Medium
More than 2 hours
Clip- Piston Pin - 13mm 90551-ZE0-000
OEM part for: Honda, Toro, Lawn Boy
Part Number: 90551-ZE0-000
$4.99
In Stock
Ships within 1 business day 
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Compatibility
This Clip- Piston Pin - 13mm will fit the following 1031 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Honda
Toro
Lawn Boy
Show More Compatible ModelsThis item works with the following types of products:
- Engine Parts
- Lawn Mower Parts
- Snowblower Parts
- Generator Parts
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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.
Engine smokes
Bill - September 14, 2022
Tool Type
Engine
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, Torque wrench, gasket scraper
Disassembled the GX100 engine; made a list of needed parts. Shopped different sites to get the best prices on parts. Received all parts, then began the work: cleaned parts and gasket surfaces; replaced the oil seal on the case half which was reused; installed new valves & springs; assembled the connecting rod to the piston, then installed the new piston rings; carefully slid the piston into the cylinder; installed the crankshaft & attached the connecting rod to the crankshaft; slipped new timing belt around crank gear & up through to the top of the cylinder head; installed cam gear ensuring the timing was correct; applied gasket sealer to the case halves & carefully slid them together; installed case bolts. Finished building the engine, then installed it into the jumping jack.
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Knocking noise and stuck exhuast valve on Honda GCV 160 engine
Gary - February 4, 2016
Tool Type
Lawn Mower
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
Engine would not start, found stuck exhaust valve and broken rocker arm. Was then able to start engine, but then had knocking noise. Tore down engine and found play in connecting rod assembly where it connected to crankshaft. Replaced connecting rod assembly, new rings, honed out cylinder and replaced rocker arm. Cleaned all parts.
After reassembly, did not have any compression, found adjustment out on the rocker arms, was keeping exhaust valve open a little, not allowing compression to build up. Adjusted, then after two or three pulls, engine started.
With the timing belt, it is important to make sure that is reassembled correctly to have valves timed properly. Found a video on youtube that explained how to do that.
After reassembly, did not have any compression, found adjustment out on the rocker arms, was keeping exhaust valve open a little, not allowing compression to build up. Adjusted, then after two or three pulls, engine started.
With the timing belt, it is important to make sure that is reassembled correctly to have valves timed properly. Found a video on youtube that explained how to do that.
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Thanks for voting and helping fellow customers!
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
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.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
