1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13824966377929771
  3. BFO M8F1NS

BFO M8F1NS Cylinder Head Kit 70CC 50CC

fits model: Crf70, Xr70, Ct70, C70, Trx70, Xr70r. make: Honda.

M8f1ns Bfo Cylinder Head Complete Kit For Honda Crf70 Xr70 Ct70 C70 Trx70 Xr70r 70cc 50cc

( Brand: Bfo ), ( Manufacturer Part Number: M8F1NS ), ( Bundle Listing: Yes ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Make: For Honda ), ( Compatible Model: Atc70 Crf70 Ct70 C70 Trx70 Xr70 S65 ), ( 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 Cylinder Head Complete Kit Honda 70cc 50cc fits CRF70 XR70 CT70 C70 TRX70 XR70R

Introducing the BFO M8F1NS Cylinder Head Kit, a high-performance upgrade for your Honda CRF70, XR70, CT70, C70, TRX70, and XR70R. This cylinder head kit is specifically designed for 70cc and 50cc engines, offering improved power and torque for a more thrilling riding experience.

The M8F1NS Cylinder Head Kit features a number of performance-enhancing modifications. The cylinder head itself is made from a high-strength aluminum alloy, ensuring superior heat dissipation and reduced weight. The kit includes new, high-performance intake and exhaust ports, which provide improved gas flow for a more efficient combustion process. This results in increased power output and improved engine responsiveness.

The kit also includes new, high-compression pistons and rings, which provide greater compression ratio and improved combustion efficiency. Additionally, the kit includes new, high-performance valves and valve springs, which offer improved valve control and reduced valve float at high RPMs. This leads to improved engine performance and reliability.

The M8F1NS Cylinder Head Kit is also designed to be easy to install, with all necessary hardware included in the kit. The kit comes with step-by-step installation instructions, making it a great choice for DIY enthusiasts or professional mechanics alike.

In summary, the BFO M8F1NS Cylinder Head Kit is a high-performance upgrade for your Honda CRF70, XR70, CT70, C70, TRX70, and XR70R. With improved power and torque, high-strength materials, and easy installation, this kit is a must-have for any serious off-road enthusiast looking to take their bike to the next level.

Buying a BFO M8F1NS cylinder head kit for Honda CRF70, XR70, CT70, C70, TRX70, XR70r, and 70cc/50cc models comes with several pros and cons. Let's examine each of them to help you make an informed decision.

Pros:

1. Improved Performance: The BFO M8F1NS cylinder head kit is designed to enhance the engine's performance by increasing the power output and improving the overall efficiency.

2. Enhanced Cooling: The new cylinder head design comes with improved cooling capabilities, which can help prevent engine overheating and reduce the risk of damage.

3. Durability: The kit is made from high-quality materials, ensuring that it can withstand the rigors of off-road riding and provide long-lasting performance.

4. Easy Installation: The cylinder head kit comes with clear instructions and all the necessary hardware for installation, making it a relatively straightforward process.

Cons:

1. Cost: The BFO M8F1NS cylinder head kit is a premium product, and the cost may be a deterrent for some buyers.

2. Potential Compatibility Issues: While the kit is designed to fit various Honda models, there may be some compatibility issues with specific models or years. It's essential to double-check the compatibility before making a purchase.

3. Risk of Damage During Installation: Installing a cylinder head kit requires a high level of precision and skill. If not installed correctly, it could result in damage to the engine or other components.

Conclusion:

The BFO M8F1NS cylinder head kit offers several benefits, including improved performance, enhanced cooling, and durability. However, it comes with a cost, and there may be some compatibility and installation risks to consider. If you're an avid off-road rider looking to enhance your engine's performance and durability, this kit could be a worthwhile investment. However, if cost is a significant concern, or if you're not comfortable with the installation process, it may be worth considering other options. Ultimately, the decision is yours, and it's essential to weigh the pros and cons carefully before making a purchase.

Details:

For Honda ATC70 1978-1985. This head will only work with DOMED pistons. This head will only work with FLAT TOP pistons. Compare the Combustion Chamber Size shown below, to your current head.

Fast Shipping. Best Costumer Service. >>you might also like. For Honda S65.

Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. offers a minimum one year, unlimited mileage warranty on most of parts sold, some are otherwise noted longer manufacturer It begins from the date purchased. Factory Warranty.

For Honda TRX70.

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70, Trx70, Xr70r
  • for makes: Honda
  • brand: Bfo
  • mpn: M8f1ns
  • bundle listing: Yes
  • california prop 65 warning: California Prop 65 Warning
  • compatible make: For Honda
  • compatible model: Atc70 Crf70 Ct70 C70 Trx70 Xr70 S65
  • 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

shipping cylindermotorcycleiz:

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

general cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • city: Elk Grove Village, Illinois
  • # reviews: 2001 6
  • rating: 98.6%

returns cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • options: Ship-to-home
  • started: March 6, 2026
  • availability: In Stock
  • best offers: True
  • sold: 0
for models: crf70, xr70, ct70, c70, trx70, xr70r, 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, 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: 13824966377929771,
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