Carb Cleaning Numero Tres (not Trace)

Carb cleaning

The outboard has been running like poop. It will not run at anything but slightly above idle when in gear. In fact sometimes when you lower the throttle that little bit you were able to get above idle it even goes faster! Out of gear you run the darn thing wide open. Go figure!

Anyway, we can’t get any parts for our engine in Mexico. There is a Yamaha distributor in PV and everything just nothing is in stock and it would take 2 months to get anything from Japan. I think the person at IMEMSA (The Yamaha Importer) was trying to explain to me that this has to do with Mexico’s import laws, but I’m not sure.

Anyway, I got another can of cleaner, and I’m going to let this stuff sit overnight. I don’t have enough cleaner to really immerse the entire carb and let it soak so this is probably all for not, but who knows. Last time I tried this I was unwilling to take the float off and this time I did that and there’s another pin\jet doo hickey under there, so maybe this is the magic time it will all work.

Wish me luck and if you have any expertise with 4-stroke Yamaha F8 outboards please do drop me some hints.


We bought an Aquapro Sportsmaster 860 used off of craigslist last summer and we wanted to add an outboard. I thought buying an outboard would be a pretty straight forward thing to do, we had some specific criteria: 4-Stroke – … Continue reading →