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    Gas tank size - 1960 5.5HP Seahorse

    Hi everyone, I am waking up a 5.5HP old seahorse and need to buy a new gas tank. Would it make sense to go with 3 gallon gas tank and 5/16 fuel line? I was debating between the 3 gallon and 6 gallon gas tank. The engine will be mounted to a 12 foot boat. Thanks, Russ
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    Repairing 1/2" hole on bottom of fiberglass hull

    Hi everyone, My CVX-16 started leaking a few weeks back. I have drained it out (the best I can) and put a fan on the hole for the last 7 days to ensure the area is dry. The hole is about 1/2' wide and right down to the foam. Since the hole is not visible I am not worried about how the...
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    Piston heads - cleaning advice?

    Hi everyone, I am in the process of waking up a 1960 Johnson 5.5HP seahorse that has been sitting for 20 years. My small bore hole light arrived so I took a look inside the cylinder. The walls look fine but the top of the pistons are covered in carbon. (crusty looking) Should I take the...
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    Cleaning carbs - Deep creep?

    Hi everyone, I am rebuilding the carbs and not sure what solvent to use when cleaning them. I have a can of deep creep, is this acceptable? Thanks, Russ
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    Restoration advice - 1960 Johnson Seahorese 5 1/2 HP (CD-17)

    Hi everyone, This thing has been sitting unused for 15-20 years. Compression is 81 and 79. I am hoping to wake this thing up and make it a reliable back country fishing boat engine. I will be performing the following service: - Replacing entire ignition system - Rebuidling the carb - Replace...
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    Waking up a 1960 Johnson Seahorse 5.5 HP (Model CD-17)

    Hi everyone, I picked up this engine that looks to be in good shape but hasn't been run for 15 years. It has sat outside in a sheltered shed. Based on what I have read it is best advised that I check the compression before servicing the water pump, changing coils, replacing spark plugs,etc...
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    Upgrading to NFB Safe-T steering

    Hello, I have a 80's era Glastron ski boat with a 115 HP engine. The current Safe-T steering mechanism appears original and does not have the "no feedback" feature. A few questions: - Is this easy to replace on my own? Ex. Simply switch out the steering wheel mechanism? - Are there any...
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    Barbed hose connectors - how snug should they fit?

    Hi all, I am adding a in-boat fuel filter to a 3/8 fuel line. I am little unsure whether I have the right size barbed brass hose connectors....When I connect the 3/8 line the barb connector slides right in. Should it be a tight squeeze to get these barbed connectors in the hose? I figured...
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    Installing 10 Micron water seperating filter on boat - 2012 115HP E-TEC

    Hi everyone, Since I have an 25 year old internal aluminum gas tank in the bow it was highly suggested I also add a fuel filter in the boat. I purchased a Mallory Visi-bowl with 10 micron filter. Questions: 1. Is there any risk that having a 10 micron filter on-board will add too much...
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    Adding In-boat fuel filter on E-tec

    Hi, I understand my new 115 HP E-tec has fuel filter on the engine but the manual highly recommends have one in your boat too. I always use premium (91 octane gas) and had my internal aluminum gas tank cleaned out by the dealer a few years ago. Is there anything I need to consider when...
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    Outboard horsepower debate

    How do you guys determine outboard horsepower needs for a ski boat? Example: 750 LBS 16 foot fiber glass ski boat. Would you say a 115 two stroke is adequate for pulling 250 pound grown men? I hear varying opinions from the people on my lake. I know you could pull people with smaller...
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    93 Black Max 150 HP - good engine?

    Hi there, A good friend of mine is looking at Baja with a 1993 Black Max 150 HP outboard. Just the regular version, no oil injection. He has the mechanical history and everything checks out in the regard, dealer maintained since day one. Just wondering how people feel about these engines? Do...
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    Mercury manual - 1980 115HP Inline 6

    Anyone know if a factory manual exists for the inline 6? I have the Seloc and Clymer version but wondering if there is something more a little more specific to my engine.
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    Testing ignition system - 1980 Merc Inline 6 Thunderbolt Ignition

    Hi there, Just looking for some advice on how to check my ignition system. My boat stalled towing a skier at 4000 RPM and after this it won't idle very well and WOT is now 4000RPM instead of 5400 RPM. Sounds like I am missing a cylinder. My mechanic was testing my stator this spring and he...
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    1980 115HP/I6 - replacing stator and switchbox

    Hi everyone: My stator has finally failed (tested) and I am now debating how to proceed. Currentely have a CDI stator and switchbox. Questions: 1. Should I replace the stator and switchbox at the same time? As far as I can tell there is no problem with the switchbox but I have read on here...
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    Pulling 3 man tube

    Anyone know how much power it takes to pull approx. 500 lbs on a tube? Can a 90hp 2 stroke on a runabout handle that?
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    Bleed restrictors debate - do they really impact performance?

    Hi everyone, I am hearing mixed opinions on whether they make much of a difference. Just realized I am missing all of mine and told by one person it could be having a significant impact on performance. (especially take off when towing - boat tends to stall if I punch it under 1200rpm) I am...
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    Waterskiing with Merc power of tower

    Hello, I was just wondering if it is better to leave my engine in neutral or shut off when changing water skiers? (besides the obvious of saving gas, safety,less wear on the starter, etc) My question is more about performance, if the engine has been off for a while it seems to need a minute to...
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    Compression on 1980 Inline 6 115hp

    Hi there, I am trying to figure out what to do this winter. Rebuild, buy new or do nothing with my outboard. A few years ago my mechanic shows my compression readings are in the mid 90's. All between 93 -98%. On an engine this old should I be concerned? What type of issues might I see with...
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    Merc tower - Starter motor bracket

    Hi there, I was reinstalling my starter motor on a 1980 Inline 6 and broke a the bolt that has the round rubber washer on it. It's part of the top bracket that connects with the top of the engine. Anyone familiar with this part and what it might be called? Having a heck of a time finding a...
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