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#2
05-29-2011, 04:24 PM
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5200-5500 is fine for that engine. The 60 degree engines turn less RPM's than the 90 degree engines do. 5500 is the max WOT RPM's for a 150 IMHO with there smaller porting and carbs. Make sure ytou are getting WOT at the carbs, but do NOT run the engine with the airbox off.
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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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#3
05-30-2011, 11:00 PM
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those motors the carbs don't open wide open butterflies they go 3/4 factory not sure the reason just letting you know.
__________________
 1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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#5
05-31-2011, 02:44 PM
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I did check the cable without the engine running, when the throttle was all the way down, I was able to move the linkage at the engine a little ( 1/4" ) more by hand, I don't know what that will translate to as far as getting more RPM's.
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Tight Lines !!
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#6
06-01-2011, 06:41 AM
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that's how the 150 and 175 OP came from the factory. have you torn the carbs apart and cleaned?
__________________
1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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