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40 hp Yamaha cuts out at high rpm
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<blockquote data-quote="architorture" data-source="post: 211371" data-attributes="member: 4717"><p>I just got this a few days ago and have taken it out twice now. It starts and runs great but if you go past about 2/3 throttle it starts to sputter and cut out. Yesterday when I had it out, about half the time when I went pushed it past 2/3 throttle nothing would happen, the revs would stay the same. So it would either cut out past 2/3 throttle, or nothing would happen. The guy I got it from said he'd had two "experts" look at it and they don't have any idea. The cylinders are all within 2 lbs of each other. I'm thinking it's a fuel delivery problem, but I really don't know where to start from there. Bear with me guys I'm a little green but I'm more than willing to learn so any advice you guys can give is very appreciated.</p><p></p><p>Btw it's a 1984</p></blockquote><p></p>
[QUOTE="architorture, post: 211371, member: 4717"] I just got this a few days ago and have taken it out twice now. It starts and runs great but if you go past about 2/3 throttle it starts to sputter and cut out. Yesterday when I had it out, about half the time when I went pushed it past 2/3 throttle nothing would happen, the revs would stay the same. So it would either cut out past 2/3 throttle, or nothing would happen. The guy I got it from said he'd had two "experts" look at it and they don't have any idea. The cylinders are all within 2 lbs of each other. I'm thinking it's a fuel delivery problem, but I really don't know where to start from there. Bear with me guys I'm a little green but I'm more than willing to learn so any advice you guys can give is very appreciated. Btw it's a 1984 [/QUOTE]
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40 hp Yamaha cuts out at high rpm
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