1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12015424915799652
  3. BFO CLU2OV

BFO CLU2OV Cylinder Head Set Performance 70CC 50CC

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

Clu2ov Bfo Cylinder Head Complete Set For Honda Crf70 Xr70 Ct70 C70 70cc 50cc Performance

( Brand: Bfo ), ( Manufacturer Part Number: CLU2OV ), ( 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 Set Honda 70cc 50cc Performance fits CRF70 XR70 CT70 C70

BFO CLU2OV Cylinder Head Set for Honda CRF70, XR70, CT70, C70 70cc & 50cc Performance

The BFO CLU2OV Cylinder Head Set is an exceptional upgrade designed specifically for Honda CRF70, XR70, CT70, C70 models with 70cc and 50cc engines. This performance cylinder head set is engineered to deliver enhanced power, increased efficiency, and improved durability to your machine.

The heart of this cylinder head set is the CLU2OV cylinder head. The Overhead Valve (OHV) design ensures optimal combustion efficiency and power output. It features large 27mm intake and 24mm exhaust valves that allow for improved air and fuel flow. The valves are made of high-strength, heat-resistant material, ensuring they can withstand the rigors of off-road riding.

The cylinder head also boasts CNC-machined ports that provide precise and consistent fuel delivery to the engine. The ports have been designed to optimize flow for the specific engine characteristics of the Honda CRF70, XR70, CT70, and C70 models.

Another key component of this cylinder head set is the high-performance piston and connecting rod. The piston is made of a forged aluminum alloy that provides excellent strength and durability. The piston crown is designed to match the contours of the CLU2OV cylinder head, ensuring optimal combustion and power output. The connecting rod is made of high-strength steel, ensuring it can handle the increased power output of the engine.

The BFO CLU2OV Cylinder Head Set also includes a high-performance camshaft. The camshaft has been designed to provide optimal lift and duration for the specific engine characteristics of the Honda CRF70, XR70, CT70, and C70 models. This results in improved power output and increased efficiency.

The cylinder head set also includes new cylinder liners and head gaskets. The cylinder liners are made of a high-performance material that provides excellent wear resistance and ensures a good seal with the engine block. The head gaskets are made of a high-temperature material that can withstand the increased cylinder pressures produced by the high-performance components in this cylinder head set.

In conclusion, the BFO CLU2OV Cylinder Head Set is an excellent upgrade for Honda CRF70, XR70, CT70, and C70 models with 70cc and 50cc engines. It delivers improved power output, increased efficiency, and enhanced durability. The high-performance components, including the CLU2OV cylinder head, high-performance piston and connecting rod, and high-performance camshaft, are designed to optimize engine performance for these specific models. With this cylinder head set, riders can expect to see improved power and torque, as well as improved engine response and throttle sensitivity.

The BFO (Bills Freestone Offroad) CLU2OV cylinder head set is a popular aftermarket upgrade for Honda CRF70, XR70, CT70, C70, and 70cc/50cc machines. This upgrade is known for enhancing performance by improving the engine's breathability and power output. Here are some pros and cons to help you decide if this upgrade is right for you:

Pros:

1. Increased power: The CLU2OV cylinder head set allows for better engine breathing, which results in increased power and torque. This can make your Honda CRF70, XR70, CT70, C70, or 70cc/50cc bike faster and more responsive.

2. Improved engine performance: The cylinder head set includes new intake and exhaust ports, as well as a high-performance piston and rings. These upgrades can lead to smoother engine operation, better fuel efficiency, and reduced engine heat.

3. Enhanced durability: The CLU2OV cylinder head set is made from high-quality materials and is designed to withstand the rigors of off-road riding. This can save you money in the long run by reducing the need for frequent repairs.

4. Better throttle response: The improved engine performance and breathing can also lead to better throttle response, making your bike more fun to ride.

Cons:

1. Cost: The BFO CLU2OV cylinder head set is not a cheap upgrade. It can be quite expensive, especially when compared to the cost of a stock cylinder head.

2. Installation: Installing the CLU2OV cylinder head set can be a complex and time-consuming process. It requires specialized tools and knowledge, so it may be best to have it installed by a professional.

3. Riding style: This upgrade may not be suitable for all riding styles or riders. If you primarily ride on smooth trails or in slow technical terrain, the increased power and throttle response may not be necessary or desirable.

4. Noise level: The improved engine performance can also lead to an increase in noise level. This may not be an issue for off-road riding, but it could be a concern if you ride in areas where noise levels are regulated.

Conclusion:

The BFO CLU2OV cylinder head set is an excellent upgrade for riders who want to maximize the performance of their Honda CRF70, XR70, CT70, C70, or 70cc/50cc bike. It offers increased power, improved engine performance, and enhanced durability, but it comes with a high cost and a complex installation process. Ultimately, whether or not this upgrade is right for you depends on your budget, riding style, and personal preferences.

Recommendation:

If you are looking for a significant performance upgrade for your Honda CRF70, XR70, CT70, C70, or 70cc/50cc bike and have the budget for it, the BFO CLU2OV cylinder head set is a worthwhile investment. However, if you are on a tight budget or have limited riding experience, it may be best to start with other, less expensive upgrades and gradually work your way up to this level of performance enhancement. Regardless of your decision, always make sure to follow proper installation procedures and safety guidelines to ensure the best possible experience on your bike.

Details:

For Honda TRX70. Compare the Combustion Chamber Size shown below, to your current head. Suspension Masters US. For Honda S65.

This head will only work with DOMED pistons. This head will only work with FLAT TOP pistons. Best Costumer Service. Guaranteed Fitment Always the correct part.

Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. Factory Warranty. All messages. For Honda ATC70 1978-1985.

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70
  • for makes: Honda
  • brand: Bfo
  • mpn: Clu2ov
  • 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:

  • class: Standard
  • type: Fixed
  • transit: 3-9 Days
  • service: FedEx Ground or FedEx Home Delivery
  • cost: $0.00
  • carrier: FedEx

payments cylindermotorcycleiz:

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general cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • sold: 0
  • options: Ship-to-home
  • quantity: 10
  • availability: In Stock
  • started: June 30, 2025

seller cylindermotorcycleiz:

  • # reviews: 11861
  • rating: 99.4%
  • city: Rowland height, California
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, 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: 12015424915799652,
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