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#1
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Hey Pete!!...I can't help it...I still leary of auto-oilers...so many other items to fail...switches, lines, intakes...my BIL's auto-oiler failed cuz the intake in the tank clogged and fried his motor...
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'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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#2
04-10-2011, 07:12 AM
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OMC's VRO yes I would get rid of. Merc 2.5 efi plastic crank gear and NO motion sensor yes get rid of. The only problem with tha Yamaha system especially from '90 on up is that the control module for the oil injection is built it to the ecu and not a seperate unit. So if it fails(very rare but I have seen it happen) you need to drop $1000 for a new ecu. There is a small inline filter on the remote oil tank back by the electric pump. If that is replaced every other year or so the system should be trouble free.
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1981 V20 cuddy 2007 225 optimax http://budgetboattowing.com/ http://www.gardenstateyachtsales.com/ Last edited by captpete13; 04-10-2011 at 07:24 AM.
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#3
04-10-2011, 08:31 AM
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Leave it to Yamaha to come up w/the system less likely to fail and I've never heard of a Yam failure...but I'm still wary...
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'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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#4
04-10-2011, 09:14 AM
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Pete, funny you mention the Mercs with out the sensor, merc determined the coupler with the magnet was the cause of the oil gear failuer, it would swell up and stick in the bore, causeing the gear to strip out. We had a run of sport jets do it, figured they stay setting up longer than the outboards(fisherman). When we inspected the coupler, you couldn't really tell what happened. Most of them were under warranty so we went with what merc said, they updated the coupler, eventually discarded it. If merc had used a bronze gear on the crank, they would have an oil injection on par with Yamaha
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#5
04-10-2011, 09:39 AM
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Spere, I agree 100%. I don't know why they decided on using a plastic gear.
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1981 V20 cuddy 2007 225 optimax http://budgetboattowing.com/ http://www.gardenstateyachtsales.com/
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#6
04-10-2011, 12:19 PM
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That's what me and my buddy, who's Merc it was that blew couldn't figure out...why Merc didn't just offer a metal replacement...sounds easy enough to me...it ain't rocket science or somethin'... 
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'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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#7
04-10-2011, 07:11 PM
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plastic gears sell more motors and make more business for people like me
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