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#2
04-19-2010, 10:40 AM
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I'll take a guess and say no other it will torque from the opposite direction........
__________________
1974 Wellcraft V-20 Center Console 1999 Mercury 150 HP Bluewater 1975 Wellcraft V-17 1977 Evinrude 70 HP Restoration Thread http://forums.iboats.com/showthread.php?t=404584 Enfield Connecticut Civil War Veterans Graves and History Pages http://enfieldwargraves.smugmug.com My companion book I authored http://www.blurb.com/books/1137672 
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#3
04-19-2010, 10:49 AM
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Quote:
Determine how much wheel-walk is occurring. Test drive the boat at full speed with the steering amidships (in the center). Observe how much the boat turns. Boats that turn opposite the prop rotation need more angle on the tab. Boats that turn the same direction as the prop rotation need less angle on the tab. Stop the boat to adjust the tab. Hold the trim tab firmly in position by hand and loosen the trim tab bolt. Rotate the tab in small increments in the appropriate direction, then firmly tighten the bolt. Test drive the boat again. Observe how the boat handles and make further adjustments as needed. That should do it. Red skys at night...
__________________
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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#4
04-19-2010, 11:06 AM
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The only drawback to running a lefty in a single app is that you're limited in prop selection. You will pretty much only have basic offshore style props available to you in a left hand rotation.
__________________
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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#5
04-19-2010, 12:05 PM
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the counter units are not as strong as a the standard unit. better to use a standard unit on a single app.
__________________
 1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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#6
04-19-2010, 07:39 PM
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according to Mercury, their counter unit is stronger than the standard( I know its shimmed a lot closer tolerance), but I've seen more(% wise) counters blow up than standard lower units
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#7
04-20-2010, 07:41 AM
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My 92 Yammie is counter rotation. No issues with it other than the feeling of torque in a different direction.
__________________
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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#8
04-20-2010, 10:05 AM
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Do CR outboards have one more gear or one less to make em turn the other way?
__________________
*************************************** 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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#10
04-20-2010, 05:44 PM
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as far as I know, they all(CR units) use the rear most gear as fwd gear rather than the front side gear as fwd(confusing isn't it). The counter units use flat torrington bearings to support the load rather than tapered bearings, OMC units didn't really change that much as they allready use teh torrington bearing. The flat bearing is supposed to be better than a tapered roller. I do know they are a pain to set up, and they have closer tolerances, I think incorrect set up may be the main cause of issues with them
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