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Correct Valve Settings

#1

K

Kajun

I have a Troy Bilt pony with a Briggs & Stratton 17.5 IC OHV engine. For some reason, the Model Number was never stamped on the Valve Cover. The only numbers I found are located on the emissions tag which B&S said doesn't help. Can anyone with this same engine give me the correct valve settings.

Thanks


#2

I

ILENGINE

Depending on age the model number could of been a stamped tag riveted to the blower housing next to the flywheel, or could be stamped into the housing above the spark plug or on the side of the housing. Also make sure the valve cover isn't installed upside down putting the numbers on the bottom.


#3

M

mechanic mark

www.bing.com

CORRECT VALVE LASH ON B&S 17.5 IC OHV ENGINE - Bing

Intelligent search from Bing makes it easier to quickly find what you’re looking for and rewards you.
www.bing.com www.bing.com


#4

StarTech

StarTech

IN .003"-.005"
EX .005"-.007"


#5

K

Kajun

ILENGINE said:
Depending on age the model number could of been a stamped tag riveted to the blower housing next to the flywheel, or could be stamped into the housing above the spark plug or on the side of the housing. Also make sure the valve cover isn't installed upside down putting the numbers on the bottom.
Click to expand...


#6

K

Kajun

StarTech said:
IN .003"-.005"
EX .005"-.007"
Click to expand...
Thanks


#7

K

Kajun

ILENGINE said:
Depending on age the model number could of been a stamped tag riveted to the blower housing next to the flywheel, or could be stamped into the housing above the spark plug or on the side of the housing. Also make sure the valve cover isn't installed upside down putting the numbers on the bottom.
Click to expand...
I had this motor apart looking for a model number, this is one that slipped through the system. The only thing I didn't do, was to split the case. I bought the mower in early 2006, listed as a 2005 model. So I would guess the motor is a 2005 vintage..


#8

I

ILENGINE

Kajun said:
I had this motor apart looking for a model number, this is one that slipped through the system. The only thing I didn't do, was to split the case. I bought the mower in early 2006, listed as a 2005 model. So I would guess the motor is a 2005 vintage..
Click to expand...
Could you post the model and serial number from under the seat if that tag is still there. MTD sometimes will have the engine model number listed as part of the parts diagram on the dealer site.


#9

K

Kajun

Here are numbers from the Bar Code and Product Tag I found under the seat. Hope this helps.

Bar Code 43033 53541

Troy Bilt Tag Model Number 233644 13AN77TG766 S/N 1D056B30312 DOM: 4/2006


#10

I

ILENGINE

Engine model number 31C707-0603-E2


#11

K

Kajun

Thanks for your help. Just watched & compared settings on the videos, will reset the clearances tomorrow.
The engine model number will surely come in handy.


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