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Briggs & Stratton Short Block Engines


Blocks are available in 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 23, 24, 25, 28, 29, 30, 31, 32, 35, 38, 40, 42, 44, 46,
47, 54 and 61 cubic inch assemblies. To use a Short Block Assembly, the ignition, carburetion and starter parts are transferred
to the Short Block from the old engine. If additional new parts are required, they are supplied from stock at regular parts prices.

Short Block Assembly instructions and an Illustrated Parts List are included with each Short Block. Carefully read the
Assembly instructions for specific information pertaining to the assembly being used.

Each Short Block Assembly includes a metallic self-adhesive label to be applied to the engine, adjacent to the original nameplate.
The label bears a symbol (example V-51) which must be added to the original type number (example 0125 V-51) when
replacement parts are ordered. The label must be applied in order to correctly identify the engine after repair with a Short Block.


Governor: “AV” - air vane, “M” - mechanical.
Bearing: “P” - plain, “B” - ball or DU.
Accessory Mounting Boss: Tapped hole in crankcase cover used to fasten clutch brackets, belt guards, etc.
Right Angle Auxiliary P.T.O. “R.A. PTO”
“CW” - clockwise rotation.
“CWW” - counterclockwise rotation.

“I/C® SERIES” Short Blocks:
These short blocks include a cast iron sleeve, Cobalite™ exhaust valve and seat, and an
exhaust valve rotator, a combination which has proven desirable on Industrial/Commercial applications. The use of an “I/C®”
Series short block, when repairing engines powering Industrial/Commercial applications, will result in a reduction of down time
and maintenance costs because of the extended valve life.
Distance from end of crankshaft to one of the points listed below:

(a) Oil seal on plain bearing, horizontal crankshaft engines.
(b) Mounting face of sump on vertical crankshaft engines.
(c) Flange mounting face on ball bearing, horizontal crankshaft engines.

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