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Mikuni carb question - 00 M750

Started by citizin, September 11, 2010, 09:47:36 AM

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ducpainter

#30
September 12, 2010, 11:08:28 AM
Quote from: citizin on September 12, 2010, 11:06:15 AM
dp = awesomeness
That is the best explanation in such a concise set of words.

You just helped me get my float levels set. I would buy you a beer right now.

[beer]
check around...

I drink vodka.  :P

You are welcome. Keep us posted.

BTW...what were they set at?
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


citizin

#31
September 12, 2010, 11:11:19 AM
well vodka it would be then...

they were at 16mm

ducpainter

#32
September 12, 2010, 11:13:18 AM
Quote from: citizin on September 12, 2010, 11:11:19 AM
well vodka it would be then...

they were at 16mm
I don't think that's the issue, but I've been wrong before.

Are you sure your pilot jets are clear?

Check them before you button up the carbs.
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


citizin

#33
September 12, 2010, 11:18:31 AM
Clear as vodka...

ducpainter

#34
September 12, 2010, 11:38:55 AM
OK...so the floats are set...and all the jets are clear...

the pump is delivering enough fuel to fill the bowls...

The diaphragms are in good shape and the o-ring is in place...

it fires on ether and raw gas squirted into the bellmouths.

It ran on full choke but died when you released the choke.

The idle screws are set at 4 turns out.

It should be running.

No start or idle usually means a clogged pilot jet or vacuum leak. The pump works off the same vacuum the carbs work off and the pump is at least functioning.

I'm confused.

"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


citizin

#35
September 12, 2010, 12:07:37 PM
It didn't fully run on full choke - it would run for a sec, then die.

I put the carbs back on just now and got the engine to kick over and run for a sec, but then it gives a real rough and low idle that just sputters and then dies. I can back out the idle screws and it starts to sound better, but then it just dies again.

ducpainter

#36
September 12, 2010, 12:09:32 PM
Are you using the choke/enrichener to start?
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


citizin

#37
September 12, 2010, 12:13:19 PM
Yes, I have to. It's not getting any fuel in gear.

ducpainter

#38
September 12, 2010, 12:15:55 PM
Quote from: citizin on September 12, 2010, 12:13:19 PM
Yes, I have to. It's not getting any fuel in gear.
What do you mean in gear?

Are you starting it and dropping it in gear and trying to ride off?
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


Ddan

#39
September 12, 2010, 02:23:04 PM
There is a screen where the fuel line connects to the carbs, check to see if it's got any crap in it.
2000 Monster 900Sie, a few changes
1992 900 SS, currently a pile of parts.  Now running
                    flogged successfully  NHMS  12 customized.  Twice.   T3 too.   Now retired.

Ducati Monster Forum at
www.ducatimonsterforum.org

citizin

#40
September 12, 2010, 02:48:31 PM
Quote from: humorless dp on September 12, 2010, 12:15:55 PM
What do you mean in gear?

Are you starting it and dropping it in gear and trying to ride off?

No no, keeping it on the stand and putting it in first gear to switch to the main jets....


But good news is, it's running now. Got a spray bottle full of gasoline, put it in neutral with full choke and just sprayed gas through the carbs until it ran. I guess there was either some hidden water or clog that was preventing proper fuel movement.

Thanks a billion dp, koko, dan, howie, anyone else I missed. Quite a learning experience this was...

ducpainter

#41
September 12, 2010, 02:54:31 PM
Quote from: citizin on September 12, 2010, 02:48:31 PM
No no, keeping it on the stand and putting it in first gear to switch to the main jets....


But good news is, it's running now. Got a spray bottle full of gasoline, put it in neutral with full choke and just sprayed gas through the carbs until it ran. I guess there was either some hidden water or clog that was preventing proper fuel movement.

Thanks a billion dp, koko, dan, howie, anyone else I missed. Quite a learning experience this was...

It was water. ;)

I told you to squirt gas in there. ;D

Glad to hear it's running. [thumbsup]
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


citizin

#42
September 12, 2010, 02:56:41 PM
Yes you were right - Oh Mightee DP!  [bow_down]

ducpainter

#43
September 12, 2010, 02:58:36 PM
Quote from: citizin on September 12, 2010, 02:56:41 PM
Yes you were right - Oh Mightee DP!  [bow_down]
I am not mighty...

I've just already been there. ;)
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


citizin

#44
September 12, 2010, 03:01:05 PM
Either way...big thanks DP!
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