Hi,
Have a 9.9 Yamaha 2-stroke, early 90's vintage....
As soon as I put it in gear and give it gas, it dies....
I did a carb clean by doing a dis-assembly and soak in carb cleaner... Also put in new needle and jet...
Reassemble and same thing...
I can keep it running by pumping fuel by...
Hi folks... first post here...
I recently disassembled the carb on my 6hp '89 Yamaha after diagnosing that I had a clogged main jet... (would start and then die when given throttle)
I took the carb out, cleaned it up... (it was not as bad as I thought it would look)
Main jet was clogged...