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Discussion Starter #1
CBR won’t start help.

1999 CBR 900. It has sat outside (under a cover) for the last month in the cold. Last start was 2 weeks ago.

I am in Canada ans the temp is around the freezing point hi of 42 low of 28 or so (-5C to 10C)

Went to start it yesterday and it started up and was quit rough. I gave it a shot of gas and it bogged out. After it died I tried for like 3 hours to get it running but no go.

I figured it got flooded and tried letting it sit then the full throlle start…nothing.
I put fresh gas. Verified spark. Etc. nothing

All that happens is a little bit of smoke out the pipe that smells like gas. So I assume it is getting gas. I checked the tank valve to verify that gas was flowing and it was.

I’m at a loss. Any suggestions.?

I am hoping that letting it sit overnight may resolve the flooding if that is the problem.

My antifreeze shows it is only good for around – 5 so I need to get new stuff circulated and put this baby to rest for the winter.

I’m at a loss. Any suggestion.?

Thanx!

mo
 

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Did you try starting it with the choke in the 0ff position? I had a simmilar problem. I tried and tried to start it with the choke on and in diferent throtle positions and nothing. I pushed the choke back down started cranking it over, gave it a little throtle and it fired right up. It was also very cold here.
 

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Discussion Starter #3
I tried every position..

3 hours on and off worth.

I'm hoping when I get home from work tonight she will fire up for me

man I hope!
 

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Discussion Starter #5
So I get home tonight and try to start it again.

no go not even a grap

so I take out a spark plug. It is quite wet and smells of gas.

What does that mean.

can I dry out the plugs or do i simply replace them

thoughts?
 

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replace them....iridium plugs altho expensive are awesome. I have a 98 and found the difference to be worth the extra expense. Have you tried roll starting it?
 

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Been a lot of strain on your battery with the continual try in starting SO put a low trickle charger on the battery.

I honestly feel, that anyone with an electric starting m/c should have a GOOD trickle charger & probably best on the market is a Battery Tender (trade name) & it will even pay off in the hot summer days when you are starting & stopping quite often & NOT giving the bike a decent run at over 3 thou & yes I know you have hot days as I have been in Ontario. Same here in the southern central part of B.C.

Of interest the Battery Tender has been on the market for quite a number of yrs with aim to do a decent job on small batteries. Only kicks out 1.25 amps & when charging the idiot light will read Red, but once the battery is fully charged a Green idiot light is on indicating battery fully charged & now it is in Storage Mode.
 

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Discussion Starter #8
I just ordered 4 new plugs from my local auto parts store. $10 a plug..not bad.

Tonight will be the test!

From what I have read, a wet plug dissipates the spark through the wetness and there for you don't get the combustion to get her going.

I also found a useful article

http://hostingprod.com/@aa1car.com/library/cm1196.htm

I'll let you all know how it works out.
 

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Discussion Starter #9
Wll its 8:32pm and I'm glaD to say my baby is up and runing!

Changed the plugs and the oil to be safe.

one press of the button and bang she fired right up ... didn't even need a boost.

13 years or riding and I have never flooded a bike like this.

live and learn!

Thanx to everyone for their input...

All the best!

- - - mo
 

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Thanks for the info same thing happen here with my bike just order some new plugs finger cross it looks like mind flooded too tryed all day on and off many thanks bcm2001 will let you know the out come


Put New Plugs in her and away it went many thanks for your Help
 

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If you got that much fuel into the cylinders, some of that fuel is now in your oil. Change your oil and filter. Gas will leak down past the piston rings.
 

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If that happens again and you know your battery is good enough for a strong crank, open the throttle with the choke off while starting to purge the cylinders for 10 seconds. Much longer and the starter can get very hot.

When the throttle closes, there should be enough vacuum to cause remaining gas inside the cylinders to "fog." If it fogs too much, the fuel/air mixture will be saturated and no combustion will take place. Gasoline only combusts between a narrow range. If its too rich or too lean, no amount of hot spark will start it. Cracking the throttle a little while starting might find the sweet fuel/air ratio to get it started. This makes carbed bikes so much fun to start in the winter.
 

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Thanks for all the info. I am an auto electrician and have never seen an engine flood so badly. Like the rest of you I changed the plugs and the oil and away she went.
 
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