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9/23/2020 3:47:02 PM
Posted: 4/25/2014 8:45:38 PM EDT
I have A MTD mower with a Honda 6 h.p. on it.
It stopped running. Pulled the carb, cleaned it up, jet is clear, new plug.
It has needed starter fluid to get going for a few years but once its been run it runs.
Pull cord long gone, been using a socket on a Dewalt.
It will sort of sputter but not go. Any ideas?
Link Posted: 4/25/2014 9:10:33 PM EDT
Fuel - go buy some fresh gasoline.  Don't try to use last year's fuel.  Drain the old fuel in the carb, fuel line and tank.

Air - clean the air filter or replace it.

Spark -  pull the plug and make sure you're getting a strong spark.



Ahem,... you did set the choke before trying to start it, right?
Link Posted: 4/25/2014 9:18:20 PM EDT
Fresh gas 91 octane, air filter is fine, choked not choked, good spark I don't know.
It will sputter, kind of like a backfire but not run
Link Posted: 4/25/2014 11:08:29 PM EDT
Did you hit something with it?  Sounds like it could be a partially sheared flywheel key.
Link Posted: 4/25/2014 11:36:03 PM EDT
I don't know, it turns snorts and pops, if it is seared what would it do?
Link Posted: 4/26/2014 6:27:50 AM EDT
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By glorifiedG:
I don't know, it turns snorts and pops, if it is seared what would it do?
View Quote




Exactly what you are describing.  Basically, the spark timing is off if the flywheel key is sheared...or partially sheared.
Link Posted: 4/26/2014 6:41:29 AM EDT
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By ColtRifle:




Exactly what you are describing.  Basically, the spark timing is off if the flywheel key is sheared...or partially sheared.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By ColtRifle:
Originally Posted By glorifiedG:
I don't know, it turns snorts and pops, if it is seared what would it do?




Exactly what you are describing.  Basically, the spark timing is off if the flywheel key is sheared...or partially sheared.

Ok, what about a stuck valve or they need adjusting
Link Posted: 4/26/2014 11:13:29 AM EDT
Intake valve was stuck. Got it running and grass cut. It will not REV very high like it used to and sort of surges but thats for another day.
Link Posted: 4/26/2014 11:42:33 AM EDT
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By glorifiedG:
Intake valve was stuck. Got it running and grass cut. It will not REV very high like it used to and sort of surges but thats for another day.
View Quote




Well valve problems will also cause a similar issue.  I ASSumed that it had proper compression.  That's what I get for assuming!

Sounds like it's about time for a new mower!!
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