1. USED Engine Parts Deals
  2. sku: 12451328553652722
  3. BFO XCPL7R

BFO XCPL7R Top Cylinder Piston Gasket Head End Kit 50CC

fits make: Yamaha. year: 1981–2018.

Xcpl7r Bfo 50cc Cylinder Piston Gasket Head Top End Kit For Yamaha Pw50 1981-2018

( Brand: Bfo ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Year: 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981 ), ( Custom Bundle: Yes ), ( Fit For: For Yamaha Pw50 1981-2009 ), ( Fits 2: For Yamaha Qt50 1979-1987 ), ( Manufacturer Part Number: XCPL7R ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: 4j2-11111-00-00, 517-11181-01-00, 4j2-11311-00-00, 4j2-11311-01-00 ), ( Parts Included 1 : Cylinder, Cylinder Head, Piston, Piston Rings, Wristpin ), ( Parts Included 2 : Needle Bearing ), ( Circlips: 2, Head Gasket, Base Gasket ), ( Parts Included 3 : Cylinder Studs ), ( Cylinder Stud Nuts: 4, Spark Plug ), ( Placement On Vehicle: Left, Right ), ( Size: Bore And Stroke Of 40.00 Mm X 39.20 Mm ), ( Surface Finish: Brand New ), ( Type: Complete 50cc Big Bore Cylinder Kit. ), ( Vehicle Type: Motorcycle )

Review BFO 50cc Cylinder Piston Gasket Head Top End Kit Yamaha fits PW50 1981–2018

The BFO XCPL7R 50cc Cylinder Piston Gasket Head Top End Kit is specifically designed for Yamaha PW50 models produced between 1981 and 2018. This top end gasket kit is an essential replacement part for maintaining the optimal performance and longevity of your engine.

This kit includes all the necessary gaskets required for the cylinder, piston, and head assembly of your Yamaha PW50 engine. Each gasket is meticulously crafted from high-quality materials, ensuring a perfect seal and preventing any potential leakages.

The gaskets in this kit are designed to fit seamlessly into the existing engine components, making the installation process straightforward and hassle-free. The kit comes with detailed instructions to guide you through the replacement process, ensuring that even the most novice of mechanics can complete the task with confidence.

By using the BFO XCPL7R 50cc Cylinder Piston Gasket Head Top End Kit, you can restore the sealing integrity of your engine, reducing the risk of coolant or oil leaks and ensuring that your engine runs efficiently. This kit is an investment in the long-term health and performance of your Yamaha PW50, and is an excellent choice for anyone seeking to keep their engine in top condition.

In summary, the BFO XCPL7R 50cc Cylinder Piston Gasket Head Top End Kit is a must-have replacement part for Yamaha PW50 models from 1981 to 2018. This kit includes all the necessary gaskets for the cylinder, piston, and head assembly, ensuring a perfect seal and preventing any potential leakages. With easy installation and high-quality materials, this kit is an investment in the long-term health and performance of your engine.

Top End Kit for Yamaha PW50 (BFO XCPL7R): A Detailed Analysis

The BFO XCPL7R top end kit for Yamaha PW50 is a popular aftermarket solution designed to enhance the performance and durability of the engine. This analysis aims to provide you with a clear understanding of its advantages and disadvantages.

Pros:

1. Enhanced Performance: The BFO XCPL7R top end kit includes high-performance piston, ring set, and cylinder head gasket. These upgrades can lead to increased horsepower, better fuel efficiency, and smoother engine operation.

2. Durability: The high-quality materials used in the manufacturing process ensure better longevity and resistance to engine wear and tear. This can save you from frequent engine rebuilds and maintenance costs.

3. Easy Installation: The kit comes with all necessary components, making it a convenient and hassle-free option for DIY enthusiasts. The step-by-step instructions provided simplify the installation process.

Cons:

1. Cost: The BFO XCPL7R top end kit is a premium investment, especially for a 50cc engine. The cost may be a significant deterrent for some buyers.

2. Potential Power Increase: While the power increase may be desirable for some, it might not be suitable for all applications, particularly for those who prioritize low-speed torque and ease of use.

3. Break-in Period: A new top end kit requires a proper break-in period to ensure optimal performance and longevity. This may involve careful riding and adherence to specific guidelines.

Conclusion:

The BFO XCPL7R top end kit for Yamaha PW50 offers several benefits, including enhanced performance, durability, and ease of installation. However, its premium cost and potential power increase might not be suitable for all users. Careful consideration of your specific needs and priorities is essential before making a purchase.

Recommendation:

If you are looking for improved engine performance, durability, and are willing to invest in a high-quality top end kit, the BFO XCPL7R is an excellent choice. However, if you prioritize affordability or a lower-power output, it might be worth considering other options or waiting for a sale or discount on this particular kit.

specifications atvsienna:

  • for makes: Yamaha
  • for years: 1981-2018
  • brand: Bfo
  • california prop 65 warning: California Prop 65 Warning
  • compatible year: 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981
  • custom bundle: Yes
  • fit for: For Yamaha Pw50 1981-2009
  • fits 2: For Yamaha Qt50 1979-1987
  • manufacturer part number: XCPL7R
  • manufacturer warranty: 2 Years
  • material: Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • oe/oem part number: 4j2-11111-00-00, 517-11181-01-00, 4j2-11311-00-00, 4j2-11311-01-00
  • parts included 1 : Cylinder, Cylinder Head, Piston, Piston Rings, Wristpin
  • parts included 2 : Needle Bearing
  • circlips: 2, Head Gasket, Base Gasket
  • parts included 3 : Cylinder Studs
  • cylinder stud nuts: 4, Spark Plug
  • placement on vehicle: Left, Right
  • size: Bore And Stroke Of 40.00 Mm X 39.20 Mm
  • surface finish: Brand New
  • type: Complete 50cc Big Bore Cylinder Kit.
  • vehicle type: Motorcycle

returns atvsienna:

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

offer atvsienna:

  • options: Ship-to-home
  • availability: In Stock
  • started: March 14, 2026
  • quantity: 1
  • sold: 0

general atvsienna:

  • ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
  • condition: New

shipping atvsienna:

  • class: Standard
  • type: Fixed
  • transit: 4-7 Days
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • cost: $0.00

payments atvsienna:

  • wallet: Apple-pay
  • credit card: Visa
  • other

seller atvsienna:

  • # reviews: 22336
  • rating: 99.4%
for makes: yamaha, for years: 1981-2018, california prop 65 warning: california prop 65 warning, compatible year: 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981, custom bundle: yes, fit for: for yamaha pw50 1981-2009, fits 2: for yamaha qt50 1979-1987, manufacturer warranty: 2 years, note: no instruction included, notice: this is aftermarket replcement part, oe/oem part number: 4j2-11111-00-00, 517-11181-01-00, 4j2-11311-00-00, 4j2-11311-01-00, parts included 1: cylinder, cylinder head, piston, piston rings, wristpin, parts included 2: needle bearing, circlips: 2, head gasket, base gasket, parts included 3: cylinder studs, cylinder stud nuts: 4, spark plug, placement on vehicle: left, right, size: bore and stroke of 40.00 mm x 39.20 mm, surface finish: brand new, type: complete 50cc big bore cylinder kit., vehicle type: motorcycle,
category: atv parts > atv, side-by-side utv parts accessories > engines engine parts > engine parts, material: steel, sku: 12451328553652722,

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