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Sea Foam and gasoline ratio to clean gummed up carburetor [SOLVED]

I have a 2008 Kawasaki KLR 650 that has not been started in maybe a year? I started it the other day (after multiple attempts). It idles fine, however sputters / tries to die at about 2,200 rpms. I am guessing the carburetor is ‘gummed up’ / maybe has a clogged jet, etc…? Is it safe for the engine, if I use ‘straight’ Sea Foam (no gasoline) in the fuel tank? In an effort to ‘un gum’ the carburetor? My preference is ‘fix it in a bottle’, rather than remove and physically clean the carburetor, etc… I would appreciate it if you would let me know what you can. Thank you.

Steve

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Jim D.
3 years ago

Hi Steve. I’d agree that it sounds like you have a gummed up carburetor. Sea Foam Motor Treatment is a good option for cleaning the carburetor. While straight Sea Foam won’t harm your engine, you’ll need a mix of Sea Foam and gasoline to get it to run. Here’s what I’d do: To clean your carburetor’s fuel passageways, add a high concentration of Sea Foam to a low tank of fuel (1:2 ratio of Sea Foam to fuel). Then, run the engine for about ten minutes, shut it off, and let it soak overnight. Take it for a ride the next morning and the Sea Foam/fuel mixture will have cleaned the carb, supposing that varnish restriction is causing your problem. Sea Foam Motor Treatment works very well to liquefy and clean heavy gum/varnish in carburetors. Sea Foam is always safe in all types of engines and it doesn’t contain harsh chemicals that could cause any harm. Hope this helps!