100 Hour Two-Stroke Outboard Engine Service

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  • Опубліковано 13 гру 2024

КОМЕНТАРІ • 123

  • @suthanthiru7445
    @suthanthiru7445 Рік тому +3

    i have a 70 yamaha and this is an excellent video.truly thankful

  • @blakethesnake1555
    @blakethesnake1555 8 років тому +9

    Excellent video. To the point no bs. Thanks for this

  • @Tostito12345
    @Tostito12345 6 років тому +3

    At 1:51 you mention the safety line, where's that line ? also do you have a video of how to maintain and clean carburetors, I just bought a 135 HP outboard six cylinders and I have to spray with fuel cleaner to make the motor start . Thanks

  • @prasathsuthaharan8493
    @prasathsuthaharan8493 4 роки тому +5

    great video but what oil did you use to relevel after draining? Thank you

  • @tdfsu1
    @tdfsu1 4 роки тому +37

    I wouldn’t think a 100 hour service would be complete without at least inspecting the water pump impeller and housing. Sort of sloppy work to not include that step, if you ask me.

    • @250Lit
      @250Lit Рік тому +1

      As per service manual, the impeller gets replaced in the 200 hour service.

  • @THEMOWERMEDIC1
    @THEMOWERMEDIC1 11 років тому +1

    I always include a lower unit pressure and vac test.

  • @bassmaster117
    @bassmaster117 5 років тому +9

    They say you don’t wanna do it at home because they want you to take it to a shop

  • @vikfan4life
    @vikfan4life 5 років тому +2

    What’s the cost of changing out the spark plugs and the oil in the lower unit?

  • @Francescat69
    @Francescat69 6 років тому +1

    Thanks for doing the video, guys. WHAT IF... at 100 hrs...one cylinder's compression is low? What can be done? Overhaul time already?

  • @TomHubba
    @TomHubba 5 років тому

    Right in my backyard! Thanks guys!

  • @Michael-dr6ot
    @Michael-dr6ot 4 роки тому +6

    I know i do all my servicing in a nice clean collared tucked in shirt.

  • @darrenloud6426
    @darrenloud6426 10 років тому

    Also good idea to inspect the impeller

  • @ko4nrbs
    @ko4nrbs 10 років тому +3

    Thanks guys for the good information.
    Bill

    • @boatsdotcom
      @boatsdotcom  10 років тому

      We're glad you found it useful!

  • @ryankeys6124
    @ryankeys6124 4 роки тому +1

    what do you grease when you pull the prop off? he says check for fishing line and grease it but never specified

    • @angelsuarez713
      @angelsuarez713 3 роки тому

      good question! I would like to know too

    • @Bo-Jarrah
      @Bo-Jarrah Рік тому

      Just grease the shaft

  • @MichaelH-ez7cy
    @MichaelH-ez7cy 4 роки тому +1

    does a 2 stroke motor have crank case oil or does the lower unit pump up to crank and rods?

    • @scrubly_jr
      @scrubly_jr 4 роки тому +1

      yes. they have a separate oil sump and a pump to get it into the crankcase. the lower unit is just gear oil

    • @eriks1526
      @eriks1526 Рік тому

      @@scrubly_jris there any videos showing how to change the oil in the sump?

    • @scrubly_jr
      @scrubly_jr Рік тому

      @@eriks1526 it's a 2 stroke you don't need to change it you just add more to the sump as the engine uses it

