Very likely. Classic signs of fuel starvation. It would also be a good time to eliminate the fuel disconnect and get rid of the engine mounted filter as well as replace the fuel pumps. A fresh fuel water seperator would also be in order.
rodbolt is now officially a Master tech on Yamahas. Something everyone on the board knew before Yamaha made it offical. This is a very difficult title to earn. WAY TO GO.
Email me at neudecray@hotmail.com with part number stamped on top of carb. Yamaha has not used that brand of carb for US motors since 1986. They also used that same carb on the 200's in those years. With a hose adjustment, the newer model ones will also interchange as long as you watch the jetting.
