- Home Page /
- Automotive /
- Motorcycle Parts /
- Parts /
- Engine /
- Gaskets /
- Big Bore Gasket Kit for Yamaha YZ 250 (99-17)...
0 ratings
Item #:
131452853
Big Bore Gasket Kit for Yamaha YZ 250 (99-17) 21009-G01 | OEM replacement, for powersports vehicles, 72 mm Cylinder Diameter, 5.6mm Size Over
Item #:
131452853
SLE 2663
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:
Order now and get it around Tuesday, September 29
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
100% New aftermarket Big Bore Gasket Kit built to meet OEM specifications.
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
Enhanced Performance
The Cylinder Works Big Bore Gasket Kit optimizes the horsepower and torque of Yamaha YZ 250 models from 1999 to 2017, ensuring riders experience maximum engine efficiency on every ride.
Durable Construction
Engineered with high-quality materials, this gasket kit withstands extreme temperatures and pressures, providing reliable sealing and longevity for your Yamaha YZ 250, reducing the frequency of maintenance.
Easy Installation
Designed for a straightforward installation process, the Cylinder Works Big Bore Gasket Kit allows riders to enhance their YZ 250’s performance without extensive mechanical skills, making upgrades accessible for all enthusiasts.
Product Details
| Brand Name | Cylinder Works |
| UPC | 608603654738 |
| Manufacturer | Cylinder Works |
| Unit Count | 1 Count |
| Global Trade Identification Number | 00608603654738 |
| Number of Items | 1 |
| Included Components | Big Bore Gasket Kit |
| Item Weight | 8 ounces (226.8 grams) |
| Item Type Name | Big Bore Gasket Kit |
| Model | 21009-G01 |
| Part Number | 21009-G01 |
| Part Interchange Info | 21009-G01 |
| Color | Multicolor |
| Brand | Cylinder Works |
Who Should Buy?
-
Enthusiast Riders
Ideal for riders looking to enhance their bike's performance with increased cylinder capacity and power.
-
Racing Applications
Perfect for racers needing reliable, high-performance gaskets for competitive racing environments and conditions.
-
Engine Rebuilds
A great option for those rebuilding their YZ 250 engine, ensuring optimal fit and sealing for longevity.
-
Stock Bike Users
Not suitable for riders who prefer to maintain stock performance levels without modifications or enhancements.
Product Description
Big Bore Gasket Kit for Yamaha YZ 250 (99-17) 21009-G01 | OEM replacement, for powersports vehicles, 72 mm Cylinder Diameter, 5.6mm Size Over Standard, 4-Cycle Engine, 21009-G01
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Will this gasket kit fit my Yamaha YZ 250?
Answer: Yes, this kit is compatible with Yamaha YZ 250 models from 1999 to 2019. -
Question:
What is included in the gasket kit?
Answer: The kit includes a Head, Base, Exhaust, Intake Reed, and Power Valve Cover Gasket. -
Question:
Is this gasket kit new or used?
Answer: This is a 100% new aftermarket Big Bore Gasket Kit.
Cylinder Works Gaskets Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 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.
SLE 2663
Order now and get it around Tuesday, September 29
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:
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
- Big Bore Gasket Kit for optimal engine performance.
- Designed specifically for Yamaha YZ 250 (1999-2019) and YZ 250 X (2016-2019).
- Cylinder diameter of 72mm for improved efficiency.
- Includes all necessary gaskets: Head, Base, Exhaust, Intake Reed, & Power Valve Cover.
- Meets or exceeds OEM specifications for fit and performance.
- Enhance your ride's durability and reliability with premium quality.
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.