Easy
15-30 minutes
It is a genuine OEM supplied replacement part that is specially designed for Briggs and Stratton engines that are commonly installed on Toro lawn and garden equipment. This is the timing gear for the crankshaft, its purpose is to help synchronize the rotation of the crankshaft and the camshafts so that the engine's valves open and close at the proper times during each cylinder's intake and exhaust strokes. Please note this durable metal timing gear is sold individually.
Gear-timing 797521
OEM part for: Briggs & Stratton Engines, Toro
Part Number: 797521
$17.26
In Stock
Ships within 1 business day 
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Compatibility
This Gear-timing will fit the following 10777 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
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This is the official OEM part for the following brands:
- Briggs & Stratton Engines
- Toro
This item works with the following types of products:
- Engine
- Lawn Mower
This part replaces obsolete part #: 795755
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Better than original
Steel instead of plastic, that's more like it
Guest -
June 12, 2019
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
The motor lost compression.
John - July 28, 2016
👍 1 of 3 people found this instruction helpful
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set
Open the cylinder head and remove the timing gear. Reinstalled in reverse order and swapped the gaskets.
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
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