Flooding problem
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Please can you post items for sale or wanted in the correct For Sale section. Items / bikes for sale here will be removed without warning. Reasons for this are in the FAQ. Thanks
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- Settled in member
- Posts: 28
- Joined: Thu Aug 06, 2009 5:53 pm
- Bike owned: CBR400RR NC29
- Location: The Zoo, South Africa
Flooding problem
Hi Guys
I need a bit of help/advice. My nc29 keeps on flooding, all-the-time. This all started a few weeks ago. So I pulled the plugs and they were black and wet. I dried them and after an hour or 2 I dropped them back in and tried again. Well I got it going after a few minutes but the next morning the same thing happened. I also opened the carbs and noticed it was using 122 main jets
. Can that be the problem or do I need new plugs?
Thanks
I need a bit of help/advice. My nc29 keeps on flooding, all-the-time. This all started a few weeks ago. So I pulled the plugs and they were black and wet. I dried them and after an hour or 2 I dropped them back in and tried again. Well I got it going after a few minutes but the next morning the same thing happened. I also opened the carbs and noticed it was using 122 main jets

Thanks
- w00dzy
- Site Supporter
- Posts: 514
- Joined: Sun Oct 12, 2008 10:44 pm
- Bike owned: Aprilia RSVR Mille
- Location: Hampshire
Re: Flooding problem
Does the bike have any mods?
Have you checked your float heights and the condition they are in?
Have you checked your float heights and the condition they are in?
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- Settled in member
- Posts: 28
- Joined: Thu Aug 06, 2009 5:53 pm
- Bike owned: CBR400RR NC29
- Location: The Zoo, South Africa
Re: Flooding problem
Just an aftermarket slip-on but that's it.
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- Settled in member
- Posts: 57
- Joined: Tue May 06, 2008 1:16 pm
- Location: southend
Re: Flooding problem
Have you managed to sort your problem?
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- Settled in member
- Posts: 28
- Joined: Thu Aug 06, 2009 5:53 pm
- Bike owned: CBR400RR NC29
- Location: The Zoo, South Africa
Re: Flooding problem
Yes, I did solve the prob by changing the huge 122 jets too smaller 112 jets. Starts easily now. Thank goodness
Cheers guys
Cheers guys

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- Settled in member
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- Joined: Sun Feb 21, 2010 9:30 pm
- Bike owned: NC29 and NC35
Re: Flooding problem
OMG 122 jets!!!! Were they out of a CBR900GooS3 wrote:Yes, I did solve the prob by changing the huge 122 jets too smaller 112 jets. Starts easily now. Thank goodness
Cheers guys

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- Settled in member
- Posts: 28
- Joined: Thu Aug 06, 2009 5:53 pm
- Bike owned: CBR400RR NC29
- Location: The Zoo, South Africa
Re: Flooding problem
I'm pretty sure they were cbr900 jets. I think the bike was used for racing before I bought it. Luckily for me the engine is in good condition.
cheers
cheers