July 24th, 2013, 05:29 PM | #1 |
ninjette.org member
Name: Derek
Location: Boynton Beach
Join Date: Mar 2013 Motorcycle(s): 08 cbr1000rr, 2008 + 2012 ninja 250, 06 zx6r (636!) track only Posts: 150
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Bike won't start, cleaned carbs, new gas, backfires whats next?
I was having a rough/staling idle so i cleaned the carbs, and can't get the bike to start back up.
-the carbs work flawlessly in a different bike -Gas is brand new 87 octane-today, gas was added by using the prime option for a little bit then set to "on", I tried draining the bowls just in case i flooded them and still no luck -The bike is backfiring every so often so i have spark(right?), but I will replace spark plugs anyway on Friday. -The bike inches forward a bit when in gear and hitting the starter (so i think the starter motor is still good) -The battery is fully charged before trying tests (battery tender has green light) -I can say I checked and re checked all hoses and wires but youll say check it again :\ So what would be my next steps to get this bike to fire? Is it an issue with timing of the spark and the fuel or lack of? Is there a way to test the vacuum system?
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July 24th, 2013, 06:37 PM | #2 |
n00b with the b00bs
Name: Jen
Location: Southern California
Join Date: Jan 2013 Motorcycle(s): 2007 EX250, 2008 EX250, 2001 ZR-7S, 2010 ZX-6R Posts: 470
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Do you have the air filter on it and buttoned up?
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July 24th, 2013, 06:57 PM | #3 |
ninjette.org member
Name: Derek
Location: Boynton Beach
Join Date: Mar 2013 Motorcycle(s): 08 cbr1000rr, 2008 + 2012 ninja 250, 06 zx6r (636!) track only Posts: 150
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Air filter in, boots are lined up on all 4 sides and tightened down
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July 24th, 2013, 07:38 PM | #4 |
Rev Limiter
Name: Jay
Location: WI
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Are you using choke? If so, I would turn it off after you hear any signs of life at all or after cranking for 5-10 seconds max. If it's on too long it may flood. Did you remove the idle mixture screw caps and change the settings? You may need to try different adjustments around 2 turns out.
Also try opening the throttle slightly while cranking with minimal or no choke. Looking at the color of the plugs may give you some idea of a rich or lean condition. You will most likely need to have the battery on a small charger if you are doing any amount of cranking. |
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July 24th, 2013, 08:04 PM | #5 |
ninjette.org member
Name: Derek
Location: Boynton Beach
Join Date: Mar 2013 Motorcycle(s): 08 cbr1000rr, 2008 + 2012 ninja 250, 06 zx6r (636!) track only Posts: 150
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yes tried choke on and off
will try your suggestions and report back tomorrow I did remove the caps of the idle screws to clean the, and returned them to stock settings
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July 24th, 2013, 08:35 PM | #6 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
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July 24th, 2013, 08:50 PM | #7 | |
ninjette.org member
Name: Derek
Location: Boynton Beach
Join Date: Mar 2013 Motorcycle(s): 08 cbr1000rr, 2008 + 2012 ninja 250, 06 zx6r (636!) track only Posts: 150
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Quote:
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July 26th, 2013, 09:53 PM | #8 |
ninjette.org member
Name: Derek
Location: Boynton Beach
Join Date: Mar 2013 Motorcycle(s): 08 cbr1000rr, 2008 + 2012 ninja 250, 06 zx6r (636!) track only Posts: 150
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Hey guys i replaced the plugs and it fired right up , no idea how they went bad just by pulling carbs off?
Csmith I tried adjust idle screws to no avail, waited for the plugs before doing anything else, then it turns out I didn't need to do anything else!
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