My Craftsman is noisy first 15 minutes

spock

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Hi, I have a 22inch self propelled walking mower , Craftsman . This is my 10th summer using it. I noticed the last few weeks that when I first start it , the mower is very noisy, almost doesn't sound good, but after 15 minutes it runs fine, for a mower this age. What can I do to improve it's condition so it will last a few more years ? I change the air filter, the oil and I spray this carb cleaner in the carbeurator every spring before the first cut of the season. I live in upstate NY and I mow once a week, takes me a little less then an hour. Thanks for everyone's help in advance.
 

7394

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Hmmmm. might try using 1 grade thicker of oil, 'sounds' like you have some worn internals that quiet down when the heat expands them.. (Just a thought).
 

spock

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what viscosity would you recommend? the model # of the mower is 917.376054

In temperatures above 32 degrees F, they recommend SAE 30. what is something better?
 

gainestruk

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Try some Shell Rotella T 15W40, it's a heavy duty diesel truck oil and I've used it for 20 years in all my small engines.
When I changed my new Kohler 23 hp to it on 2nd change it quieter than it was on 10W30, you can get it in quart and gallon size at Walmart.
 

7394

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what viscosity would you recommend? the model # of the mower is 917.376054

In temperatures above 32 degrees F, they recommend SAE 30. what is something better?

Well, I'd try a straight 40wt, or even just add 1 ounce of STP to your 30wt next oil change.

Multi-grades are good in that they initially remain thin enough to get everywhere fast at start up, then the molecules in it thickens the oil as it heats up.
 

Jack17

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Guys! How 'bout OHV adjustment?
 
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