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Old October 8th, 2015, 08:34 AM   #1
kris5495
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Unhappy Bike won't start again

So I left for a vacation and my bike didnt get to run for the past week and a half its now a lot colder where I live as well i try to turn it on the usual way my bike needs to be started full choke and a little chop in throttle and its just a steady starting noise without it firing up I've seen that it might be the plugs but I really don't want to have to dig into the engine any help?
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Old October 8th, 2015, 08:55 AM   #2
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Talking

well i'm glad I have a smart battery that has a tester built in under a load it was a low battery so i'm charging it now let's hope that's all it is
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Old October 8th, 2015, 08:56 AM   #3
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batteries and cold weather... :\
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Old October 8th, 2015, 09:19 AM   #4
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Old October 8th, 2015, 09:47 AM   #5
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I'm just worried that my power is leaking from the battery or something but im a very paranoid person so.
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Old October 8th, 2015, 09:56 AM   #6
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battery is fully charged plugged it back in bike still didn't start is it the plugs?
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Old October 8th, 2015, 11:53 AM   #7
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First thing I always look at is fuel. It's a big variable. It goes bad.

For starters I would drain the tank. Then drain the float bowls and look at what comes out. Any debris or water? A low level of fuel in the tank, and changing temps, can build-up a significant amount of condensation.

Refill with fresh 87 octane - no ethanol if that's an option for you. Gas with ethanol collect moisture, promotes rust and corrosion, and goes bad quicker. Avoid it if possible.

After you have filled the tank you will need to crank a bit to get the new gas flowing (vacuum petcock) - so be sure to have a strong and fully charged battery. Try full choke for a max of about 10 seconds of cranking or until you hear a sputter, then back it off. You may need to manually open the throttle slightly as you are cranking if it doesn't want to fire up or wants to sputter. Back the choke off as soon as you can and still keep it running.
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Old October 8th, 2015, 12:22 PM   #8
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Does it even turn over normally now? No?
I would bet your battery is failing under load. If it goes dead in a week, then there is a fair chance it's voltage falls well below 12 when you hit the start button. Try to jump it from a non running car.

If it is turning over as normal, then yea... go for the other comments made by Jay.
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Old October 19th, 2015, 04:25 PM   #9
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Bike is fixed carbs and plugs needed to be cleaned

new issue is that its so cold out now i have to put a blow dryer up to the carbs to get them warm enough to start lol
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Old October 19th, 2015, 06:44 PM   #10
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Old October 19th, 2015, 09:43 PM   #11
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How cold is it? You shouldn't need to do that of all is well with the carburetors.
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Old October 20th, 2015, 08:26 AM   #12
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Quote:
Originally Posted by kris5495 View Post
Bike is fixed carbs and plugs needed to be cleaned

new issue is that its so cold out now i have to put a blow dryer up to the carbs to get them warm enough to start lol
If it's that much colder the bike needs to be rejetted. They should have done this when cleaning the carbs, but they probably didn't. Simply turning the idle mix screw out a little bit might help, but if the bike is stock they would have to drill out the caps, and if "they" is a dealer they might not be willing to do that. Worth asking though.
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Old October 20th, 2015, 08:56 AM   #13
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As Ghostt said - you shouldn't need to jump through hoops to get it started if it's tuned properly.

We ride our dirt bikes in all temps - from 90F to 0F, and only make a minor adjustment to the idle mixture screws (like Spoof suggested) to compensate.

Old fuel, or fuel from warm weather, will make a big difference in starting when the temps fall. Any amount of condensation that has formed in the tank and made its way to the floatbowls will cause problems as well.

Tuning gets more important as the temps drop.
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Old October 20th, 2015, 10:35 AM   #14
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Sounds like the pilot circuit is clogged, or restricted,

Has a inline fuel filter been installed? Petcock working properly? Water in the fuel?

For you carburetor needs PM @ducatiman https://www.ninjette.org/forums/showthread.php?t=226815

Any modifications done to the bike?
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