November 7th, 2023, 08:18 AM | #1 |
ninjette.org newbie
Name: pete
Location: so cali
Join Date: Aug 2023 Motorcycle(s): ex250f /250r/ katana600 Posts: 3
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HELP holding hand over carbs to start
Hey all i'm new here so bear with me plz. i have an '03 ex 250F which i just bought. all the cali emissions were removed as well as the air box and the carbs have pod filters attached to them. The only way i have any success getting it to start is filters off,throttle full blast,choke off with my hand covering up both carbs essentially choking the hell out of it. the left carb backfires a bit and eventually it starts and runs if i pull my hand away just enough once it starts to fire. I know the petcock is shot wont shut off s would constantly flood except for theres like a secondary petcock looks like off a generator which is definately a temporary. why do i have to hold my hand over the carbs to start it and what can i do to start it normally and keep it running for longer than a minute once i take my hand away from the carbs???????PLEASE HELP
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November 7th, 2023, 08:35 AM | #2 |
ran when parked
Name: Katie
Location: DC/MD
Join Date: Aug 2013 Motorcycle(s): Freeride 250R, KLX250SF, mopeds Posts: A lot.
MOTM - Sep '17, Dec '14
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pete626cali! Glad to have you aboard...
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Instagram: @katie.baden |
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November 7th, 2023, 09:15 AM | #3 |
ninjette.org certified postwhore
Name: Gordon
Location: new york
Join Date: Sep 2009 Motorcycle(s): '95 DUCATI 900SS/SP '07 DUCATI SS800 '19 HONDA CBR650R Posts: A lot.
MOTM - Nov '18, Mar '17
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1st: a total carb clean/split including all circuits and decel valve (replacing all orings involved)
2nd: rebuild or replace the petcock 3rd: get rid of the accessory petcock 4th:assure all vacuum lines fit tight, if not replace as necessary 5th: make note of your internal jetting/needles/shims
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Custom Carb Service |
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November 7th, 2023, 01:35 PM | #4 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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Hi Pete, welcome.
Ducatiman has all the parts on hand and the knowledge to restore these carbs to new condition, in case you want to save some time and effort. I've always done my own work, but I had him do my 250 carbs and the difference was amazing. |
1 out of 1 members found this post helpful. |
November 10th, 2023, 01:17 AM | #5 |
ninjette.org certified postwhore
Name: Kerry
Location: Ventura, CA
Join Date: Jan 2016 Motorcycle(s): Ninja650 Posts: A lot.
MOTM - Apr '18, Apr '17, Apr '16
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Welcome! What part of SoCal you in? And I second the recommendation for ducatiman's service- he did my friend's bike and it runs great now.
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1 out of 1 members found this post helpful. |
November 27th, 2023, 10:48 PM | #6 |
ninjette.org newbie
Name: pete
Location: so cali
Join Date: Aug 2023 Motorcycle(s): ex250f /250r/ katana600 Posts: 3
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Hey thanks for the reply. I currently reside in Riverside but am from Pasadena.ca always and forever. I cleaned my carbs,synched them, and ordered a new petcock and installed it and the bike runs ****. Thanks all for your input Im sure there's gonna be other snags sooner than later with my buzzard luck...
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1 out of 1 members found this post helpful. |
November 28th, 2023, 06:24 AM | #7 |
ninjette.org certified postwhore
Name: Gordon
Location: new york
Join Date: Sep 2009 Motorcycle(s): '95 DUCATI 900SS/SP '07 DUCATI SS800 '19 HONDA CBR650R Posts: A lot.
MOTM - Nov '18, Mar '17
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exactly what do the 4 stars stand for?
and your internal jetting specs are? main, pilot, needle? The vent tube is NOT plugged, free to breathe?
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Custom Carb Service |
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November 28th, 2023, 10:12 AM | #8 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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I'm a little confused about that too, since the post otherwise makes it sound like the bike is running OK now.
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November 30th, 2023, 08:39 AM | #9 |
ninjette.org newbie
Name: pete
Location: so cali
Join Date: Aug 2023 Motorcycle(s): ex250f /250r/ katana600 Posts: 3
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The 4 stars were an edit not of my doing it was another word for breasts. As far as those specs go, I have no idea about them,don't even know how to gauge them. The breather is okay. After installing the new petcock,I fired the bike up,it started right away mind you but all of a sudden oily gas started spewing like a geiser out of the crank case breather like crazy. I switched the two lines on the petcock and it seemed to fix the problem. Now I'm gonna change the oil and see what. Happens
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