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Message: <blockquote data-quote="Douglasdzaster" data-source="post: 497096" data-attributes="member: 27803">Just yesterday I read a big marketing write up about the new Techron marine. It explains how they did their testing etc.Other brands use petroleum products to do the cleaning while Techron uses detergents that’s supposed to be pretty strong. When I did my rebuild I replaced everything but the carb bodies and they should have been replaced but I already had to hunt most of the jets etc from different places. 1992 Yamaha 40mshq three carburetors. When I did run across carburetors that might work on eBay or where ever they were have as much as I paid for the boat. I worry that detergents like that may eat at those old bodies some how with my luck. I should’ve been looking for replacements all this time. I like to have never got them dialed in to where it would stay. It was doing good though until I parked it. I’m hoping the fact that I ran strictly non ethanol fuel and always an additive to the mix that I can get away with starting it with a clean fuel system and not have to pull those carburetors again.</blockquote>