Re: What's a fuel enrichment valve? Yes it is the complete unit as shown above. (Thank you GA_Boater). I have a diagram also showing this listed as Electrothermal Valve Unit. Interesting note that my parts diagram (attached) shows another O-ring #9 which is the critical one that 'Im after and...
I have a 2001 Yamaha F100A four stroke outboard. It was serviced just before the end of 2015. We have since had problems with water in fuel and fouled carbs. Water problem has been remedied and I have stripped the carbs and cleaned and serviced. I took it back to the Yamaha service shop to be...
