Help!!!! Troy-Bilt

[Bigdaddy's Craftsman]

You don't think i could get a head gasket and a new piston.

 

[ILENGINE]

What I see is damage to the exhaust valve seat and a broken valve. Also damage to the head of the intake valve with the possibility of the intake valve being bent. Also there are holes in the piston with the potential of the rod being bent. So I would with any potential of doing proper repair would require a new head and a new piston and rod.

 

[Tiger Small Engine]

What I see is damage to the exhaust valve seat and a broken valve. Also damage to the head of the intake valve with the possibility of the intake valve being bent. Also there are holes in the piston with the potential of the rod being bent. So I would with any potential of doing proper repair would require a new head and a new piston and rod.

How much do you think this mower is worth? What is the model number of mower? Age?
Will you be doing the work yourself? What model number of engine? For example, if the mower is worth $500 and you spend $500 in parts and several hours of labor, that is a judgement call and up to you, but probably not worth it.

 

[slomo]

Have to ask. Are the cooling fins clean and open? Little late now I guess.

 

[WisconsinFrank]

Perhaps the valve keeper dropped off and allowed the valve to drop into the combustion chamber. On the next revolution - lunched the valve/piston/piston rod.

I just did this with a 17 hp Briggs. It cost a lot to repair but it is running fine now. Cheaper than a new machine, so I did the repairs.

 

[Sonny1980]

im not expert but if when you turn the key and it just clicks theres a good chance there good be a short in the wiring connections somehow.. and if the motor doesnt turn and locks the emergency brake or clutch could be on..maybe in the way you reassembled it.. ive had John Deere push mowers that would do that if you turn it off witht eh clutch engaged it locks the mower. and by the looks of that mower id clean that debris out of there. if you turned the mower off with teh clutch on that is it could still be in the on position

 

[jviews12]

Since I assume it started and ran OK before this all happened. Since you did NOT touch the engine, I must assume either a belt problem, or possibly oil and hydro lock issue, with the latter unlikely. This is 100% based on your initial statement. Yes I would be frustrated too. Good luck. I cannot believe the engine went "bad" because a belt was changed, this just doesn't happen.

SORRY FOLKS, missed many other postings o this. never mind.

 

[fiscokid]

Check the ground cable

 

[gregboggess]

Bottom, i meant Bottom valve. It would not move up and down.
Top valve looks good.
The spark plug has been out the whole time.
Internal, meaning what could it be.

Sounds like the exhaust valve guide has moved.

 

[oldntired55]

broken camshaft??