When I shut it down it had been running at full throtle for most of about seven or eight minutes on very smooth water. I heard it make this grinding noise coming from the bottom end I shut it down hooked a rope on the nose called my brother on the cell phone and told him to bring the trsiler and where to find me. I was still at least four miles from home. I pulled the head off of the # 3 and there was no damage to head or sleeve that I could see. To get the motor out they recomend you pull the jugs and pistons before you remove the lower end. But what gave me the blues the first time was that exhaust system. Who designed that thing? Four allen bolts and two nuts on studs that are hidden and allmost impossible to remove Good luck to anybody on their first time removing the exhaust.
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