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In this instructable video, I attempted to fix a hesitation and backfiring problem on my Honda Nighthawk CB450SC using SeaFoam. There are many ways to use this product on a motorcycle, but I will show you how I did it on a motorcycle that was not ridden for several months.

I first drained the fuel in the carburetor bowls. Then I filled them up with a 50/50 mix of SeaFoam and fuel then let it idle until the mixture was finished. Then I left 100% seafoam in the carburetor bowls overnight. The following day, I added 8 to 9 capfuls of SeaFoam in the tank, drained the bowls, and let it idle.

This process improved the hesitation issues by about 50%, but the backfiring was still present. After another treatment, the hesitation improved even more.

I hope you enjoyed this video, and if you would like to see more videos, check out my channel at http://youtube.com/BrownBrady. Thanks for watching.

<p>i just bought some of this </p><p>only one way of finding out if it really does what it says on the tin</p><p>:)</p>
<p>Nice video! I think I will pick up a can of Seafoam at AutoZone, next time I'm in there.</p>
<p>I use about an ounce of SeaFoam with each tank fillup. I've never had problems with dirty carbs, or even with fuel sitting in the system for months (e.g. winter) at a time. I love this stuff.</p>
<p>I just discovered SeaFoam a month ago and it does wonders to carbs. Thanks for the comment.</p>

About This Instructable

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Bio: Introverted rider, started riding after 40. People thought I was having a midlife crisis. I just wanted a motorcycle! Watch content for mature people of ... More »
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