siezed engines - Snowblower Forum : Snow Blower Forums
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post #1 of 44 Old 04-13-2015, 11:05 AM Thread Starter
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siezed engines

i was wondering if seized engines on these things are worth trying to get going again instead of just re powering them? the oil lever is at the bottom of the dipstick but there is no holes in the block so i don't know if it was run like this and it seized up or not. i picked it up at the curb for free. the thing seems in good shape other than the seized engine


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post #2 of 44 Old 04-13-2015, 11:34 AM
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143 754132 ?? I'm guessing this is the number. If it's just a 5 horse it depends on the thickness of your wallet and your location.

Here in the states I'd say try pouring some penetrating oil in the cylinder and let it sit overnight and if it frees up go from there.

Down here you can get a 6.5 Predator for a hundred bucks so messing with a stuck engine much isn't really worth it unless it's the challenge you love or your broke and have to try and save it.

Not sure how easy or cheap you can find an engine so not sure how much time it's worth to you.

Number one, what does the rest of the machine look like and have you found anything else worn out or broken that would make a re-power not worth while ??

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post #3 of 44 Old 04-13-2015, 01:54 PM
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get some mmo, pull off the recoil, and try to turn the engine over by the starter nut after letting it sit overnight. might be a thrown rod
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post #4 of 44 Old 04-13-2015, 04:20 PM Thread Starter
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143 754132 SER 5319B. ya it is just a 5HP engine. i was really not sure whether it was worth putting money into or not. the thing overall looks pretty good but does have a couple small rust spots. not sure if there is anything broken. i was possibly thinking about picking up an engine on sale not sure what i want to do with it yet. really don't need the snowblower but if i can get it working cheap enough i know i could always find a good home for it. i did put some ATF in the cylinder since i know it is suppose to be pretty thin and shouldn't hurt anything.

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post #5 of 44 Old 04-13-2015, 11:16 PM
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Two things, is this a two (separate) pulley, or single?

If it's a single, then a princess auto/ harbor freight 6.5 hp motor could be a cheap alternative. And the chassis on that machine looks to be in good(solid) shape. It's not rust free and perfect, but there does not appear to be anything that would prevent it from working as designed.

Personally, I might go as far as taking the crank case cover off, just to verify the integrity of the internals. I'd also consider using some PB'laster to loosen things up.

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post #6 of 44 Old 04-13-2015, 11:42 PM
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I have seen "siezed engines" It was a chunk of carbon broke loose on top of the piston. always good to diagnose it yourself with a tear down.
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post #7 of 44 Old 04-14-2015, 12:57 AM Thread Starter
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thanks. i will check to see if there is 2 separate pulleys or just 1.

i don't think it is carbon. when i had the plug out from what i could see it didn't look like there was much if any carbon in it. i still might end up tearing it apart eventually anyway. it never hurts to tear a free engine apart.

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post #8 of 44 Old 04-14-2015, 08:41 AM
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Not to mention the fun of doing a re-build and keeping the machine original.

I'm pretty much retired from the forum thing, but I check in every now and then.
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post #9 of 44 Old 04-14-2015, 10:16 AM Thread Starter
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i am not too picky on whether the machine stays original or not. even if i can get the engine running i might still sell it to replace it with a newer style engine. i know even the cheap 6.5hp OHV engine that i got on sale for my arien works pretty good once you get the bugs sorted out.

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post #10 of 44 Old 04-14-2015, 03:21 PM
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Fill Crankcase with oil. Pull spark plug out and generously spray PB Blaster into spark plug hole in the direction of the piston. Put a pipe wrench on the crankshaft and work it back and forth until it frees up. Pull recoil a few times to spin engine without spark plug reinserted. Give carb a shot of starting fluid, and it should fire if it has spark. That is, if the Rod didn't break.
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