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Breather Assembly

Part Number: 791781

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Repair Instructions

*This part replaces obsolete part #: 699640, 495785 and 298383.

Product Information

Manufacturer: Briggs and Stratton, Toro

Product Number: 791781

Classification: Part

Weight: 0.08 lbs.

Shipping: Ships Worldwide

Description:

This item has been sourced from the original manufacturer to ensure quality. The breather assembly is intended to be used with lawnmower engines from Briggs & Stratton and Toro. The breather assembly attaches to the crankcase. This item is used to allow gasses to escape the crankcase while retaining oil. This assembly includes the breather and the gasket.

Warning: California's Proposition 65

Frequently Purchased With

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Compatibility

This part is compatible with the following machines:

Briggs and Stratton

90700 Series Engine
91700 Series Engine
82900 Series Engine
9B900 Series Engine
9C900 Series Engine
9D900 Series Engine
9E900 Series Engine
9F900 Series Engine
9G900 Series Engine
9H900 Series Engine
9J900 Series Engine

9K900 Series Engine
9L900 Series Engine
9M900 Series Engine
9S500 Series Engine
9T500 Series Engine
9T700 Series Engine
9T800 Series Engine
10E900 Series Engine
10F900 Series Engine
92500 Series Engine
92900 Series Engine

Toro

Expand the 150+ compatible machines

Products Compatibility

This item works with the following types of products:

• Engine
• Lawn Mower

Questions & Answers

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Repair Instructions: Submitted by Customers Like You

Tool Type:

Engine

Parts Used:

Rewind Starter Spring - 490179

Spacer-Rewind - 490817

Breather Assembly - 791781

Repair Difficulty:

Medium

Time Spent Repairing:

1-2 hours

Tools Used:

Screwdriver, Pliers, Socket set, twine, lighter, scotch tape, light lubricating oil, needle n

Starter string and rewind spring was missing on an engine restoration

1. Removed engine cowling,
2. Opened or unbend starter tangs
3. Removed starter pulley
4. Unwound new starter spring,
5. Installed each end of the spring to its hole and wound on the starter pulley
6. Using twine tied the wound starter spring in place in three separate areas with the knots on the bottom side of the pulley (or engine side) with the end of the spring out that attaches to the cowling.
7. Sprayed a small amount of oil on the wound spring and with a twist put that protruding part of the spring in the slot for the cowling and placed the wound spring and pulley in the cowling
8 While holding down the assembly re-bent the tangs that retain the starter assembly checked for free rotation of the pulley.
9 Cut the twine that holds the wound spring and pull the twine out.
10. Rewind the pulley to allow the starter string to be retracted and align the holes to feed the string through while holding with a small screwdriver.
11. Used scotch tape to wrap the end of the string that is going to be fed and melted the tape with the lighter.
12. Cut a portion of the string/melted tape only to leave about 1/8" on the string.
13 feed the string through both holes and tie a knot.
allow the string to be retracted into the cowling and check for free operation.
14. Oil starter spindle on flywheel with the small hole with 30w non detergent oil check for free operation.
15. Reinstall cowling/starter assembly and check for proper operation.

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A perfect match for the original part

The part arrived a day early, a perfect match. It took all of 5 minutes to install and the mower started on the third pull. Thanks for the great service. If I ever need mower parts again, your company will be my first call. Thanks again.

Guest - February 13, 2020 Verified Purchase

Verified Purchase

eReplacementParts Team