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    Battery needs water can I use....

    Battery needs water can I use....water from a Reverse Osmosis system or does it have to be distilled?
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    P/N for oil level sender??

    I have a 2 - 3 gallon oil reservoirs for 1995 Johnson 150's. One oil tank that alarms low oil even when filled completely. (Yes I checked the wiring) I would like to replace the sender but all I can find is complete tanks. Anyone have a part number they could share? Many thanks, Richard
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    Considering new props Advice appriciated

    Currently I'm running 14.5x19 stainless on counter rotating twins. My current economy is 1.75-1.80 nMPG at 3200rpm, 1.6nMPG at 3800rpm and 1.2nMPG at 5800rpm. Would changing to 14.5x20 have a significant impact on performance or economy? Many thanks, Richard 1) Performance issue you are...
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    Looking for 6 on 5.5 Galv Hubs

    Does anyone have a good online source for 6 on 5.5 Galvanized hubs? I bought two from a trailer company in Key West a few years ago but he is long gone. I've found a few vendors who sell painted hubs but in saltwater they get ugly real soon. I'd really like to get galvanized. Any help is...
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    Setting idle speed on 150 looper

    I have an OEM manul and I've read the forun to determine the proper way to set the low speed mixture on my 1995 150 looper. Last week I took it out on the water and while my trusty mate was at the wheel I removed the engine cover and started with #2 carb and began turning the slow speed screw...
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    Voltage V.S. Amperage

    Lots of people don't understand the difference between voltage and amperage. I've got a good analogy that may help some to understand the differences. As compared to a flowing river: Amperage is the volume of water flowing down stream, whether deep or wide. Voltage is the speed the water is...
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    Are my thermostats working right?

    When I cruse around on a plane the temperature runs around 160 degrees. When I drop off and idle the temperature shoots up to around 180-190 then slowly drops. I assume when on a plane the thermostat springs open up and the engine gets lots of cooling flow and as the intake water is in the...
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    What is this part? (#39) (IGNORE THIS POST)

    1995 150 What is this part? (#39) Tilt Lever Lock... Mine doesn't move and doesn't look like it should move.. It doesn't seen to affect anything just wondering. Thanks, Richard
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    Magical Recirculation hoses and valves....

    I've been working on my 150 1995 engines for several years with lots of help from iboat members. I feel I now have a pretty good understanding of what does what and when there is a problem where to point the foam finger. I've successfully rebuilt one of two and it runs like a bat out of HE...
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    1995 150 - Low Power and Bafffled - SOLVED

    I have one of two engines that seems to have about half the power of it's twin. When I run the good one at WOT (by itself) it goes to about 3500-3800 RPM When I run the other at WOT (by itself) it goes to about 2500 RPM Both together at WOT one runs 55-5800 and the other barely reaches 5000...
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    Lower seal - Did I install it wrong?- HELP!

    Lower seal - Did I install it wrong? Tossed the original part and when I installed the seal into the bottom plate I thought I'd installed it it the right direction. But looking at it today it looks odd. Sanity check please. Is the actual seal (orange part) installed in the right orientation...
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    Engine ID tag replacement

    Can a replacement engine ID tag be ordered? I'm painting my engines and one is already very difficult to read. What do most people do when re-painting? Paint over old decal? Paint around old decal? I would just like a "factory new" look. Thanks, Richard
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    Rebuild - Am I missing anything?

    Rebuilding - 1995 150 Johnson looper -Am I missing anything? Bored and honed all 6 - New Pistons &Rings All the right Johnson adhesives New Powerhead Gasket kit New Bearings rod and crank New Crank Rings Carb rebuild kits New Plugs - Champion New Leaf Plates Have all the proper Torque wrenches...
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    Powerhead assembly - piston pins - are tight

    Just beginning re-assembly of my 150 -1995 engine. Have all new pistons and bearings, I'm removing the piston pins from the two scored pistons and they are tight. I pulled them out ; they are tight in the new pistons but they will fit. Probably wont spin in the piston. Do I need to replace...
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    Leaf Shims...

    I'm in the process of rebuilding this 1995 150 looper. I'm installing new leaf plates as part of the overhaul. I did one side and as I started on the other I noticed a shim in the stuck to the old plate. I looked through the other leafs and sure enough thereare two more shims. So I have six...
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    Is my prop worn?

    I have twin 1995 150 hp Johnson's on a Wellcraft 238CC. When I got the boat 5 years ago it would run 50MPH GPS at 5800 WOT using OMC 14.5 x 19 Prop P/N 389924 screws. I now have over 1100 hours on it and the speed is dropping even though the RPMS are staying at about 5800 WOT. The props have...
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    1995 Johnson White Color number?

    I am in the process of rebuilding my 1995 150 Johnson seahorse. I'd like to re-paint it as part of the rebuild. I've used the spray can Johnson white before but I'm generally un-happy with the results. It usually only lasts a season or so. I would like to uses something better like DuPont...
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    Break in period - With Twins - One Rebuilt

    When breaking in a rebuilt engine with twins whats the best way to double the oil on only one engine? The engines are 150's so a six gallon tank wont last long. Disconnect VRO - from older twin - and add oil to fuel - ~100 gallons in tank (add two gallons) Run both at 25:1? Thanks Richard
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    OMC Powerhead Gasket set includes?????

    Here I am elbow deep in the rebuild of this 1995 150. It was dying with two scored cylinders. I just got the block back from Flagship --- They did an awesome job bored all six .020 over and bought factory OMC pistons from them too.. They also pulled my stuck upper mount (another thread) and...
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    Upper Mount Servicing - 1995 150 Looper

    I am rebuilding this motor and I have a service manual. I'm trying to remove the upper moror mount - the one thats attached to the crankcase. I removed the bolt and the manuals picture shows a screwdriver prying the mount retainer aginst the lower exhaust plate area. When I try this my exhaust...
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