- Home Page /
- Patio, Lawn & Garden /
- Outdoor Power & Lawn Equipment /
- Replacement Parts & Accessories /
- Chainsaw Parts & Accessories /
- Accessories /
- Cylinder Piston Kit 44MM Bore Replacement for...
0 ratings
Item #:
152341981
Cylinder Piston Kit 44MM Bore Replacement for Stihl MS251 MS 251 Chainsaws 1143-020-1207 11430201207
Item #:
152341981
€ 51
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Only 18 items left in stock.
Order now and get it around Wednesday, September 02
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
This comprehensive replacement kit is designed specifically for the Stihl MS251 chainsaw, ensuring optimal performance and reliability.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Precision Fit
Engineered for a perfect fit in Stihl MS251 chainsaws, ensuring seamless performance and minimizing installation challenges for users.
Durable Construction
Crafted from high-quality materials, this piston kit offers enhanced durability, reducing wear and extending the operational life of the chainsaw.
Improved Performance
Designed to enhance engine efficiency and power output, this replacement kit addresses common performance issues, providing a smoother and more reliable cutting experience.
Product Details
| Model Number | 1143-020-1207 |
| Brand Name | YSMN |
| Manufacturer | YSMN |
| Number of Items | 1 |
| Manufacturer Part Number | Y3-808243-955848-NI |
| Power Source | gasoline-powered |
| Brand | YSMN |
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
-
DIY Chainsaw Enthusiasts
Ideal for users seeking to repair their Stihl MS251 chainsaws with reliable replacement parts for optimal performance.
-
Professional Arborists
Benefits professionals needing a dependable component to maintain the efficiency of their chainsaws in demanding environments.
-
Budget-Conscious Users
Perfect for individuals looking for cost-effective maintenance solutions without sacrificing quality in chainsaw components.
-
Unskilled Users
Not suitable for those lacking experience in chainsaw repairs, as installation may require specific technical skills.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the specifications of the Cylinder Piston Kit 44MM Bore?
Answer: The Cylinder Piston Kit features a 44MM bore size, specifically designed for Stihl MS251 and MS 251 chainsaws. The kit includes a high-quality piston, cylinder, and essential components for a complete engine overhaul. This part is made from durable materials that ensure reliability and longevity. With precise engineering, it provides optimal performance for your chainsaw, ensuring efficient cutting and reduced emissions. -
Question:
How do I install the Cylinder Piston Kit on my Stihl MS251 chainsaw?
Answer: Installation of the Cylinder Piston Kit requires some mechanical skill. First, disassemble your chainsaw until you reach the engine. Remove the old cylinder and piston, and ensure that all surfaces are clean. Next, install the new piston into the cylinder, and then mount the cylinder onto the crankcase. Ensure all gaskets are properly placed to prevent leaks. Once everything is secured, reassemble the chainsaw, and it's ready to use. Proper installation can significantly enhance your chainsaw's performance. -
Question:
Why should I replace the piston and cylinder in my chainsaw?
Answer: Replacing the piston and cylinder is crucial if your chainsaw shows signs of reduced power, increased oil consumption, or excessive smoke during operation. Over time, wear and tear can affect the engine’s efficiency and overall performance. By installing a new Cylinder Piston Kit, you restore your chainsaw's functionality, ensuring it performs at its peak. You may notice improved cutting speed and fuel efficiency, making it a cost-effective solution in the long run. -
Question:
Is this kit compatible with other Stihl chainsaw models?
Answer: This Cylinder Piston Kit is specifically designed for Stihl MS251 and MS 251 chainsaws. While some components might seem interchangeable with other models, it is not advisable to use it with different chainsaw brands or models without confirming compatibility to avoid potential damage or subpar performance. Always check the manufacturer’s guidelines or consult with a professional to ensure you are using the proper components for your specific chainsaw model. -
Question:
What maintenance should I perform after installing the Cylinder Piston Kit?
Answer: After installing the Cylinder Piston Kit, it’s important to maintain your chainsaw regularly. This includes checking the air filter, ensuring proper lubrication, and inspecting the spark plug for wear. Additionally, keep an eye on the fuel mixture; a proper 50:1 ratio of fuel to oil is crucial for optimal performance. These steps help prolong the life of your engine and ensure it runs smoothly. Keeping a maintenance log can also help you track performance over time. -
Question:
Can I use my chainsaw immediately after installation?
Answer: It is advisable to run your chainsaw briefly after installation to check for proper operation. During this initial run, observe for any unusual sounds or vibrations that might indicate improper assembly. Start with a light load and gradually increase usage. It’s also wise to monitor the temperature of the engine; overheating can signal problems. If everything seems normal, you can resume regular use, keeping in mind to throttle gently during your first few runs to ensure the new parts settle in correctly. -
Question:
How can I tell if my chainsaw needs a new cylinder and piston?
Answer: Indicators that your chainsaw needs a new cylinder and piston include difficulty starting, loss of power during cutting, and excessive noise or smoke. If you notice any leaking fuel or oil, this may suggest wear. Regularly checking the performance and condition of your chainsaw can help you catch these issues early. If you experience a noticeable drop in efficiency, it’s a clear sign that it’s time to consider a replacement to maintain optimal performance. -
Question:
What tools will I need to install the Cylinder Piston Kit?
Answer: To install the Cylinder Piston Kit, you will need various tools including a socket set for removing bolts, screwdrivers for minor adjustments, and possibly a torque wrench for ensuring screws are properly tightened. Additionally, having a soft mallet on hand can help seat components without causing damage. A clean workspace and organization of parts and tools can greatly improve the installation experience, making it smoother and more efficient. -
Question:
How does the quality of this kit affect performance?
Answer: The quality of the Cylinder Piston Kit is directly linked to the overall performance and longevity of your chainsaw. High-quality kits are designed with precise tolerances for optimal fit, reducing the likelihood of engine wear and ensuring better fuel efficiency. Investing in a reputable kit not only enhances cutting performance but also minimizes the risk of future repairs. You'll benefit from smoother operation and extended service intervals, which are essential for heavy usage. -
Question:
Where can I buy Cylinder Piston Kit 44MM Bore Replacement for Stihl MS251 MS 251 Chainsaws 1143-020-1207 11430201207?
Answer: You can buy the Cylinder Piston Kit 44MM Bore Replacement at Ubuy, which offers a wide selection of quality replacement parts. Ubuy provides easy access to this specific kit, making it convenient for you to restore your chainsaw's functionality. By choosing Ubuy, you can be confident in receiving authentic products that meet your replacement needs.
YSMN Accessories 1143-020-1207 Editorial Review
No editorial reviews found
Customer Reviews & Ratings
11 customers ratings
-
5 Star
54%
-
4 Star
20%
-
3 Star
13%
-
2 Star
0%
-
1 Star
13%
Review this product
Share your thoughts with other customers
Pros
- Easy to install
- High-quality materials
- Improves chainsaw performance
- Durable and long-lasting
Cons
- May require some adjustment.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
€ 51
Order now and get it around Wednesday, September 02
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 18 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Designed for Stihl MS251 chainsaw compatibility.
- Includes all essential components: cylinder, piston, spark plug, and filters.
- Replaces multiple parts numbers for versatile compatibility.
- Cylinder bore diameter of 44mm for accurate fit.
- Ensures optimal performance and reliability.
- Check compatibility with provided pictures and part numbers before purchasing.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.