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    '83 175hp lower piston rings gone

    During a head gasket and exhaust gaskets refresh, noticed top two cylinders on the right side, the inner rings were just black carbon chunks, with little to no inner rings seen. Small screwdriver tip crumbled carbon to reveal no rings left. Outer rings looked great. Left side piston rings...
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    '84 175HP miss at idle

    1983 Evinrude E175TRLCTD Best way to describe it is, on muffs at 1100 RPM, thru the prop exhaust goes ba-ba-ba-ba-ba-pompf-ba-ba-ba-ba-ba-pompf. The pompf repeats fairly regularly about every 3 to 4 seconds. Slightly higher puff of exhaust smoke is also emitted during the pompf. History. New...
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    '83 175hp missing thermostat parts

    Previous owner removed thermostats for this 1983 175hp V6. Bought the complete kit as shown in this photo: http://www.iboats.com/mall/image/vendor/16/bigger/18-3674_big.jpg Since old thermostat was missing, I do not know what parts from kit are used, and exactly how they go together. Seloc...
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    Confused about which Service Manual

    Have a '83 175hp Evinrude. From my prior '75 135hp, I already have a Seloc '73 to '91 60-235hp. It is not at all good to use with either motor. But, I also have the '75 factory service manual for the 135, and a Clymer manual for 1965-1981 40-140hp (published in 1981) that is nearly "identical"...
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    '83 175hp Temp sender, horn and OEM manual

    4 questions. Swapped from a '75 135hp Evinrude to a '83 175hp Evinrude. Previously installed a telex temperature gauge for the 135, that had it's own wire going from gauge to sender on starboard side head (previous owner installed sender and wire to console, but old gauge went bad). Trying to...
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    Decarb on muffs safe for RPM's?

    Have a '83 175 Evinrude that is trailered to ramp on narrow river that leads to Gulf of Mexico after 40 minutes of no wake zone. Plenty of waterfront homes. Looks like I need to keep RPM's up during decarb. Is this safe to do out of the water, on trailer, only using muffs? That way, it would be...
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    Boat, Motor or Prop top speed limit?

    Have a '73 Wellcraft V20 Center Console, used with 2 divers and third person to remain in boat, plus dive gear. Here in Tampa area, need to go out 20 to 30 miles for desired water depth. So max MPH is most important thing. Storm kicks up, we need to get back in. Other disasters, we need to get...
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    1975 135HP Exhaust Baffle Plate part #?

    Prior to last year, Wellcraft V20 and motor was in storage for 15 years. Old motor was running great until a couple weeks ago, but hard starting. After pulling plugs, noticed slight amount of water in lower cylinder. Compression is 145 to 155 each cylinder. Pulled exhaust cover, then exhaust...
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    Smaller pitch now less RPM, speed and blow out.

    Boat and motor in sig. <br />Sorry for long detailed post.<br /><br />Original prop numbers were not readable.<br />Measured and it was 13" diameter.<br />Specs in OEM manual suggested standard equipped prop was 13x19.<br />Prop is not stainless steel or aluminum, as a magnet easily sticks to...
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    Humminbird Matrix 17 to Garmin GPS

    Having a heck of a time connecting handheld Garmin GPS60 to Matrix 17. It is never detected.<br /><br />Am using the 4 wire Humminbird generic GPS cable, with it's red, black, green and white wires. (white not used or needed, red optionally powers GPS option, and not needed if GPS is self...
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    Aftermarket Trim sending unit 1975 135HP?

    Seems as though the internal portion of my trim sender is bad. Have continuity from gauge to ball. With sender installed, resistance at sender to ground varies between 5 and 40 ohms, but is not linear, so gauge moves up and down, and never reflects true position. A little up from full down might...
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    1975 135HP no spark with plugs installed, PP4?

    Boat and motor were pickled in storage for 10+ years. Engine is very clean under the cover, and looks more like a 1992 than a 1975, as far as aging.<br /><br />Started right up, and ran it for about 30 minutes before we shut it off.<br />Next day, no start, no spark.<br /><br />Have read the...
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