    • @eriks1526
      @eriks1526 Рік тому

      @@scrubly_jr Thanks! 👍

  • @patrickhascall7401
    @patrickhascall7401 8 років тому +10

    Nice video, but far from complete. It is critical to decarbonize the engine with combustion chamber spray such as OMC Engine Tuner every 100 hours or once a year. Carbon build up on piston rings "will" eventually cause engine damage and needs to be cleaned as before mentioned. Spark plugs do fail and should be "replaced" and not just inspected every 100 hours. The timing and carburetor sync should be checked and adjusted. Water pump impeller should be inspected and replaced as needed. Engine needs to be checked for proper operating temp (a cold running engine, as well as a hot one, will cause engine damage over time). Cylinder head bolts should be checked and set to proper torque specs. Electrical connections should be inspected for corrosion and properly lubed and/or sealed. Wiring should be inspected for wear and brittleness and repair or replaced as needed Engine fuel filter should be inspected, cleaned and/or replaced, not just the water sep filter. All fuel connections should be inspected for leaks and hoses need to be inspected to make sure they are not getting hard and brittle, and should be replaced as needed. Powerhead should be recoated with an anti-corrosion lube. I actually use gun oil on all my customers engines, and as I live and work in the high salt environment of Hawaii, and corrosion is a big issue. I have tested many lubes and several are good, but try and avoid lube sprays that leave a thick, sticky coating. Mechanics hate it, and it also attracts grime and retains heat. Been repairing outboards for over 30 years, and everything mentioned is absolutely needed to ensure proper operation, performance and engine life.

    • @patrickhascall7401
      @patrickhascall7401 8 років тому +4

      And oh yes... vacuum and pressure test the lower unit. I also include a carburetor cleaning on smaller outboards, as many are not run with water sep. filters or have built in tanks which do get dirty and the carbs do pick up water and junk from tank. Out here, it is next stop Tahiti if your engine fails, and I pride myself on "never" having had a customers engine fail due to improper service.

    • @bobsaget4546
      @bobsaget4546 6 років тому

      Patrick Hascall where are you from

    • @koldenrjk
      @koldenrjk 6 років тому

      how do you clean carb without taking it apart?

    • @jkg6211
      @jkg6211 6 років тому

      @@koldenrjk
      You can't. Thankfully, they're simple

    • @robbihurtado3216
      @robbihurtado3216 2 роки тому

      ​@@patrickhascall7401

  • @local7777
    @local7777 9 років тому +5

    Spark plugs "As white as possible"?
    I thought white plugs mean a lean mixture condition, which can result with severe motor damage. Spark plugs should have a light brown color.

    • @koldenrjk
      @koldenrjk 6 років тому +2

      I think he meant the ceramic piece - I hope..

    • @andrewfreeman88
      @andrewfreeman88 6 років тому +2

      Yes he said ceramic center piece, but he should just say light brown in color, not white or black..

  • @Farmer2492
    @Farmer2492 8 років тому

    just watched this again fantastic very informative how would i get the paint code for my outboard Thank you

  • @TomHubba
    @TomHubba 5 років тому +1

    Just curious?? What would this work cost? I have the same outboard.

  • @saltwater4892
    @saltwater4892 7 років тому +1

    Okay seen it on all vids and understand how but the why is not connecting with me.
    Why do you fill the lower unit from the bottom plug up instead of pouring it in the top until full?

    • @boatsdotcom
      @boatsdotcom  7 років тому

      Hi, if you leave the bottom plug in and try to fill from the top, the air being displaced by the oil can't get out. And if you leave the bottom plug out and fill from the top, well, the oil just runs out. So, the only way to get the job done is to remove both plugs, and fill from the bottom.

    • @saltwater4892
      @saltwater4892 7 років тому

      Thanks and wasnt sure how small the hole was as far as air and/or pouring it in But make a lot of sense what you said

    • @michealportwood5987
      @michealportwood5987 7 років тому +1

      Saltwater Outdoors because if you'd tried to fill it with the bottom plug and you would get air in the system

  • @kooguy80
    @kooguy80 5 років тому +1

    Is there a specific oil you used for the lower unit oil on a 2 stroke?

    • @bigal8976
      @bigal8976 7 місяців тому +1

      I used gear oil, I believe 90 weight bought at marine shop.

  • @tomnguyen9332
    @tomnguyen9332 9 років тому +1

    Hey, I have a question for you guys. My boat motor is not pumping water. I opened up the lower unit and checked the impeller, but it was in good condition. Any thoughts about this??
    And also, the little inlet beneath the impeller, is it supposed to be closed or open, because mine seems to have something blocking it.
    Thanks

    • @boatsdotcom
      @boatsdotcom  9 років тому

      Hey +Tom Nguyen, if you see any blockages, obviously, you should clean them out. That said, once you've dropped the lower unit it makes sense to do a complete water pump rebuild even if the impeller itself looks fine.

