1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 10791773858605653
  3. BFO SY6NUB

BFO SY6NUB Cylinder Head 70CC ATC70 72CM3

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

Sy6nub Bfo 70cc Cylinder Head Assembly For Honda Atc70 Ct70 Trx70 Crf70 Xr70 72cm3

( Brand: Bfo ), ( Manufacturer Part Number: SY6NUB ), ( Bundle Listing: Yes ), ( 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: Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Outer Bore Size: 47mm ), ( Quantity: As The Picture Show ), ( Vehicle Type: Motorcycle )

Review BFO 70cc Cylinder Head Assembly Honda fits CT70 TRX70 CRF70 XR70

The BFO SY6NUB 70cc cylinder head is a high-performance upgrade for Honda ATV models, including the ATC70, CT70, TRX70, CRF70, and XR70 with a 72cm3 engine size. This replacement cylinder head is specifically designed for those seeking more power and reliability from their Honda ATV.

The SY6NUB cylinder head features a high-quality compact combustion chamber, which is CNC machined to ensure excellent gas flow and optimal combustion efficiency. The head also includes a new exhaust port design, providing better exhaust gas emission and improved power output.

Moreover, this cylinder head comes with redesigned valves, which offer enhanced volumetric efficiency and optimized valve timing. The valves are made of durable materials to provide superior reliability and lasting performance. The head also includes a higher compression ratio, which will allow for a more powerful combustion process and increased engine output.

Additionally, the BFO SY6NUB 70cc cylinder head includes new cooling jacket design, which will enhance coolant flow and keep the engine running at optimal temperatures during prolonged heavy usage. This new design will provide better durability and longevity for your Honda ATV engine.

This performance upgrade comes with all the necessary hardware, including new gaskets and bolts, for an easy installation process. It also includes step-by-step instructions to guide you through the installation process, ensuring a hassle-free experience.

The BFO SY6NUB 70cc cylinder head is engineered to improve the power, torque, and overall performance of your Honda 72cm3 ATV engine. This upgrade is ideal for riders looking to take their ATV to the next level, whether it's for racing, off-road adventures, or work applications.

In conclusion, the BFO SY6NUB 70cc cylinder head is a top-tier upgrade for Honda ATV owners seeking more power, reliability, and durability from their engines. This cylinder head is specifically designed for the Honda ATC70, CT70, TRX70, CRF70, and XR70 with the 72cm3 engine size, and provides a significant improvement in power output and engine efficiency. It comes with all the necessary hardware and installation instructions, making it an excellent choice for those looking to maximize the performance of their Honda ATV.

The BFO SY6NUB 70cc cylinder head is a potential upgrade for various Honda models including the ATC70, CT70, TRX70, CRF70, and XR70 with engine displacement of 72cm3. This upgrade offers several benefits and drawbacks that should be considered before making a purchase.

Pros:

1. Increased Performance: This cylinder head is designed to provide improved engine performance. It offers better combustion chamber shape, improved fuel efficiency, and an increased compression ratio, resulting in more power.

2. Durability: The BFO SY6NUB cylinder head is made of high-quality materials, ensuring increased durability compared to the stock cylinder head. It can withstand the demands of off-road riding and racing.

3. Better Throttle Response: This upgrade yields better throttle response, enabling smoother power delivery and improved acceleration. It allows for a more enjoyable riding experience.

4. Cost-Effective: Compared to other performance upgrades, such as larger carburetors or exhaust systems, a cylinder head swap is a more cost-effective way to increase power and performance.

Cons:

1. Complex Upgrade: A cylinder head replacement is a complex upgrade that requires some mechanical expertise. It cannot be done easily, and it is recommended to take the engine to a professional mechanic for installation.

2. Cost: While the upgrade itself may be cost-effective, the overall cost can be higher when considering the cost of tools, labor, and replacement parts that may be required during the installation process.

3. Risk of damage: During the installation process, there is a risk of damaging the engine or other components if not done correctly. Proper preparation and execution are crucial to avoid any mishaps.

Conclusion:

The BFO SY6NUB 70cc cylinder head is a promising upgrade for Honda ATC70, CT70, TRX70, CRF70, and XR70 models, offering increased performance, durability, and better throttle response. It is a cost-effective way to improve power and can provide a satisfying riding experience. However, the complexity and potential costs associated with the upgrade should be carefully considered before proceeding. It is recommended that a professional mechanic with experience in this type of upgrade performs the install to minimize risk and optimize results.

Recommendation:

If you are a serious off-road rider or racer looking for increased power and performance from your ATV, the BFO SY6NUB 70cc cylinder head is a worthwhile investment. Prepare yourself for the installation process, make sure you have the necessary tools, and consult a professional mechanic for a successful and seamless upgrade experience.

Details:

For Honda TRX70. For Honda S65. Always the correct part. Compare the Combustion Chamber Size shown below, to your current head.

G guaranteed Fitment. This head will only work with FLAT TOP pistons. This head will only work with DOMED pistons. Manufacturer.

Quick, Simple. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. Fast Shipping. 70cc Cylinder Head Assembly for Honda ATC70 CT70 TRX70 CRF70 XR70 70CC 72CM3.

part #: sy6nub prices

  • $19.99-$47.59

specifications cylindermotorcycleiz:

  • for models: Ct70, Trx70, Crf70, Xr70
  • for makes: Honda
  • brand: Bfo
  • mpn: Sy6nub
  • bundle listing: Yes
  • 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: Instruction Included
  • notice: This Is Aftermarket Replcement Part.
  • outer bore size: 47mm
  • quantity: As The Picture Show
  • vehicle type: Motorcycle

shipping cylindermotorcycleiz:

  • transit: 3-6 Days
  • type: Fixed
  • service: Standard
  • class: Standard
  • cost: $0.00

offer cylindermotorcycleiz:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 5
  • started: January 26, 2025
  • best offers: True

seller cylindermotorcycleiz:

  • # reviews: 434
  • city: Dayton, New Jersey
  • rating: 99.2%

payments cylindermotorcycleiz:

  • other
  • credit card: Visa
  • wallet: Paypal

returns cylindermotorcycleiz:

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

general cylindermotorcycleiz:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: New
for models: ct70, trx70, crf70, xr70, for makes: honda, bundle listing: yes, 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: 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: 10791773858605653,
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