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Item #:
131452853
Cylinder Works Big Bore Gasket Kit for Yamaha YZ 250 (99-17) 21009-G01
Item #:
131452853
ZMW 2610
Price Details
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Imported from USA store
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Order now and get it around Monday, August 10
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100% New aftermarket Big Bore Gasket Kit built to meet OEM specifications.
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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 | 1.0 Count |
| Global Trade Identification Number | 00608603654738 |
| Model | 21009-G01 |
| Part Number | 21009-G01 |
| Included Components | Big Bore Gasket Kit |
| Item Type Name | Big Bore Gasket Kit |
| Item Weight | 8 ounces (226.8 grams) |
| Part Interchange Info | 21009-G01 |
| Color | Multicolor |
| Brand | Cylinder Works |
Who Should Buy?
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Enthusiast Riders
Ideal for riders looking to enhance their bike's performance with increased cylinder capacity and power.
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Racing Applications
Perfect for racers needing reliable, high-performance gaskets for competitive racing environments and conditions.
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Engine Rebuilds
A great option for those rebuilding their YZ 250 engine, ensuring optimal fit and sealing for longevity.
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Stock Bike Users
Not suitable for riders who prefer to maintain stock performance levels without modifications or enhancements.
Product Description
Cylinder Works Big Bore Gasket Kit for Yamaha YZ 250 (99-17) 21009-G01
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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
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23 July 2026 · via Trustpilot
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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.
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