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#11
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I started it up today in my driveway and there was massive grey/blue smoke for the first few seconds. Would this indicate a carb being flooded? I just rebuilt them a few weeks ago but this problem was happening before the rebuild. The only thing I did before that was rebuild the fuel pump. Is it possible to screw that up and cause the problems I'm having. I hate second guessing myself but everything ive done has been a first for me.
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#12
08-06-2008, 02:02 PM
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Fuel pump is a definate possibility. Does this engine have oil injection on it?
__________________
2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#14
08-06-2008, 02:51 PM
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Have you checked to make sure your not pumping oil back into the crankcase from your oil tank? I had the real bad smoky starts on mine and found that I was overfilling my oil tank and it was pumping oil back into the crankcase when I shut it off.
__________________
2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664
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#15
08-06-2008, 03:12 PM
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My tank is only half full and the color of the smoke leads me to believe its burning excess gas. I did have the fast idle lever up pretty high so it kind of roared to life. POssibly that had something to do with all the smoke. I guess I'll look at the carbs and fuel pump one more time before taking it out again.
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#16
08-06-2008, 05:31 PM
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Is it possible the float levels wee set wrong during the carbs rebuild? Allowing to much gas into the cylyinders and loading the engine down at idle/start up. I suspect if this was the case you would see gas coming out of the carbs at low speed as well.
Kamikaze
__________________
 74 V20 CC with a 150 Johnson (Gone but not forgotten) 89 V20 Cutty with a Tower (Build in process)
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#17
08-06-2008, 06:36 PM
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The floats were right on the money so I didn't make any adjustments. I went and restarted the motor without lifting up the high speed idle lever and there was very little smoke. I'll let it sit overnight and try again tomorrow. I plan to take it out on friday and see what happens after running for a while.
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#18
08-06-2008, 06:44 PM
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check the stator
__________________
love to fish
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#19
08-08-2008, 09:36 AM
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I didn't take it out today but did run it in my driveway and pulled the plug wires. Here's what I found. All had spark. Cylinders 4, 5, and 6 caused the engine to noticeably bog down when I pulled the wires. 1,2,and 3 did not cause the same change in engine speed. They did however have spark and when I put the wire close enough to the plug the spark jumped and caused a slight pick up in rpm's. Can anyone tell me what this means???
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#20
08-08-2008, 11:02 AM
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how are you numbering your cylinders?
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Linear Mode
