2 stroke knocking at idle. Jun 22, 2007 · Hey guys, I have a 96' Yamaha 115 2 stroke outboard. Apr 14, 2009 · I've got a strange sound when idling. Takes a little finesse to get the feel, but you will notice it. i pulled the top end off my 2004 yz250 (bored to 295) got a knock that i can hear mostly when I'm idling down or just at idle. I cant tell if its somthing vibrating in the hull or the motor. Motor has been running great, but I took it out today and noticed a loud knocking when moving at idle or just above idle speed. You can rock May 27, 2023 · Discover the causes of motorcycle engine knocking and learn effective ways to prevent it for a smoother riding experience. Use something long down each plug hole that won't harm the piston like a pencil (not the pointy end!). This happens every time I have low RPSs and in gear. When each piston gets to top dead center rock the crank back and forth and push down on the crown with the pencil. 3lvume 1bn etd v8db wei1 gs p0z0t brz znf9 nfb83t