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CARB BACKFIRE FIXES PROBLEM?

Old 07-06-2010, 09:26 PM
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CARB BACKFIRE FIXES PROBLEM?

So I still had'nt pulled my carbs to see if I could resolve the issue with a flat spot. Last night I pull up to a stop sign and I'm blipping the throttle. I get two consecutive small carb backfires and ever since, it's run perfect! I'm going to take her out to stretch her legs tomorrow. I'll report back with results. It sure would be nice if the problem is resolved, regardless of the technique leading to the resolution!

Last edited by ranchomice; 07-07-2010 at 10:44 PM.
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Old 07-06-2010, 10:34 PM
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Originally Posted by ranchomice View Post
So I still had'nt pulled my carbs to see if I could resolve the issue with a flat spot. Last night I pull up to a stop sign and I'm blipping the throttle. I get to consecutive small carb backfires and ever since, it's run perfect! I'm going to take her out to stretch her legs tomorrow. I'll report back with results. It sure would be nice if the problem is resolved, regardless of the technique leading to the resolution!
Sounds like a passage got clogged when the fuel line broke. The pressure wave from the backfire cleared the blockage. Be prepared for it to happen again as whatever caused the problem might still be in the float bowl and could clog something up again....
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Old 07-06-2010, 10:36 PM
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But I don't want it to clog something again!
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Old 07-06-2010, 10:42 PM
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Pull the carbs and clean out the float bowls and blow out the jets....... that is if it does it again.
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Old 07-06-2010, 10:45 PM
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The thing produces huge grins when it runs right. It is absolutely priceless to be able to just pluck the front end up with a flick of the wrist! I've missed it.
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Old 07-07-2010, 05:44 PM
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So how it running today??
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Old 07-07-2010, 10:43 PM
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It ran flawless. I took it out on a 70 mile canyon twisty ride and it gave me no problems at all. This was actually my first time out on my own where I could get as agressive as a wanted and it felt pretty good. I have nothing (for many years) to compare it to but it seemed to handle pretty good to me. I won't be changing the second fuel line for a bit. I'm afraid to touch it while it's runnig right!
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Old 11-08-2010, 04:49 PM
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along the lines of carb backfires

just picked up a 99 with <10k miles. clean. starts right up. runs hard. love the slamming of pistons under my legs at low rpms!

is it recommended to spray carb cleaner into air intake, or seafoam into the gas, or is a deep clean of the carbs a prefered method?

i have a random backfire while at idle, and then heard it a few times on engine braking.
caused a few stop sign engine kills. id just like to solve the issue before it causes other problems.

friend said replace spark plugs, but they are clean.

what is in your guys knowledgebase of carbs? mine is newb, but im learning every day! i came from an inline4 fuel injected

-b


ps.. oh yeah stock.
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Old 11-08-2010, 10:08 PM
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Send hawk8541 a message, he's a knowledge base in and of himself! He has done some work on mine and he knows this bike extremely well.
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Old 11-10-2010, 04:00 PM
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haha yeah
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Thumbs down

that hawk is not on the user list

https://www.superhawkforum.com/forum...e&ltr=H&page=2
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Old 11-10-2010, 04:16 PM
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It's 8541Hawk you're looking for- he knows his stuff. And is like 5 posts up.
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Old 11-10-2010, 04:29 PM
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I wouldn't trust that guy........lol
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