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Thread: motor hop up
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01-15-2012, 02:45 PM #16
Take off the bowls and flip them upside down on a wooden table. Heat them with a heat gun while pressing down on the bottom of them with a block of wood. Sometimes have to put a shim under one end to get all of the bow out. Make sure to check the jets for tightness when done.
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01-15-2012, 05:39 PM #17
you can get replacements brand new or used too
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01-15-2012, 05:42 PM #185000 RPM
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01-15-2012, 06:39 PM #19
part # 0398701 $29.80 from the place you were going to order the jets from or i got 1 from Al Stoker used for 20.00 if i remember right
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01-15-2012, 07:32 PM #20
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01-15-2012, 09:33 PM #21
another question, i have a 1990 225 looper is it 2.7 or 3.0, has fat head gaskets and lower(even 90lbs) compression, is this motor worth doing any mods to , its clean and runs good , also its really quiet but looks to have factory relieved exhaust at bottom of mid . thanks
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01-15-2012, 09:56 PM #225000 RPM
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I had a 150 xflow before I got the looper. It was actually not near as temperamental as my looper when cold. The guy that had it before me must have had it tuned in perfectly. I kinda miss that old motor.
1975 Hydrostream Ventura II
1987 evinrude 200xp
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01-15-2012, 10:00 PM #235000 RPM
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01-15-2012, 10:22 PM #24
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01-15-2012, 10:52 PM #255000 RPM
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What boat is it on? A jackplate would be a good start. There is always more speed to be had in setup. A common mod to the loopers is to get some heads from a 86-87 2.7 looper to up the compression and jet up accordingly. I would work on setup first though. Start a new thread and many people on here will jump in to help.
1975 Hydrostream Ventura II
1987 evinrude 200xp
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01-17-2012, 07:28 PM #267000 RPM
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01-18-2012, 09:00 AM #27
thanks gorilla, motor has no visable corrosion, but i dont think heads have ever been off ,might try thinner gaskets this weekend . b