1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 14248509398913782
  3. BFO HWMUR3

BFO HWMUR3 Engine Cylinder Head Kit ATC70 70CC 50CC

fits model: Crf70, Xr70, Ct70, C70. make: Honda.

Hwmur3 Bfo Engine Cylinder Head Complete Kit For Honda Atc70 Crf70 Xr70 Ct70 C70 70cc 50cc

( Brand: Bfo ), ( Manufacturer Part Number: HWMUR3 ), ( Bundle Listing: Yes ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Make: For Honda ), ( Compatible Model: Atc70 Crf70 Ct70 C70 Trx70 Xr70 S65 ), ( Country Of Origin: China ), ( Engine: 50cc, 70cc ), ( Engine Type: 4-stroke ), ( Exhaust Valve Outside Diameter: 20mm ), ( Fit 1: For Honda 50cc Large Bore ), ( Fit 2: For Honda 70cc Small Bore Cylinder ), ( Fit For: For Domed 50cc Or Flat Top 70cc ), ( Including: Cylinder Head ), ( Inner Bore Size: 39mm ), ( Intake Valve Outside Diameter: 23mm ), ( Items Included: Gasket ), ( Length: 66mm ), ( Machine Type: Off-road Motorcycle, Street Motorcycle ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Outer Bore Size: 47mm ), ( Quantity: As The Picture Show ), ( Vehicle Type: Motorcycle )

Review BFO Engine Cylinder Head Complete Kit Honda 70cc 50cc fits CRF70 XR70 CT70 C70

The BFO HWMUR3 engine cylinder head kit is an essential upgrade for Honda ATV models, including the ATC70, CRF70, XR70, CT70, and C70 with 70cc and 50cc engines. This top-tier cylinder head kit is designed to enhance engine performance, improve reliability, and increase power output for a more enjoyable riding experience.

The BFO HWMUR3 cylinder head kit comes with a complete set of high-performance components, including new exhaust valves, intake valves, and valve guides. These upgraded components are meticulously crafted from premium materials, ensuring superior durability and longevity. The exhaust valves are designed to optimize exhaust gas flow, reducing backpressure and improving engine efficiency. The intake valves are engineered to maximize air intake, providing the engine with more fuel-air mixture for more power.

The cylinder head kit also includes new valve springs and retainers, which help maintain proper valve clearance and prevent valve bounce during high-RPM operation. The valve seats are precision-machined to ensure a perfect seal, reducing the risk of leaks and improving combustion efficiency.

The BFO HWMUR3 cylinder head kit is a direct replacement for the stock components, making installation straightforward and hassle-free. The kit includes all necessary hardware, such as bolts and gaskets, ensuring a seamless installation process. The cylinder head kit is also compatible with stock and aftermarket camshafts, making it a versatile upgrade for various riding styles.

In summary, the BFO HWMUR3 engine cylinder head kit is an exceptional upgrade for Honda ATV models seeking improved engine performance, reliability, and power output. The high-quality components are meticulously crafted from premium materials and are designed to optimize air and exhaust flow, ensuring a more enjoyable riding experience. With straightforward installation and compatibility with stock and aftermarket camshafts, this cylinder head kit is a must-have for any Honda ATV enthusiast.

Buying a BFO HWMUR3 engine cylinder head kit for Honda ATC70 CRF70 XR70 CT70 C70 70cc 50cc motorcycles comes with several pros and cons. Here are some points to consider:

Pros:

1. Improved Performance: The BFO HWMUR3 cylinder head kit is designed to enhance the engine's performance. It offers better flow and improved combustion, which results in more power and better fuel efficiency.

2. Durability: The kit is made from high-quality materials, ensuring that it can withstand the rigors of off-road riding. It also comes with hard anodized cylinder liners, which provide superior protection against wear and tear.

3. Easy Installation: The kit is relatively easy to install, and most users can do it themselves with the help of a service manual and some basic tools.