    • @ramboassgoblin
      @ramboassgoblin 8 років тому

      check the part that spits out water for clogging, you can poke it with a wire.

    • @Farmer2492
      @Farmer2492 8 років тому

      my brother inlaw brought an outboard once wasn't pumping water man put a new impeller in i checked it he left the pin that holds the impeller on the shaft off

    • @ramboassgoblin
      @ramboassgoblin 8 років тому

      Ha what a pain in tha butt!

  • @bigginfl
    @bigginfl 11 років тому +64

    "You probably won't be doing this at home." Why not? It's all simple.

    • @nemo5335
      @nemo5335 6 років тому +23

      Because they're a boat dealer and if you do this work yourself they make less money.

    • @koldenrjk
      @koldenrjk 6 років тому +2

      thats a bingo.. "inglorious bastards"

  • @michael3343
    @michael3343 9 років тому +1

    Where can i buy one of those compression checkers????

    • @boatsdotcom
      @boatsdotcom  9 років тому

      Michael Real They've got 'em on Amazon.com, just search for "compression gauge" in Automotive.

    • @michael3343
      @michael3343 9 років тому +1

      Thank you! :)

    • @boatsdotcom
      @boatsdotcom  9 років тому

      Michael Real No problem.

  • @THEMOWERMEDIC1
    @THEMOWERMEDIC1 11 років тому +1

    I always include a lower unit

  • @delbryan3253
    @delbryan3253 8 років тому

    Hello great video I have 5 hp mercury 2 stroke outboard Motor prop Propeller I was wondering about the seal in mine motor have not see the water in about 15 years what should I be looking for

    • @boatsdotcom
      @boatsdotcom  8 років тому

      Hey Del - ouch - after 15 years out of the water, you have to expect to replace every seal, gasket, fluid, and non-metallic part (IE the water pump impeller). That's just too long for an outboard to sit.

  • @karalewis2908
    @karalewis2908 6 років тому

    Hi Mr. Lenny Rudow?My name is Kara and I have a 2001 Yamaha 25hp 4stroke F25ELHZ.It's surging at full throttle do you have any suggestions?

  • @michaelwalsh9881
    @michaelwalsh9881 4 роки тому

    When would you replace impeller and when would you replace thermostats etc?

    • @fowlman7254
      @fowlman7254 7 місяців тому

      Once the water that come out the "pee hole" isn't flowing that can be a sign of impeller change needed.. should be a constant flow of water at idle

  • @13harjitsinghmt
    @13harjitsinghmt Рік тому

    Can we check and change engine oil?

  • @joem8912
    @joem8912 8 років тому

    Great video. Thank you for sharing!!!

  • @brandonrandall3861
    @brandonrandall3861 6 років тому

    Great video. Thank you.

  • @fish4kbcf
    @fish4kbcf 11 років тому

    I tend to do the impeller every two years on an 85 Mercury XR2.....should I do her every year to be safe? Motor runs like a champ and want to keep it that way.

    • @MrSupermugen
      @MrSupermugen 5 років тому

      5 years ago but, We do our impellers, plugs, gearbox oil and tilt fluid.. every year. we also check for fishing line, cracks in hoses and grease steering and linkages often.

  • @Farmer2492
    @Farmer2492 8 років тому

    Hi Fantastic video, i have a Yamaha 30 HP and a 50 HP about 90 models what gearbox oil should i use.

    • @boatsdotcom
      @boatsdotcom  8 років тому

      Hey Farmer 2492 - for both the 30 and the 50, Yamaha recommends Hypoid SAE#90 gear oil.

    • @Farmer2492
      @Farmer2492 8 років тому

      Thank you

  • @keepitreelcatfishing5883
    @keepitreelcatfishing5883 Рік тому +1

    How much the average cost ?

  • @shameelali2549
    @shameelali2549 5 років тому +1

    No new spark plugs?

