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DICE464
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DICE464

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PostSubject: seized briggs   seized briggs Icon_minitimeThu Jul 21, 2011 6:20 pm

so i got this snapper with a 9hp briggs andme and a friend got running. it was one of the best running engines ive ever had until it just slowly died and turned out it seized tighter than a ticks ass. problem was is the guy didnt tell me it sat on its side for like three days. so i was wondering if anyone had good techneics for getting engines unseized. would really appretiate the help guys thanks
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PostSubject: seized briggs   seized briggs Icon_minitimeFri Jul 22, 2011 1:35 am

If it locked up when running, scrap it. Unless you want to spend alot of time and $300 on a $100 motor.
sounds like the motor got hot and valve stems got sticky. probably have a bent valve now (if its not stuck in the piston).
I wouldnt trust the rod after that
Sitting on it side wont hurt it as long as you dont run it that way. Check under the fan shroud, I'll bet the fins are packed full of grass and dead mice
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Fattypipemuarry
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PostSubject: Re: seized briggs   seized briggs Icon_minitimeFri Jul 22, 2011 7:04 pm

soak that somebitch in tranny fluid for bout 3 days it will unstick it
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gilsonrumbler
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PostSubject: Re: seized briggs   seized briggs Icon_minitimeFri Oct 07, 2011 6:13 pm

i have seized many briggs... don't free it up and keep running! best bet is to check the bore for scoring/seized and the rod bearings.. if the bore is good simply swap out the crankshaft and rod and wristpin.. thats if the rod bearings are bad/seized. if bore is junk/piston is locked then toss it for scrap.
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Ford Boi
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Ford Boi

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PostSubject: Re: seized briggs   seized briggs Icon_minitimeFri Oct 07, 2011 9:34 pm

Does it have a cast-iron sleeve? if not, junk it lol... I used to run alot of old 8's and seize them, un-seize them and sand the cylinder and run them again... But they were just for razzing.
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ferg
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PostSubject: Re: seized briggs   seized briggs Icon_minitimeWed Oct 26, 2011 7:56 pm

the cylinder will be scored real bad, you would have to rebore the cylinder and oversize the rings or piston, just not worth the effort if i am honest, unless you know someone who can rebore and hone cylinders!!
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chopsmith
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PostSubject: Re: seized briggs   seized briggs Icon_minitimeFri Feb 24, 2012 2:49 pm

Shop on Ebay, oversize piston and full gasket set is less than $100. I get dozens of free seized motors and rebuild them, almost have more motors than I know what to do with. Heres a vid of the latest 11 hp I got going on https://youtu.be/TJwMRtnxNc4
Start by taking it appart, there is just three crank bearings and a piston to seize in place, from my experience. Real easy fixes.
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boggo
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PostSubject: Re: seized briggs   seized briggs Icon_minitimeFri Mar 02, 2012 7:40 pm

my 11hp briggs seized up because it ran out of oil but i was lucky no damage was done all i did was crank it over with a wrench and it worked again but i filled up with oil Very Happy
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canadianromper
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canadianromper

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PostSubject: Re: seized briggs   seized briggs Icon_minitimeSun Mar 04, 2012 4:45 pm

i have had a motor do that on me and it got the boar all messed up so i ended up scraping it Sad
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