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    Tohatsu engine oil drain screw washer

    I have a Tohatsu 4 stroke (2019 MFS 30C). It's time for the 20 hour service. I have the seals for the lower unit oil drain screws, but I'm having a hard time finding a part number for the engine oil drain screw washer. I believe it's made of soft aluminum (crush washer, not to be reused). Any...
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    30hp 4 stroke Tohatsu max RPM

    So I'm a little confused by the max rpm numbers posted in my owner's manual, specifically that max rpm is between 5250 and 6250 rpm. What exactly does that mean? That max rpm can be anywhere between those numbers? Should I strive to prop the boat to run max at 6250 rpm?
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    AGM Batteries Charge?

    Is the 2019 Tohatsu 30 hp 4 stroke outboard capable of charging AGM batteries from its charging system?
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    Aftermarket Tach for Tohatsu 30C?

    A question for the Tohatsu guru's here...I was under the impression that only a Tohatsu tach would work for this motor (I think I read that somewhere). A friend pointed out to me that the Faria catalog shows that Tohatsu's up to 30 hp can use their aftermarket tach. Is this true? I have a...
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    Tohatsu 30 HP 4 Stroke Bolt Pattern for Mounting

    Is the mounting bracket bolt pattern for this motor standard BIA?
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    Tohatsu Tachometer Hole Size

    Anyone know right off what the hole size requirement is for a Tohatsu tach 3AD726400M?
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    Joe Reeves...Timing question

    1973 Evinrude 135. The service manual calls for timing to be set at 22 degrees with engine speed of 4300 to 4600 rpm (in gear). Is this considered the WOT setting? If so, then using your timing method, I would set the time at 18 degrees, correct? Also...I read somewhere that If I don't ground...
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    Teleflex Temp Gauge Install Questions

    I purchased a temperature gauge kit for outboard motors (#58862P comes with sender and "z" bracket) to install on my 1973 Evinrude 135. The included instructions only discuss motors far newer than mine. I do however, understand the "z" bracket install, with one exception. Should I install this...
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    Engine Mounted Safety Switch Question

    In the process of rebuilding a 1973 Evinrude 135, and have what I believe to be a faulty engine mounted safety switch. What, exactly, is the function of this switch? Is it strictly for allowing the engine to only be started in neutral? If so, why is one mounted on the engine, when there is also...
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    Primer System conversion for 1973 Evinrude 135

    Read somewhere that it's possible to convert these old OMC's from solenoid choke to primer system. There was no definitive way to do it that was offered. How would someone go about doing this? Specifically, where would you route the fuel lines off of the primer, and how would it be wired? This...
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    Shift Rod Seal Placement... 1973 Evinrude 135

    My service manual is not clear on exactly where this seal is to be installed (OMC P/N 317924). I wish I knew how to post pictures, references, etc., but I'm old and not very computer literate. If anyone wants to bother, it's shown in the Evinrude parts order section, model #135383M, Exhaust...
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    Happy Veterans Day

    Happy Veterans Day to all my fellow vets.... Geezer1 USAF 1966-1992.
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    TRACKER Pro 190 trolling motor wiring

    This boat comes from the factory with a 12V t/motor. Most owners have replaced, or want to replace, with a 24V t/motor. The boat comes factory wired with 8 gauge wiring which, according to everything I've read, is inadequate for 24V motors (specifically MinnKota @ 56 amp max draw). According to...
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    1973 Evinrude 135 charging System Question

    Need some help here understanding the battery charging side of the ignition system in the above mentioned motor. Here's what I do understand... The system has a rectifier (OMC P/N 583408) that charges the battery, unregulated, continuously, while the motor is running. Sometimes, even with a 6...
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    Piranha Hydrobite Prop

    Piranha came out with a performance prop called "Hydrobite" in May, 2010. Has anyone here tried one out, or know someone who has?
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