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How Much SeaFoam to use?

159K views 36 replies 20 participants last post by  cmonSTART 
#1 ·
Hey All -

I just got my new-to-me 73 Honda CB350 and it starts and runs okay (hard to start cold though). Anyhow, I am pretty sure that the carbs should (maybe not NEED to be) be cleaned out. I wanted to try using SeaFoam, because hey, it couldn't hurt. I want to see if I can avoid carb work as long as possible.

So, I know what it does (the SeaFoam, that is), but do not know how much I should put in for the first go-round cleaning. I am looking to put it in both my oil and gas (gas first, though to see what happens). I know that some people use a bit in each tank, but I am looking on how much to add to a 5 gallon tank for an intial clean. Thanks!

Mike
 
#36 ·
Holy ****! Mama Mia! That' s a tasty float bowl! ;)

Yep, not a job for Seafoam. lol

I've had similar and many with a chalky whitish residue, which I have assumed is aluminum oxidation from the water the alcohol has introduced via the "modern" fuel.

Back when I was getting the CB350 running I cleaned me some CV carbs so many times I could do it with my sleep in about five minutes. Now I have a pair of crispy 350As sitting and ready to go into the restoration. :) These will stay nice and clean.

Cheers,

Mike
 
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