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#2
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Are you running premix or injection? If premix, what ratio of oil to gas? What is the compression in the cylinders after the engine is warmed up?
__________________
1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God)  Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless. 
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#3
04-04-2011, 02:55 PM
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I hate to break this to yeah, but that engine you have is probably the most reliable engine EVER built. The 150/175 EAGLE series as they were called are some tough engines that just don't die. If all is right with it you won't find a more reliable engine. Yes they are smoky and noisy, but when they are right the smoke isn't that bad and they run like a scalded dog.
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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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#7
04-04-2011, 07:46 PM
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A 4-stroke Suzuki 140 would work good on that CC...it won't have the giddy-up the present motor has, but will be smooth, economical and reliable...several of the guys here have them and like 'em...
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#8
04-04-2011, 08:30 PM
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If you're still running teh VRO oil injection and getting alot of smoke, then you either have a bad VRO pump or an air leak in teh fuel line before the fuel pump. An air leak before the fuel pump will cause it to pump air with the fuel, and the fuel pump pumps in a metered amount of fuel for each stroke of teh fuel pump. If it is pumping air instead of fuel, then it will be pumping extra oil since there is no fuel to mix with it. Also when the fuel pump pumps air it will go from 100:1 which is the idle setting to the 50:1 which is the mid and upper setting. The fuel pump makes the change over based on how fast it pumps, and when it is pumping air it will go faster and pump EXTRA oil. Get the bugs worked out and chances are you'll have a good engine.
__________________
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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#9
04-05-2011, 11:54 AM
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Ya what Ferm said. Compression test that motor and if it checks out work with it. The smoking can be toned down with the right oil. Those motors are now being sought after round here, the word is out. They were reliable and well built, only weak link is the optical ignition and that isn't all that bad. Tell your passengers the smoke is to keep the bugs away and run it like you stole it.
Brian
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#10
04-05-2011, 03:49 PM
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Quote:
Man I was hopin' SOMEBODY would jump in here w/a solution...check out what FERM is talkin' about!!...one little prob like that can be all the difference...good call, Ferm!!... 
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha
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