good to get my mind of work by installing some farkle on my sleeping strom. as a wisconsin resident, the pup's been put away since december and i've been longing to get back on her.
I got everything installed alright, tankbag, gps+mount and switched power and I turn the key to check to see that it works, it does except....
The d*mned thing is making all kinds of noises I don't remember... now before you yell at me let me tell you I didn't turn the engine over, I am just listening to what I believe is the injectors priming the cylinders. This sounds normal. But what doesn't is another noise that starts just about halfway through the sequence... Which sounds like a hard drive during write mode, on it's last legs. It also makes the noise while the throttle is being manipulated (during the first 1/5 of a turn). I didn't mess with it too much since I don't know what I am doing and I have never noticed this before.
To be truthful it's been such a long time since I've heard it that I just don't remember what it is supposed to sound like. I am also reluctant to turn the engine over for fear that it will blow up or something (or at least everything I've read points to not running the thing in the winter unless you can put on some miles/get it up to temp which I can't as the roads are salty and crap).
Dying to know if it is even going to start though...
I went back over my work and didn't notice anything funny, loose wires, etc.
How terrible is it to turn it over and let it run for 15 minutes? Again, I live in Wisconsin and there is no way I am going to get it up to temp.
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Old 02-04-2011, 05:39 PM   #2
Flashmo
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Mine sounds like a sick hard drive every time I turn the key.
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Old 02-04-2011, 05:41 PM   #3
inglysh OP
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is it two distinct noises/pitches. Does it make the noise if you turn the throttle after the injector sequence? I've never turned it so I have no clue -
Thanks!
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1982 Yamaha Maxim 400
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Old 02-04-2011, 05:45 PM   #4
inglysh OP
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this is the noise - i am told it is normal... awesome.

thought I'd screwed something up for a moment.

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Why do they call it a "shortcut"? Shouldn't it just be the "way"?

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Old 02-04-2011, 06:01 PM   #5
concours
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It's the fuel pump that makes noise. The injectors do not prime the cylinders.
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Old 02-04-2011, 06:02 PM   #6
slobinski
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Wow. I've never heard mine play tunes like that while moving the throttle. All the other noises sound entirely normal, though.
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Old 02-04-2011, 06:21 PM   #7
assquatch20
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Until I learn morse code I'll probably stick to oldschool tech.
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Old 02-04-2011, 06:27 PM   #8
SilkMoneyLove
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Umm

Back up all your important files now and make a boot CD
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Old 02-05-2011, 04:12 PM   #9
Flashmo
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That's what mine sounds like when it boots up, although I have never played with the throttle while on and not running.
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Old 02-05-2011, 05:09 PM   #10
LuciferMutt
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I think it's a butterfly in the throttle bodies...a friend showed this to me once when his bike was apart and I forgot what it is, but when you operate the throttle, the cable moves one butterfly and a servo moves another one to match....can anybody confirm this? Seems like it was a cold air starter valve or something... If so the servo is what is making the noise. The fuel pump does not prime anything, just build pressure in the fuel rail.
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Old 02-06-2011, 03:04 PM   #11
Flashmo
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Checked my throttle today, makes the same sounds.
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