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I am having trouble figuring out this old engine and the specs so I can replace it.


Briggs and Stratton

Model 252707
Type 0617 01
Code 87031410

Is there a site to look up the horse power, shaft size, mounting bolt pattern and so on?

crankshaft is 3 5/32 long, 1 inch diameter, tapped 7/16 x 20 bolt. If I remember correctly the 25 ci engine is 10 HP. Didn't find any mounting bolt specs, but those are fairly standard between engines, even within brands of engines, at least for rider engines.

Tommyboyxd said:

I am having trouble figuring out this old engine and the specs so I can replace it.


Briggs and Stratton

Model 252707
Type 0617 01
Code 87031410 (Made 1987 Mar 14th)

Is there a site to look up the horse power, shaft size, mounting bolt pattern and so on?

Click to expand...

25 - Cubic inch displacement (25)
2- Basic Design Series (2)
7- Crankshaft Orientation (vertical shaft)
0- PTO Bearing, Reduction Gear, Auxillary Drive, Lubrication (Plain Bearing/DU Non-Flange Mount)
7- Type of Starter (Electric Start 12V Gear Drive With Alternator)

The TYPE number identifies the engine mechanical parts, color of paint, decals, governed speed and Original Equipment Manufacturer.

CODE: 01061201 The code is the manufacturing date and is read as follows:

01 - YEAR
06 - MONTH
12 - DAY
01 - ASSEMBLY LINE AND MANUFACTURING PLANT

Cool thank you very much.