Fixing a Seized Motorcycle Engine

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  • čas přidán 23. 05. 2014
  • This video shows how to free pistons that are seized in a motorcycle engine.
  • Jak na to + styl

Komentáře • 60

  • @gergemall
    @gergemall Před 3 lety

    Patience for sure and generally repeating steps it will work . Great video

  • @ben8090
    @ben8090 Před 6 lety

    Great video.
    What did you do to the engine after you unseized it?

  • @theduder2617
    @theduder2617 Před 6 lety

    Ninja 900 zx9r. Ran fine. Stored over the winter. Went to start it, dead battery.
    New battery, but the engine acts like it is seized hard. Even trying to push it and pop the clutch only leads to the rear tire sliding.
    Starter engages, but the engine never seems to move.
    How is it possible for a perfectly running engine to seize up when it has not even been started since it ran last?
    And can a fuel injected bike drip enough fuel into the cylinder to cause it to seize like this?
    Have not made it to the plugs yet. Looking for any input possible before I get my hopes up.

  • @larryspratley315
    @larryspratley315 Před 6 lety +5

    I just got a xr100 unseized bought it for a $100 brought it home drained the oil removed the spark plug then I mixed up some automatic transmission fluid and acetone 50/50 mix shook the loss out of it and poured it in the cylinder on top of the piston and left it alone for about 2 1/2-3 hrs figured I'd give it a shot stepped on the kick start lever and by the time I had 3/4 of my weight on it down she went side note make sure u put a rag over the spark plug hole lol now I have a big oil stain on the ceiling in my garage looking back it's obvious I should've put something over the hole but didn't cross my mind at the time but the transmission fluid and acetone mixture is one he'll of a penetrating oil it's my favorite

  • @simontopspreadplastering5209

    Don’t ever hit hammers together!!

  • @RideWithTheWolf
    @RideWithTheWolf Před 2 lety

    Bike was low on oil and siezed. I freed it up and everything seems fine, but not starting. Is it possible nothing is wrong or should I just rebuild the top end? I doubt the bottom end is messed up, but Honda tried to say the whole engine is fried.

  • @ganeshbaal3163
    @ganeshbaal3163 Před 8 lety +1

    is your clutch also seized??

  • @facereader99
    @facereader99 Před 3 lety +1

    Do I see the top of the engine case ripped apart at the end of the video?

  • @redgeciccone8218
    @redgeciccone8218 Před 6 lety

    I did the same thing, the motor was jam hard, after a while I get it free, but the piston ring still jam, so I heat the ring to let them expand. It cost me new ring only I keep the same piston, the engine run for 3 years now without issue.

  • @autoandcribtoursspacemintc3123

    good vidio

  • @georgemillington2898
    @georgemillington2898 Před 7 lety +1

    I just bought a 1974 Honda cb 360 that sat in the garage for 35 years it was seized up very bad I used mystery oil pulled the plugs and filled the cylinder left it over night 'the next day I put a bar on the stator moved it back and forth a couple times till it blew out the oil then put the plugs back in and put gas in the tank and gave it a boots it started right pu 'now it runs perfect it will star with only one kick or just hit the start button it runs like a new one .

  • @Lanse141
    @Lanse141 Před 6 lety

    The tone of your voice reminds me of a coroner

  • @ChuddleBuggy
    @ChuddleBuggy Před 8 lety +4

    I freed my buddy's seized supra engine once. What I did was i took off the spark plugs, sprayed a good amount of WD40..removed the drain plug (it had little oil left, w/c was the reason it seized in the first place), sprayed WD40 where ever I could get it on the crank and conrods. Let it set for a 10-15 minutes, push-cranked the car (spark plugs still off) in 4th, voila!

  • @extremebreedscatlife
    @extremebreedscatlife Před 5 lety +1

    The easiest way to get it broke free is to put it in gear and with a little oil down in each of the pistons rock the bike back and forth till it breaks free.

  • @divinewind131
    @divinewind131 Před 8 lety +2

    Basic tutorial how to fuck up your cylinder. (heating/hammering it)

  • @504Evan
    @504Evan Před 8 lety +1

    do u pour the marvel mystery oil just straight on the headers or?

  • @aleanwinslow2178
    @aleanwinslow2178 Před 3 lety

    Heat lots of heat on a 66 305 pulled the head has aluminum buildup they are stuck really bad fixxing to put the big torch on the cylinders

  • @virginsmoker
    @virginsmoker Před 8 lety

    From the outside, with alot bigger torch !

  • @yas1137
    @yas1137 Před 8 lety +2

    have you tried putting it off an on again?

    • @arthurfarrantbmx1084
      @arthurfarrantbmx1084 Před 8 lety +1

      yep, I'm British, it's the first thing we do when something breaks.

