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    OMC Test Wheel P/N 314230

    Hi, Just found a test wheel on Ebay OMC P/N 314230, does any know if this would be suitable to use on my 1989 Johnson 90HP, or what it was originally made for?<br /><br />Thanks in advance.<br /><br /> <br />Test Wheel
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    Recirc hose Johnson 90.

    Hi, I have just had 2 recirc hoses split in as many outings so I guess it's time to replace all recirc hoses. My question is, does any one know the total length of recirc hose on an 89 90hp v4 crossflow and can you still buy the original omc p/n 327229 hose or is automotive type vaccum hose...
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    After Market Pistons v4 crossflow.

    Hi, I was looking on ebay and found a powerhead rebuild kit for a Johnson v4 crossflow at a reasonable price, the kit contained GLM pistons, these pistons are cast and specs as follows.<br /><br />*Fully machined hypereutectic<br />*Hard anodizing coating on top<br />*resistant to temp upto 1560...
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    Idle problems 1989 90hp Johnson

    History to date: purchased boat and motor J90TLCEM 2 yrs ago and rebuilt motor after running and idling rough, traced to uneven compression due to coking. During rebuild replaced rings & honed bores, upper & lower crank bearings, all gaskets, seals, water pump, plugs QL82C’s, leads, coils...
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    115 Merc, year, plugs, tips.....

    Hi team, a friend of mine has just purchased a new ski boat with a 115 inline 6 Merc s/n 0A996094. We believe this to be a 1986 model, this that correct. Also I noticed the plugs were NGK’s BUHW, I remember someone telling me champion plugs for American outboards and NGK’s for Jap outboards etc...
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    Spark Plugs Johnson 90 1989.

    Hi, I removed my spark plugs for inspection today from my Johnson 90 1989 J90TLCEM and noted they were p/n QL78YC as supplied by my dealer, the manual states QL77JC4 is the correct plug. Is it ok to continue running the QL78YC's. Thanks in advance. OBK
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    Installing Boyesen Reeds Johnson 90

    Hi, I have just ordered a set of Boyesen Reeds B144 for my Johnson 90HP 1989, and have a couple of questions regarding extra parts that I may have to order to complete the job, I am going to order 2x carb 1x manifold gaskets, do I need to order leaf plate gaskets? Also I am looking at enriching...
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    Replacement trim motor for johnson 90hp

    I am looking at replacing the trim pump motor on my Johnson 90hp 1989 J90TLCEM, the original trim motor is omc p/n 394176 and purchasing an omc spare from my local dealer is very expensive, looking on the internet I have found a lot of aftermarket trim motors such as API, ARCO, Sierra etc. Has...
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    Johnson 90 Trim Pump Motor Stalls?

    Hi, I have a question regarding my trim pump motor on my Johnson 90 1989 J90TLCEM, is it normal for the trim pump motor to almost stall at the extreme tilt up and trim down positions. It’s worries me that if someone held the trim switch in the above positions for too long it would burn the motor...
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    Converting Johnson 90 back to VRO

    I am currently looking at converting my 1989 Johnson 90 J90TLCEM back to VRO, the VRO was disconnected when I purchased this motor and was replaced by a pulse pump. The question I have is where does the pulse limiter screw in, I can see a brass bung below the currently installed pulse pump, does...
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    OMC Test Wheel

    Hi, I was just looking at a OMC Test Wheel on Ebay. Part # 314230. 13 spline, 1" shaft size 10" X 10" Any ideas on what motor this would suit? I can't find any reference to it in my Clymer Manual 48-235HP. I am after a Test Wheel to suit my Johnson 90HP 1989.<br /><br />Thanks in advance.
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    Fuel Pump Questions Johnson 90HP

    I am about to install a Navman fuel flow transducer to my boat powered by a Johnson 90HP 1989 J90TLCEM. The VRO was disconnected on this motor when I purchased it and has been replaced with a pulse type pump, which has lead me to question this pumps ability to supply suitable fuel flow/pressure...
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    Timing light trouble Johnson 90HP

    Here’s an interesting question. While checking the timing on my 1989 V4 Johnson 90HP per the Joe Reeves cranking method I connected my timing light inductive pick-up to #1 lead with the arrow on the pick-up pointing towards the spark plug(tester 7/16”) as I normally do when checking the timing...
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    o-ring under impeller johnson 90hp

    I have just purchased a new water pump kit for my 1989 90HP Johnson J90TLCEM. The new pump kit replaces p/n 434421. My question is on my old impeller there was an o-ring under the impeller in a deep groove, however in the new kit there is no o-ring supplied nor does the groove under the new...
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