  • @melindatodd8619
    @melindatodd8619 8 років тому

    i have a mercury 70hp outboard motor and when i pump the fuel to the motor when the ball gets hard the fuel pisses out of what looks like the carb...any help is appreciated thxs

    • @AnthonyAgostino
      @AnthonyAgostino 8 років тому

      that happens if you overpump. it pissess out so not to flood or liquid lock engine if you forces it through somehow if you manage to get a liquid in an engine when you start it it does not compress and would lock you up or bend a rod

    • @melindatodd8619
      @melindatodd8619 8 років тому

      thanks

  • @Steadicam305
    @Steadicam305 8 років тому +1

    What type of oil is used in the lower unit?

    • @boatsdotcom
      @boatsdotcom  8 років тому

      Hey Cameraman14 - that depends on the make and model of your outboard. Some use Hypoid high-viscosity, some others specify by brand (such as Quicksilver High Performance Gear Lube for some Mercury motors) and some others can use generic lower unit gear lube. Refer to your owner's manual or do a bit of Googling, to find out the specifics about your outboard before changing the lower unit oil..

    • @suew5704
      @suew5704 7 років тому

      Change oil in 4 stroke Honda outboard

    • @Jerry-xx8dx
      @Jerry-xx8dx 5 років тому

      Antifreeze

  • @ralph9987
    @ralph9987 4 роки тому

    and whay happened to checking the running engine? idle, etc??

  • @aaronibarra732
    @aaronibarra732 4 роки тому

    How would you do a oil change on that motor?

  • @richardwilson8121
    @richardwilson8121 9 років тому

    I HAVE 1989 45 HP MARINER MOTER WILL NOT RUN FAST ON THE LAKE IT TROLLS FINE . I REBUILT THE FUEL PUMP CHANGED THE FILTER. WHAT SHOULD I TRY NEXT

    • @boatsdotcom
      @boatsdotcom  9 років тому

      Hey Richard Wilson, you're following the right path. There are plenty of possibilities and we can't promise this will work, but a carburetor re-build is the next logical step.

  • @brianmorrison9066
    @brianmorrison9066 4 роки тому

    What about the oil and timing belt change?

    • @tdfsu1
      @tdfsu1 4 роки тому

      Brian Morrison two strokes don’t have oil and timing belts. They are lubricated through burning a fuel:gas mixture, typically 50:1 or lighter, depending if an auto lube system is installed.

    • @brianmorrison9066
      @brianmorrison9066 4 роки тому

      No oil changes, no timing belt and no valve adjustments! Next your going to say they are lighter, cheaper and make more power too!😀

  • @thegunnut221
    @thegunnut221 2 роки тому

    Half a job well done!😜

  • @MessianicJudaism
    @MessianicJudaism 4 роки тому

    Great video. But did not cover a full tune up. Eg: how to remove and replace points, how to set points, how to time the engine etc, etc.

  • @charlesronk2989
    @charlesronk2989 4 роки тому

    I don't get this you hear how wonderful these new outboards are and they talk about the 100hour service the 300 hour service the 500 hour service and people are spending like 400-500 for these services. I bought a Bass tracker Nitro with a 60 horse Evinrude in 1992 it finally quit last fall and in those 27 years I always stored it inside. I always put fuel stabilizer in fall then ran it until it ran out of fuel. I then fogged the cylinders. In those 27 years I changed spark plugs 3 times and lower unit oil like 5 or 6 times. Went through 3 starting batteries, one regulator rectifier, and one prop. I didn't have 500 in the 27 years I owned this thing. Todays engines seem like giant hunks of crap to me. Which I didn't really realize until I bought a used 2012 75hp Evinrude and started reading up on them. All I hear about is maintenance, maintenance and the ridiculous fees these Marinas charge people to work on boats. Then it seems like 80% of the time they are just guessing until they get it right. I was going to get rid of that old 60horse but now I am convinced it is worth hanging on to.

  • @billpelosi3022
    @billpelosi3022 5 років тому

    What's the average cost for 100 2 stroke service 1997 Yamaha V4 ????