  • @stockton350
    @stockton350 Před 5 lety

    I've managed unseize a piston by keeping the engine in the bike, spraying PB blaster into the spark plug holes, rocking it back and forth for 10 mins and then letting it sit over night. Next day, rocked it back and forth for a few more minutes and it breaks free. It's an easy method and worth trying

    • @Realofficialdee
      @Realofficialdee Před 5 lety +1

      *im not sure if you know a lot about dirt bikes but hopefully you do. My Yz85 seized on me while i was riding, i walked it home and the next day my friend came to look at it. While looking at it, he took my bike off the stand and moved around a lil. Next thing you know, my kickstarter wasn’t stuck anymore. You think you know the problem? Or what caused it? We looked over it and found out my carburetor intake manifold was cracked , that might be the reason?*

    • @38Fanda
      @38Fanda Před 4 lety +1

      @@Realofficialdee lmao no

    • @Realofficialdee
      @Realofficialdee Před 4 lety

      F.V. *the manifold was the issue. And this comment was almost a year ago. Let it go.*

  • @virginsmoker
    @virginsmoker Před 8 lety +1

    Heat the barrels !

  • @michaelangelod5008
    @michaelangelod5008 Před 6 lety

    my piston is seized in my cylinder and I cant take my cylinder off

  • @dabprod
    @dabprod Před 7 lety +1

    This will work, but you need patients. Many years ago I had a 1953 MG TD sports car, the previous owner blew the engine and replaced it with a four cylinder Triumph engine. The engine got some moisture in it after sitting for months without starting and the engine seized. I ended up pulling the head and basically did what he did in the video. I repeated this over and over every 3-4 days for a month. I would rock the car back and forth while in first gear. Finally she broke loose. I put it all back together and it ran like a top for the next couple of years until I sold it.

  • @nazimelon6653
    @nazimelon6653 Před 8 lety

    how about buying a new cylinder head? and i mean it like i say. because in y young, 17 year old mind, its that simple. just off-screw the old cylinder head and make or buy a new one. or is it different with a seized piston?

    • @Ijusthopeitsquick
      @Ijusthopeitsquick Před 8 lety

      +Nazimelon He already removed the cylinder head. If you mean the cylinder block, it can't be "off-screwed" (removed) because it is friction welded to the pistons, which are attached to the crankshaft. That's what a seized engine is, my 17 year old friend.

    • @theduder2617
      @theduder2617 Před 6 lety

      "make" a new one he says. LOL

  • @robertbrandywine
    @robertbrandywine Před 8 lety

    What about first letting the cylinders soak in penetrating oil for a day or two?

    • @brettknoss486
      @brettknoss486 Před 8 lety

      MMO is basically penetrating oil. Hydrocarbons and a naphtha base.

  • @victorzx7rr
    @victorzx7rr Před 8 lety

    Put METAL RESCUE in it!!!

  • @darknessofmadness
    @darknessofmadness Před 9 lety +2

    never strike 2 hammers together

    • @chiefazn6957
      @chiefazn6957 Před 8 lety

      why

    • @mrswinkyuk
      @mrswinkyuk Před 8 lety

      +Chief AzN Two Case-hardened surfaces can easily shatter. Although in this case he's hitting asoft faced mallet body which isn't as bad.

    • @Zonkotron
      @Zonkotron Před 8 lety

      +Stan Whattmore Hammers are not case hardened and proper hammers will stand that abuse without any trouble.....

    • @Lanse141
      @Lanse141 Před 6 lety

      Hammer facts.

    • @RmRdtheDestroyer
      @RmRdtheDestroyer Před 6 lety +1

      Any tool, can be the right tool

  • @motorcyclerefurbishment8162

    Personally, the only idea in my mind, if the engine was seized, would be to dismantle the whole engine, and any stuck areas can then be freed, given time etc. I certainly wouldn't dream of whacking anything....

    • @johnfraser8158
      @johnfraser8158 Před 7 lety

      how will you take the cylinder off if the piston is seized?

    • @motorcyclerefurbishment8162
      @motorcyclerefurbishment8162 Před 7 lety

      Firsty, never hit anything with a hammer, secondly, spilt the crankcase, then you cn access the top and bottom of the pistons, then you can see if it is the rings, or the cranshaft that's causing a proble,....then look at ways to free the rings, if they are stuck in the bore, lastly, remove all the cylinder studs, then the cylindr block should come free

    • @johnfraser8158
      @johnfraser8158 Před 7 lety +1

      ROY Dean but you can't split the cases until the cylinder is off . . .

    • @motorcyclerefurbishment8162
      @motorcyclerefurbishment8162 Před 7 lety

      I have just split the crankcase on a Yamaha XJ600 1997, as I have a problem with the cylinder block........Have you ever split a crankcase....??..............I am just about to split the crankcase on a 1993 BMW R1100RS..........

    • @johnfraser8158
      @johnfraser8158 Před 7 lety

      ROY Dean On my YZ250 I can't split the case unless the cylinder jug is off because there are studs which go from the case to the cylinder head.

  • @MrWiskin
    @MrWiskin Před 8 lety +1

    Throw it in the bin!

  • @melissamunden5763
    @melissamunden5763 Před 7 lety +1

    No...No Dont do this...everything you're doing is going to end up causing more damage. yeah you might get the pistons out but you're going to bend something or break a cooling fin or chip your cylinder wall...Nooooooooooooooooooooo

  • @official88beats
    @official88beats Před 6 lety

    So he never fixed it lol

  • @kashmir1824
    @kashmir1824 Před 6 lety

    Sorry to say but its totally wrong method

    • @theduder2617
      @theduder2617 Před 6 lety +2

      Why didn't you offer the correct method then?
      You can't just blanket sweep something as wrong without explaining what was wrong and why.