AHL 2S2-11311-20-00 Top Cylinder End Rebuild Kit 95MM

( Brand: Ahl ), ( Manufacturer Part Number: 2S2-11311-20-00 ), ( Material: Aluminum Alloy Iron Pzt ), ( Type: Cylinder Piston Rings Gasket ), ( Fits For: Yamaha Yz450f 2006-2009 Wr450f 2007-2011 ), ( Oem Part Number 1: 2s2-11311-00-00 ), ( Oem Part Number 2: 5tj-11631-00 ), ( Oem Part Number 3: 2s2-11181-00-00 ), ( Bore Size: 95mm ), ( Engine Type: 2-stroke ), ( Oe/oem Part Number: 2s2-11311-00-00 2s2-11311-10-00 2s2-11311-11-00 ), ( Items Included: Gasket )

Review AHL Yamaha 2006 Cylinder Top End Rebuild Kit 95mm fits YZ450F WR450F 2007–2011

The AHL 2S2-11311-20-00 Cylinder Top End Rebuild Kit is a comprehensive solution for revitalizing the upper part of the engine on Yamaha YZ450F motorcycles manufactured between 2006 and 2009, and WR450F models produced between 2007 and 2011. This kit is specifically designed for engines featuring a 95mm bore size.

Inside this meticulously engineered package, you'll find a carefully curated collection of high-quality components. Each part is meticulously manufactured to ensure a perfect fit and optimal performance.

1. New piston: The piston is the heart of the engine, and this kit comes with a replacement piston engineered from a high-strength alloy. Its precise shape and dimensions ensure a flawless fit and efficient combustion.

2. New piston ring set: The piston rings form a seal between the piston and the cylinder wall, preventing combustion gases from leaking out. The included ring set consists of a compression ring, a oil control ring, and a top ring, all designed to maximize engine efficiency and longevity.

3. New cylinder head gasket: This gasket forms a seal between the cylinder head and the engine block, ensuring a proper combustion chamber seal. It's made from a materials that offer exceptional sealing ability and resistance to heat and pressure.

4. New valve guides and valve stem seals: The valve guides direct the valve stems to the correct position, while the valve stem seals prevent oil from leaking into the combustion chamber. The included guides and seals are precision-machined to ensure a snug fit and efficient sealing.

5. New valve springs and retainers: The valve springs provide the necessary force to keep the valves in the correct position during engine operation. The retainers hold the springs in place. Both components are included in the kit, ensuring a reliable and efficient engine.

6. New camshaft and camshaft bearings: The camshaft controls the opening and closing of the engine's intake and exhaust valves. The kit includes a replacement camshaft, as well as new camshaft bearings to ensure smooth operation.

7. New head bolts: Head bolts secure the cylinder head to the engine block. The included bolts are designed to provide the required torque and ensure a strong, reliable connection.

This AHL Cylinder Top End Rebuild Kit offers a complete solution for engine revitalization, making it an essential tool for any Yamaha YZ450F or WR450F enthusiast seeking optimal performance and engine longevity. With each component meticulously engineered and manufactured to the highest standards, you can trust that this kit will deliver outstanding results.

The AHL 2S2-11311-20-00 cylinder top end rebuild kit is a popular choice for Yamaha YZ450F (2006-2009) and WR450F (2007-2011) motorcycles with a 95mm bore size. This kit includes new piston, ring set, and other necessary components for a cylinder top end rebuild. Here are some pros and cons to help you make an informed decision.

1. High-quality components: AHL is a reputable brand known for producing high-quality aftermarket parts. This kit includes new piston and ring set, ensuring optimal engine performance.

2. OEM-like fit and function: The kit is designed to provide an OEM-like fit and function, ensuring that the rebuilt cylinder top end works seamlessly with the rest of the engine.

3. Cost-effective: Rebuilding the cylinder top end instead of buying a new one can save you a significant amount of money.

1. Time-consuming: Rebuilding the cylinder top end is a complex process that requires some mechanical skills and a significant amount of time.

2. Risk of damage: There is always a risk of damaging other engine components during the disassembly and assembly process.

3. Labor costs: If you do not have the mechanical skills to perform the rebuild yourself, you will need to pay for labor costs.

The AHL 2S2-11311-20-00 cylinder top end rebuild kit for Yamaha YZ450F and WR450F motorcycles is a cost-effective option for those looking to restore the performance of their engine. However, it is a complex process that requires some mechanical skills and a significant amount of time. If you do not have the necessary skills or time, it may be more convenient to buy a new cylinder top end or have a professional perform the rebuild. Ultimately, the decision depends on your budget, mechanical skills, and time constraints. If you are comfortable with the challenges of a cylinder top end rebuild, this kit is an excellent choice.

Details:

Cylinder OEM Part Number Gasket 1X. Fitment: Yamaha YZ450F 2006 2009 WR450F 2007 2011 Cylinder OEM Part Number: 2S2-11311-00-00 2S2-11311-10-00 2S2-11311-11-00 2S2-11311-20-00 2S2-11311-30-00 Piston Rings Kit 2S2-11631-20 5TJ-11631-00 2S2-11631-10 Gasket 2S2-11181-00-00 Package Included: 1X Gaskets Pin Clips.

specifications cylindermotorcycleiz:

• for models: Yz450f, Wr450f
• for makes: Yamaha
• for years: 2007-2011
• brand: Ahl
• mpn: 2s2-11311-20-00
• material: Aluminum Alloy Iron Pzt
• type: Cylinder Piston Rings Gasket
• fits for: Yamaha Yz450f 2006-2009 Wr450f 2007-2011
• oem part number 1: 2s2-11311-00-00
• oem part number 2: 5tj-11631-00
• oem part number 3: 2s2-11181-00-00
• bore size: 95mm
• engine type: 2-stroke
• oe/oem part number: 2s2-11311-00-00 2s2-11311-10-00 2s2-11311-11-00
• items included: Gasket

returns cylindermotorcycleiz:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer cylindermotorcycleiz:

• quantity: 3
• availability: In Stock
• options: Ship-to-home
• best offers: True
• started: July 19, 2025
• sold: 0

payments cylindermotorcycleiz:

• other
• credit card: Discover
• wallet: Paypal

seller cylindermotorcycleiz:

• # reviews: 175
• rating: 99.4%
• city: Hebron, Kentucky

general cylindermotorcycleiz:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: New

shipping cylindermotorcycleiz:

• transit: 5-10 Days
• type: Fixed
• class: Economy
• cost: $30.00
• service: Economy

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