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    1999 Ocean Pro 150 Broken Vacuum Port

    Today I was cleaning my 1999 Ocean Pro 150 in preparation for sanding and painting. I removed the port and stbd side covers and was de-greasing the power-head with a parts cleaning brush and a tooth brush I was using the toothbrush when I knocked a small brass port connected to a piece of...
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    1999 Johnson Ocean Pro Lower Unit Seal and Bearing question

    I have a 1999 Johnson Ocean Pro 150. I am changing the water pump out. I have everything apart and cleaned. I have a question concerning the upper drive shaft bearing and seals. I have no oil leakage from the lower unit, the seals seem to be performing their intended function. I noticed after...
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    Johnson 150 Ocean Pro Carburaters

    I have 1999 Johnson Ocean Pro 150 carburated model. I have had this about 6 months. The boat and motor had very low hours on it when I bought it (about 30-40 hrs). The rig was purchased new in 2001 so over the course of 8-9 years it was used very little by the original owner and I'm sure that it...
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    Thrust Washer Question

    I just purchased a used SS Michigan Wheel prop (15" x 17") for my 99 Johnson 150. I Installed it onto the shaft and there was a pronounced wobble as well as some scraping sounds on the lower unit housing. The prop otherwise appears to be in almost new condition Upon closer examination I noted...
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    Prop Size Question

    I have a 20' Hydra Sports Seahorse with a 1999 150 Johnson. Presently have a 14.5 x 19 stock OEM aluminum prop Max RPM is 5,000. Manual says min RPM is 4500. I've heard that I should be targeting mid 5,000's. I want to by a new stainless prop. My options for some good prices are; 15.00 RH 17...
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    Trim Cylinder Cap Seals

    Does anyone know where to obtain trim cap wiper seals for a 99 150 Johnson. It seems everyone wants to sell me a complete overhaul kit when all I need are a couple of wiper seals which are cracked and split. I have no leaks (yet). I figure that replacing these now will prevent future problems...
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    Johnson 150 Idle speed

    I just bought a new boat and and have not yet put it in the water while working on various items. The 1999 150 Johnson (Carborated) starts easily but idles at 1300 RPM with the flushing muffs on. I know that the Quickstart system is supposed to keep the idle high until it warms up. I've run it...
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