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ring free shock treatment for 50 hp

Spinfisher1

New member
Hello all, I have a 50 hp 2002 yamaha outboard. It has about 400 hours on it. I want to do a shock treatment with ring free and my question is this. I have a 19 gal fuel cell and I know the treatment calls for 1 oz ring free per gal of gas......how many gallons of gas do I need to treat and run through at 1 time for the shock treatment to be effective? Would 12 oz ring free and 12 gallons gas be sufficient? Any help would be great. Thanks
 
Thanks Chris, problem is they dont tell you how many gallons you need to treat and burn, they only tell you thr ratio.....I have a 19 gal fuel cell
 
Yamaha recommends a "shock" treatment for motors of my age\hours. I thought I would try it and then use the ring free on a regular basis as you suggest. You see 1 gal wont be enough, I am sure, and 19 gal may be excessive and a waste with the high ratio shock treatment. Thanks again.
 
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