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Thread: 3.0 Mercury drilled gearcase?
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06-12-2019, 08:56 AM #15000 RPM
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3.0 Mercury drilled gearcase?
Has anyone drilled a gearcase or leg on a 3.0 liter Mercury?
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06-19-2019, 08:42 AM #25000 RPM
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Anybody?
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06-19-2019, 11:13 PM #35000 RPM
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are you talking about for exhaust relief?
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06-24-2019, 06:23 AM #45000 RPM
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Yes, just to let the some exhaust out before the prop and a little noise, this is probably one of the quietest motors I've had.
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06-24-2019, 06:06 PM #55000 RPM
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on my 3 liter i pulled the tuner out and cut the bottom 5" off where the casting line is. boat had better hole shot, acceleration, and 3 mph top end
if you do that it allows the exhaust to exit above the cavitation plate where the openings are in the bottom of the mid
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06-25-2019, 06:15 AM #65000 RPM
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I did it on my 200XP years ago on my Laser and it helped. I just never heard of anybody doing it on a 3.0 liter Mercury. Thanks for the feed back.
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06-26-2019, 09:56 PM #75000 RPM
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89Laser If you need a cut 3 liter one .I have one out in the boat shed some where .I pulled from a 300X some one choped, Not much .If you want to save your tuner and want to go back to the quiet zone .
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06-27-2019, 08:39 AM #85000 RPM
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I'm running a 225 carbed motor on a 25" leg. I'm not sure if it would fit. Anyway, how much?
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07-01-2019, 09:21 PM #95000 RPM
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Sorry late post .....sent you a PM.....dont get on here much ,
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