BFO 1B3QRH Cylinder Head ATC70 70CC 72CM3

( Brand: Bfo ), ( Manufacturer Part Number: 1B3QRH ), ( 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 New Cylinder Head Honda 70cc fits CRF70 XR70 CT70 C70 TRX70 S65

Introducing the BFO 1B3QRH Cylinder Head, an exceptional upgrade for your Honda CRF70, XR70, CT70, C70, ATC70, TRX70, S65, 70cc, or 72cm3 engine. This cylinder head is meticulously crafted to deliver optimal engine performance and reliability, ensuring your off-road adventure is unhindered by mechanical issues.

The BFO 1B3QRH Cylinder Head boasts a high-performance design with enhanced cooling capabilities. The engine cooling system is crucial for maintaining the optimal operating temperature of the engine, especially during prolonged usage or in demanding conditions. The upgraded cooling system of this cylinder head allows for more efficient heat dissipation, reducing the risk of overheating and prolonging the lifespan of the engine.

The combustion chamber of this cylinder head is designed with a high compression ratio, allowing for increased power output and improved efficiency. The new design enhances the fuel-air mixture, enabling a more complete combustion process. The result is a more responsive engine with improved torque and horsepower, translating to better performance on the trail.

The BFO 1B3QRH Cylinder Head is also equipped with a new, more durable material for the exhaust valves and seats. This material is designed to reduce the risk of valve seizure and ensure a tight seal, minimizing the risk of exhaust leakage. The improved design of the valves and seats also allows for smoother operation, reducing engine noise and vibration.

The OEM-style design of the BFO 1B3QRH Cylinder Head ensures a seamless installation process, making it a popular choice among Honda CRF70, XR70, CT70, C70, ATC70, TRX70, S65, 70cc, and 72cm3 owners. The cylinder head is compatible with both stock and aftermarket intake systems, offering flexibility for those who have already made modifications to their engine.

In summary, the BFO 1B3QRH Cylinder Head is a high-performance upgrade for your Honda CRF70, XR70, CT70, C70, ATC70, TRX70, S65, 70cc, or 72cm3 engine. With its enhanced cooling capabilities, improved combustion chamber design, and durable exhaust valves and seats, this cylinder head is sure to provide optimal engine performance and reliability, allowing you to focus on the adventure ahead.

Buying a BFO 1B3QRH cylinder head for a Honda CRF70, XR70, CT70, C70, ATC70, TRX70, S65, 70cc, or 72cm3 engine comes with both advantages and disadvantages. Here's a detailed analysis:

1. Improved Performance: A new cylinder head can lead to improved engine performance, including increased horsepower and torque.

2. Enhanced Durability: A high-quality aftermarket cylinder head can provide better durability than the original equipment, enabling the engine to handle more use and abuse.

3. Better Compatibility: Aftermarket cylinder heads may offer better compatibility with aftermarket performance parts, allowing for further engine modifications.

1. Cost: The cost of an aftermarket cylinder head can be significantly higher than the cost of an OEM (original equipment manufacturer) part, which may be a deterrent for some buyers.

2. Installation Complexity: Installing an aftermarket cylinder head can be more complicated than installing an OEM part, requiring additional time and expertise.

3. Warranty: Using an aftermarket cylinder head may void the original engine warranty, which is an important consideration for some buyers.

The decision to buy a BFO 1B3QRH cylinder head for a Honda CRF70, XR70, CT70, C70, ATC70, TRX70, S65, 70cc, or 72cm3 engine ultimately depends on the individual's priorities and goals. If improved performance and durability are the primary concerns, then an aftermarket cylinder head may be the best option. However, if cost and warranty considerations are more important, then an OEM part may be a better choice. Ultimately, careful research and consideration of all factors is necessary before making a decision.

If the goal is to maximize performance and durability, then purchasing a high-quality aftermarket cylinder head from a reputable manufacturer would be recommended. However, if budget and warranty concerns are priority, then sticking with an OEM part may be the better choice. It's important to thoroughly research and compare various options before making a decision.

Details:

For Honda TRX70. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. Compare the Combustion Chamber Size shown below, to your current head. Guaranteed Fitment Always the correct part.

This head will only work with FLAT TOP pistons. NEW CYLINDER HEAD FITS FOR HONDA CRF70 XR70 CT70 C70 ATC70 TRX70 S65 70CC 72CM3. For Honda S65. This head will only work with DOMED pistons.

part #: 1b3qrh prices

• $19.99-$47.59

specifications cylindermotorcycleiz:

• for models: Crf70, Xr70, Ct70, C70, Trx70, S65
• for makes: Honda
• brand: Bfo
• mpn: 1b3qrh
• 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:

• cost: $0.00
• class: Standard
• transit: 4-8 Days
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• carrier: FedEx

seller cylindermotorcycleiz:

• rating: 98.3%
• # reviews: 1439
• city: Rowland height, California

general cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

• credit card: Diners-club
• other
• wallet: Google-pay

offer cylindermotorcycleiz:

• sold: 0
• best offers: True
• started: December 14, 2025
• availability: In Stock
• options: Ship-to-home

returns cylindermotorcycleiz:

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

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