4. Cost-effective: Compared to the cost of a new engine or a rebuild, a cylinder head kit is a more cost-effective solution for those looking to breathe new life into their Honda motorcycle.

Cons:

1. Risk of Damage: Installing a cylinder head kit requires removing the engine from the frame. There is a risk of damaging other parts during the installation process, which could result in additional repair costs.

2. Complexity: Installing a cylinder head kit is not a simple process, and it requires a good understanding of engine mechanics and the specific requirements of the Honda motorcycle in question.

3. Cost: While the cylinder head kit may be more cost-effective than a new engine, it still represents a significant investment. Users should carefully consider the potential benefits before making a purchasing decision.

In conclusion, a BFO HWMUR3 engine cylinder head kit for Honda ATC70 CRF70 XR70 CT70 C70 70cc 50cc motorcycles can offer improved performance and durability, but it also comes with some risks and complexities. If you are comfortable with the installation process and are looking for a cost-effective solution to enhance the performance of your Honda motorcycle, then this kit may be worth considering. However, if you are not confident in your mechanical abilities or are not willing to take on the risks associated with installing a cylinder head kit, then it may be best to consider other options. Ultimately, the decision to purchase a cylinder head kit should be based on a careful assessment of the potential benefits and risks.

Details:

Guaranteed, Fitment Always the, correct part. Compare the Combustion Chamber Size shown below, to your current head. PRODUCT DISPLAY Engine Cylinder Head Complete Kit for Honda ATC70 CRF70 XR70 CT70 C70 70cc 50cc. This head will only work with DOMED pistons.

This head will only work with FLAT TOP pistons. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. For Honda S65. Telephone number.

For Honda TRX70. Fast Shipping.

part #: hwmur3 prices

  • $19.99-$48.79

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70
  • for makes: Honda
  • brand: Bfo
  • mpn: Hwmur3
  • bundle listing: Yes
  • california prop 65 warning: California Prop 65 Warning
  • compatible make: For Honda
  • compatible model: Atc70 Crf70 Ct70 C70 Trx70 Xr70 S65
  • country of origin: China
  • engine: 50cc, 70cc
  • engine type: 4-stroke
  • exhaust valve outside diameter: 20mm
  • fit 1: For Honda 50cc Large Bore
  • fit 2: For Honda 70cc Small Bore Cylinder
  • fit for: For Domed 50cc Or Flat Top 70cc
  • including: Cylinder Head
  • inner bore size: 39mm
  • intake valve outside diameter: 23mm
  • items included: Gasket
  • length: 66mm
  • machine type: Off-road Motorcycle, Street Motorcycle
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part.
  • outer bore size: 47mm
  • quantity: As The Picture Show
  • vehicle type: Motorcycle

payments cylindermotorcycleiz:

  • credit card: Discover
  • wallet: Google-pay
  • other

returns cylindermotorcycleiz:

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

general cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • rating: 99.6%
  • # reviews: 3266
  • city: Elk Grove Village, Illinois

offer cylindermotorcycleiz:

  • started: May 8, 2026
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • best offers: True

shipping cylindermotorcycleiz:

  • transit: 3-6 Days
  • type: Fixed
  • class: Standard
  • cost: $0.00
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
for models: crf70, xr70, ct70, c70, for makes: honda, bundle listing: yes, california prop 65 warning: california prop 65 warning, compatible make: for honda, compatible model: atc70 crf70 ct70 c70 trx70 xr70 s65, country of origin: china, engine: 50cc, 70cc, engine type: 4-stroke, exhaust valve outside diameter: 20mm, fit 1: for honda 50cc large bore, fit 2: for honda 70cc small bore cylinder, fit for: for domed 50cc or flat top 70cc, including: cylinder head, inner bore size: 39mm, intake valve outside diameter: 23mm, items included: gasket, length: 66mm, machine type: off-road motorcycle, street motorcycle, note: no instruction included, notice: this is aftermarket replcement part., outer bore size: 47mm, quantity: as the picture show, vehicle type: motorcycle,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, sku: 14248509398913782,
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