    • @dannyv2335
      @dannyv2335 5 років тому +1

      A heck of a lot cheaper if you do it yourself

  • @pineyLt
    @pineyLt 6 років тому +3

    What part of this can’t be done by the owner???
    If you can’t do this I’ll bet you can’t check the oil in your car.

  • @officialgearhead6736
    @officialgearhead6736 6 років тому +4

    I was going to leave a smart ass comment about “not doing this at home” but after reading some of the questions in the comments clearly half of this videos demographic shouldn’t be attempting repairs on anything they own...

    • @sbuzz5889
      @sbuzz5889 3 роки тому +1

      true statement -wow expense to own a boat $$$- at least know this is 1/2 a service scared...

  • @elmeno140786
    @elmeno140786 10 років тому

    Hi... is it normal for the spark plugs to have oil on them?? I noticed mine did

    • @boatsdotcom
      @boatsdotcom  10 років тому

      Hi manuel ferrera. It's not uncommon to see a sheen on the plugs in a two-stroke, but they shouldn't be coated or caked with black goop. If they are, you need to check the fuel-oil mixture and make sure the fuel isn't being over-oiled.

  • @stevewilson4125
    @stevewilson4125 7 років тому

    What about the impella

  • @brettwinstead
    @brettwinstead Рік тому

    When I tried this, something weird happened. Eventually the oil just stopped flowing into the lower unit and started seeping out the edges of the pump where it screws in to the bottle. I could not get any more oil into the motor and it would not seep out of the top section like it's supposed to. I had plenty of oil left in the 32 oz container but it just kept seeping out of the pump itself. I'm kind of getting the feeling that my pump sort of exploded even though it was brand new. Should I just get a new pump and try again? Thank you.

  • @Bo-Jarrah
    @Bo-Jarrah Рік тому

    Half job at your backyard. Until Baaang you forgot to change the water pump 😂 the thermostat😂

  • @hondamojo1
    @hondamojo1 3 роки тому

    All cylinders 'within' 15% of each other. 👍

  • @rollingrock3480
    @rollingrock3480 5 років тому

    *Lower unit gear lube, not oil*

  • @farmingfishingfamilyontari2814
    @farmingfishingfamilyontari2814 7 місяців тому

    Why would I not want to do this myself

  • @mufuliramark
    @mufuliramark 3 роки тому

    I don’t even own a boat but recognise that this is only an overview of what’s to get done. I would have thought more info would have been offered here but it isn’t. I would rate this video as ‘lame’ at best. You just have to read the comments from boat owners to see that it’s lacking in information.

  • @sbuzz5889
    @sbuzz5889 3 роки тому

    thats all for 100 hour service ? no run test? check- water pump/ belts/ hoses/wires visual? hook computer up to it take reading? xtra that anode by prop needs changing.

    • @Bo-Jarrah
      @Bo-Jarrah Рік тому +1

      Belts ?? Computer?? This is a yamaha 200hp 2stroke 😂

  • @FoxtrotUniformCharlieKilo774
    @FoxtrotUniformCharlieKilo774 6 років тому +1

    "Upper drain screw"You mean "vent"?

  • @michaelwalkermw83
    @michaelwalkermw83 11 років тому

    how do you care for a outboard motor when you have a disability and I want to learn more about it
    from Michael walker
    keen old salty boat owner

  • @mikhailkuleshov385
    @mikhailkuleshov385 10 місяців тому

    Why wouldn’t you do it at home , it seems super easy .

  • @georgemulligan8958
    @georgemulligan8958 7 років тому +2

    What a joke something you definitely do not want to tackle at home. My ten-year-old does the service on our outboards. I even have him do a pressure test to make sure the seals are okay

  • @muhdhairul7140
    @muhdhairul7140 2 роки тому

    Ok the bes

  • @ABDULJABBAR-if8ix
    @ABDULJABBAR-if8ix 7 років тому

    like

  • @fowlman7254
    @fowlman7254 7 місяців тому

    This seems like they realized how many clients they'd lose to self servicing and ended the video abruptly😂😂😂.. great info nonetheless

  • @jamesrahn8339
    @jamesrahn8339 3 роки тому

    What about the thermostat?