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I've been having engine problems with my old John Deere LT 133 mower keeping it running. I've finally narrowed it down as to why it would start easily one time and hard the next time. Finally it won't start. Only back fires thru the exhaust and carb. The exhaust valve is not closing. Looks like the hydraulic lifter is stuck.
How do I go about replacing the hydraulic lifters?

See if this will help you:
Link

Jrod,
I have the same thing going on with my JDLT133, did you get it fixed? if so can you share? thanks

:welcome:

Jrod only ever posted once in 2014
Hit the link in the second post and get your service manual fom Kohler.
Because of the bucket construction Kohlers are easy to work on and once you remove both belts they can be services in the mower

bertsmobile1 said:

:welcome:

Jrod only ever posted once in 2014
Hit the link in the second post and get your service manual fom Kohler.
Because of the bucket construction Kohlers are easy to work on and once you remove both belts they can be services in the mower

Click to expand...

I have tried the link provided but I can not seem to find a manual for CV13S. it comes back with nothing.

CV13s
C= Command
V = Vertical shaft
13 = Hp
S- Spark advance ( Sam module )

All the Command vertical single engines are covered by the same manual
https://www.kohler-engine-parts.ope.../free-kohler-service-manual-downloads-p-34596
Third one down all models 11 Hp to 16 Hp

WoodCarver said:

I have tried the link provided but I can not seem to find a manual for CV13S. it comes back with nothing.

Click to expand...

Don't use the S on the CV13S its a letter that John Deere uses. Look for a CV13. Its under command PRO 11-15 HP vertical