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    Johnson 90 hp a weird one

    Do a web search of both J version #s. If you think we are wrong.
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    Johnson 90 hp a weird one

    The J at the beginning of the model number is for a jet pump drive. Many Jet pumps were somehow converted to a normal prop drive by D I Y people
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    Johnson 90 hp a weird one

    You must check what plug number is to be used in that converted Jet Pump to normal prop engine. And install a new set of 90 hp normal prop plugs.
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    Fuel return

    The EPA is full of idiots.
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    90 Johnson 60hp off idle problem

    You never said you checked if the sparkplugs are correct ones Or that you replaced them.
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    Johnson 90 hp a weird one

    A J90TLETS motor is a original pump drive motor. Have you removed each sparkplug to see if it is clean and free of oil and black carbon ? A failing cylinder can act like your engine. Have you verified that you are using the correct sparkplugs for a NON jet pump engine ?
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    Johnson 90 hp a weird one

    You have a jet pump drive. It is clogged inside with something. Remove cover & clean the impellor.
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    Johnson 90 hp a weird one

    Classic case of throttle cable assembly becoming loose . Use 2 people to check throttle plate position at WOT position and idle.
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    1972 25hp evinrude water over flow issue

    Go faster without spending any money ? They do it by removing parts of the boat and motor. Or they needed the money for the part.
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    Dock question: how do these sections hook together?

    My neighbor has that same type of dock. 3 young big guys IN A CALM water day. 6 hours . As the guys stop and leave 1 at a time.
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    Trailer Brakes

    When I buy a trailer. I pull apart EVERYTHING on the axles. I go all the way into the inner axle SEALS. . I completely tale apart each bearing CLEAN IT to see if the rolling surfaces look brand new. ....I only do 1 bearing COMPLETELY at a time. I never mix any bearing parts ! Stays together or...
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    What type of gas tank for '79 Johnson 35hp?

    Good advice about Moeller red plastic tanks & being out in the sun May 1 to October 1 every year . My 14 gallon on the small ob boat lasted 2 years then had very deep cracks on all 4 top corners.
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    What type of gas tank for '79 Johnson 35hp?

    If someone ADDS different fuel additives or higher than E10 ? O K Rusting coud occur. Since I do not use them for other chemicals. I can only relate to my rust free virgins. I do not store gasoline in them for more than 1.5 years. I dump all the gas liquid in to a car And use it up. I then blow...
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    What type of gas tank for '79 Johnson 35hp?

    You are completly WRONG.
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    What type of gas tank for '79 Johnson 35hp?

    Those red METAL tanks last FOREVER. Period THey are made with Terne metal. It DOES NOT RUST. I have 5 of them with bottom paint scraped completely off fo over 40 ?years. No rust inside or outside. Red plastic is GARBAGE quality. IF IF left outside all summer in a open boat. They build up...
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    90 Johnson 60hp off idle problem

    A worn out set of intake REED VALVES will prevent a great, easy to adjust idle speed. So will stuff stuckin them.
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    Coolant Disappearing, need help

    What is the remaining 3 rd possibility ?
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    Fuel return

    2 lines to a tank might mean that your present pump is a DIY conversion pump. Never finished correctly.
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    Coolant Disappearing, need help

    There is a possibility that a gasket is allowing running engine VACUUM to suck the bottle down. It can be cylinder head gasket vacuum leak when heated up only. Or even the intake manifold if it has engine water flowing in it. The gasket MAY reseal as the engine cools down. Been there on that...
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    Coolant Disappearing, need help

    Are there exhaust Flapper Valves in the exhaust system ?
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