Yamaha 40hp 2 stroke

by ockley wilson
(Papua new guinea)

I have a manual tiller 40hp (EX40) 2 stroke outboard motor engine having issue with engine cannot rev up. the engine starts up perfect, but when reving up to nearly half the speed, the engine lugs down and shuts down as well. What could be the issue?

Comments for Yamaha 40hp 2 stroke

Average Rating starstarstarstarstar

Click here to add your own comments

Jul 22, 2020
Engine bogs down
by: CURTISS outlaw

Have similar issues with My 70. Have you fixed the issue yet

Click here to add your own comments

Join in and write your own page! It's easy to do. How? Simply click here to return to Yamaha Outboard Forum.