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Briggs and Stratton Specs

Freight57

New member
Joined
Jan 20, 2026
Messages
1
I am rebuilding a Briggs and Stratton 08p502-0063-F1 engine and can’t find the measurements and torque values anywhere. Please help. Thanks
 
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Byrdnyrd

Well-known member
Joined
Jan 10, 2021
Messages
120
Location
Taxachusetts
Slow Down there Dynamite!!!

We’re gonna need a little more information than that!! Measurements of what? Torque values of what components? The Head? The case? Kniflin pins?

You’ll get all the info you need here for sure, but you’ll have to be more specific as to what you need!

Cheers,
BN
 

Stuart in MN

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Joined
Sep 8, 2005
Messages
23,243
Location
Minneapolis
Simply plugging the part number 08p502-0063-F1 into Google comes up with multiple locations that have parts diagrams, I didn't find any service manual info with torque specs or bearing clearances, but I only looked for a minute. If you google the number and dig deeper you may find something. Alternately, if there are any small engine repair shops in your area, you could visit them - if you ask nicely they may let you look at their manuals.
 
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four.cycle

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Joined
Oct 19, 2015
Messages
29,513
Location
Tacoma, Washington
@Freight57 -

HERE is the partstree.com page showing exploded-view diagrams of your engine.

Not sure what you mean when you ask for "Measurements" - what are you wanting to "measure"?

Spark plug gap, magneto air gap, and valve lash you should be able to find online - none of my repair manuals cover those newer engines.

Torque specs you should be able to find online as well.

Archive.org does have some manuals available, but the B&S manuals are huge volumes and may not be there.
 

PWC Repair

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Joined
Dec 27, 2012
Messages
3,202
Location
Arkansas
It's a Briggs!.....not a 2000hp, turbo, nitrous injected, smallblock. I figure about 3 ugga duggas is just about right. Or if you're not an experienced listener maybe just tighten manually to about good-n-tight.
 

four.cycle

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Joined
Oct 19, 2015
Messages
29,513
Location
Tacoma, Washington
^ He's working on a later OHV model - the "ugga dugga" thing isn't really advised. That's why I blew $60 bucks on a clicky-inch-pound torque wrench.
 
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