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#1
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Yamaha 200 is fried !!!!
I think my 200 is no good anymore. I was riding yesterday ( at low speed ) and started hearing poping/craking sounds from the engine, when I looked back, I saw white smoke coming out of the engine case. I shut the motor off, removed the cover and found 5 out of the six cylinders with a brownish/gold like color on the outside. The only one that looks normal, had the spark plug wire disconnected ( ? )
The engine runs, but sounds very bad. From 2 stroke dirt bike experience, I recognize the sound of bad/overheated pistons. There was no cooling water coming out of the pump, so I guess the impeller went bad. I am thinking a new 4-stroke 150 or so. But have not decided yet ( $?$?$? ) Luckily, I was about 1/8 mile from shore, and a comrade from the local marina gave us a haul to the dock with his 31 footer twin diesel, and I parked it with the motor in idle. I hope I can get the V20 fixed soon, because summer is just starting.
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Make the habit of radio-checking your VHF, and use it. Father God is too busy to come down to help you himself, He sends His Angels. They have no wings, They are just your true friends. 
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#2
05-26-2009, 06:51 AM
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thats bad news JJ, just went thru a scare myself with the motor. hopefully it is something you can repair or it works out well for you on a repower.
Good luck
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Willy 1986 V20 Old School 1992 V20 1992 150 Yamaha 1997 HydraSport 2250 Vector 2009 17' G3 Outfitter "G Spot" http://www.youtube.com/watch?v=TDebw...eature=related "I won't be wronged, I won't be insulted and I won't be laid on a hand on. I don't do these things to others and I require the same from them" JW
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#3
05-26-2009, 09:32 PM
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Bummer.......I suggest a 140 4 stroke
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*************************************** Stay Safe!  Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#4
05-27-2009, 12:06 PM
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Simply amazing !!!!!!!!!!!!!!!!!!!!!!!!!!!
Not hard to believe since it`s an old Yami. I checked the compression on all six cans, and this is it : ALL but one, very close to 100 psi, the one lowest, 98 psi. The manual states ; Minimum Comp. Press. = 520KPa. If my calculations are right, 100 psi is around 690Kpascals. SO... !!!! the motor is still in the fight !!! Next is the impeller check and replacement. PERHAPS I underestimated how tough this older Yamis are. What a relief !!!! Anywho, a 4 stroker is still on my mind, maybe a Johnson or a Suzuki 140.
__________________
Make the habit of radio-checking your VHF, and use it. Father God is too busy to come down to help you himself, He sends His Angels. They have no wings, They are just your true friends.
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