February 17th, 2019, 10:47 AM | #1 |
ninjette.org member
Name: Rich
Location: Edmond, OK
Join Date: Apr 2012 Motorcycle(s): Ninja 250, SV 650 Posts: 14
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Bike sat for two years.....
Super mad at myself for doing this twice....
Race bike sat for a year with minimal use. I'd start it here and there, but it progressively starting running worse. I cleaned the carbs, during which time I noticed the diaphragms were a bit deformed and essentially would not go back into the carbs. Fortunately I had a spare set on my parts bike. Bike ran great afterwards, but I still didn't race it. I ran it here and there, but for the last year it has been in off site storage. I tore into it last night and this morning. New plugs and fuel, but wouldn't start. Pulled the carbs and cleaned them. Diaphragms are deformed again. Can't get them to seat in the carbs properly. Is there any "saving" of them? They appear to cost $125ish each, which is crazy. Thanks for the help, and bring on the "bad bike owner" comments. |
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February 17th, 2019, 11:29 AM | #2 |
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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WTF? With the flower petal like appearance...would indicate they were not seated correctly....and/or subjected to chemical exposure? creating such an abnormal pattern? Did you use some sort of starting fluid or carb cleaner?
You could try washing them in warm soapy water (NO harsh chemicals), followed by bathing them in a product called Rubber Renue...see what happens. But NO GUARANTEES. Next cheapest option? Probably...look for used slides or salvage carbs on the board here? Or ebay? Other options... if interested I've got a fully refurbed, like new carbset in stock for '08-'12 models (you didn't specify what year you've got in your post) I've got aftermarket rubbers in stock, they require intense surgery to swap over....but can do if needed. PM me if I can be of further service. Good luck with it.
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Custom Carb Service Last futzed with by ducatiman; February 17th, 2019 at 11:32 AM. Reason: clarity |
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February 17th, 2019, 11:46 AM | #3 |
ninjette.org certified postwhore
Name: Roger
Location: Mitchell, South Dakota
Join Date: Apr 2014 Motorcycle(s): 1978 Z1R, 1999 EX250 Posts: A lot.
MOTY - 2018, MOTM - Oct '16
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And another thought....you say it's a race bike, what fuel are you running?
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February 17th, 2019, 12:45 PM | #4 | |
ninjette.org member
Name: Rich
Location: Edmond, OK
Join Date: Apr 2012 Motorcycle(s): Ninja 250, SV 650 Posts: 14
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Quote:
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February 18th, 2019, 09:09 AM | #5 |
ninjette.org member
Name: Rich
Location: Edmond, OK
Join Date: Apr 2012 Motorcycle(s): Ninja 250, SV 650 Posts: 14
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Think I'm making progress, but I cannot get the airbox back on the carbs to save my life. I don't have a ton of experience with it - until I moved to "WERA Land" I used pod filters as they were legal with CMRA.
Is there some trick to getting this thing back on? |
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February 18th, 2019, 09:50 AM | #6 |
Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot.
MOTM - Jun '18, Oct '16
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See if this helps - https://faq.ninja250.org/wiki/Removing_the_airbox
This may or may not be legal in your class - https://faq.ninja250.org/wiki/Batter...r_carb_removal |
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February 18th, 2019, 07:03 PM | #7 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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To get airbox back on:
1. Push carbs onto boots on head. Tighten all 4 hose-clamps 2. Loosen both hose-clamps on airbox to maximim, 1-thread from falling off 3. Push/wiggle airbox onto carbs so they are fully seated 4. Tighten both hose-clamps 5. Connect crankcase vent 6. Route carb vent down middle back down to shock 7. Re-install cables. |
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