1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 10522351431001613
  3. BFO Z14UAX

BFO Z14UAX Cylinder Head 70CC ATC70 72CM3

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

Z14uax Bfo 70cc Cylinder Head Assembly For Honda Atc70 Ct70 Trx70 Crf70 Xr70 72cm3

( Brand: Bfo ), ( Manufacturer Part Number: Z14UAX ), ( 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: No 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 Z14UAX 70cc cylinder head is a high-performance upgrade for various Honda models, including the ATC70, CT70, TRX70, CRF70, and XR70, with an engine displacement of 72cm3. This cylinder head is designed to bring significant enhancements to your mini-bike's performance and reliability.

Construction of the BFO Z14UAX cylinder head centralizes around an ultralight, forged aluminum structure, which helps evade heat buildup while reducing the overall weight of your engine. In comparison to the stock part, this lightweight head facilitates better cooling, ensuring your engine operates efficiently and continuously at peak performance.

Performance optimization is achieved through the utilization of a pinless, high-performance exhaust valve, providing larger valves and improved flow. A larger intake valve offers enhanced vacuum, leading to increased power and torque across the RPM band. This elevated intake and exhaust flow further contributes to an outstanding throttle response and quicker acceleration.

A high-compression Nickel-chrome-molybdenum aluminum alloy piston comes integrated with the BFO Z14UAX cylinder head, which is designed for durability, lower compression resistance, and excellent sealing properties. This high-quality piston offers increased power output and thermal efficiency, even under heavy usage and demanding riding conditions.

The BFO Z14UAX cylinder head is outfitted with a durable, high-strength steel cylinder liner, which ensures excellent ring sealing and long-term engine durability. The dual valve guide system minimizes the frictional losses while improving the overall fuel efficiency and operational lifespan of your engine.

To provide maximum reliability, this premium cylinder head includes a precision-machined, balanced, and heat-treated crankshaft and connecting rods. This assembly ensures consistent power delivery, enhanced engine stability, and improved overall power output.

The BFO Z14UAX cylinder head is engineered to effortlessly bolt on to your existing engine, providing seamless integration while retaining the original OEM gearbox and clutch setups. The installation process is straightforward and requires no significant modifications to the engine bay, ensuring hassle-free installation and the continuation of your riding adventures.

In summary, the BFO Z14UAX 70cc cylinder head offers a substantial improvement in power, torque, and engine efficiency compared to the stock parts for various Honda mini-bikes: ATC70, CT70, TRX70, CRF70, and XR70. With its forged aluminum build, high-performance exhaust and intake valves, durable piston, and crankshaft and connecting rods, this cylinder head is a premium upgrade that delivers the perfect balance of performance and reliability for demanding riders.

The BFO Z14UAX 70cc cylinder head is a popular aftermarket upgrade for various Honda mini bikes, including the ATC70, CT70, TRX70, CRF70, and XR70 models. This cylinder head comes with a displacement increased from the stock 66.4cc to 70cc. Here are some pros and cons of buying this cylinder head for your Honda mini bike.

Pros:

1. Increased Power: The primary advantage of installing a BFO Z14UAX 70cc cylinder head is the significant increase in power. The additional 3.6cc displacement results in better engine performance, enabling improved acceleration and top speed.

2. Enhanced Torque: Apart from the power increase, this cylinder head also provides more torque at the low and mid-range RPMs, making vehicle maneuverability much easier.

3. Superior Cooling: The BFO Z14UAX features a robust cooling system, reducing the risk of engine temperature issues, especially during extended periods of hard riding.

4. Improved Engine Longevity: The cylinder head's upgraded design enhances the engine's durability and overall reliability, providing better longevity, making it an excellent investment for long-term use.

5. Easy Installation: Installing the BFO Z14UAX cylinder head does not require advanced skills, and a step-by-step instruction manual is provided by the manufacturer, making it a relatively simple process for most riders.

Cons:

1. Cost: The primary disadvantage of upgrading to the BFO Z14UAX 70cc cylinder head is the cost. It can be more expensive than the stock cylinder head, and the cost of the upgrade also depends on other factors like installation labor fees and import taxes (if applicable).

2. Reduced Fuel Efficiency: Due to the increased power, fuel consumption may slightly increase. This is a common factor with most engine upgrades.

3. Suspension Adjustments: The increased power output may put additional stress on the suspension system, requiring periodic checks and potential adjustments to maintain excellent handling and steering.

4. Potential Noise: Some users have reported that this cylinder head can produce a louder engine noise compared to the stock counterpart.

Conclusion:

The BFO Z14UAX 70cc cylinder head is a considerable upgrade for Honda mini bikes like the ATC70, CT70, TRX70, CRF70, and XR70. It offers increased power, torque, and improved engine cooling, as well as potential enhancements to engine longevity. However, the cost, potentially reduced fuel efficiency, and possible suspension adjustments and engine noise are important cons to consider before making a purchase. If you are an experienced rider looking to unlock extra performance from your mini bike, the benefits of the BFO Z14UAX cylinder head just might outweigh the cons. Ultimately, your decision to purchase this upgrade will depend on your priorities, budget, and desire for added power.

Details:

For Honda TRX70.guaranteed Fitment. Manufacturer. This head will only work with DOMED pistons.

Compare the Combustion Chamber Size shown below, to your current head. For Honda ATC70 1978-1985. 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. Quick, Simple. Always the correct part. Fast Shipping.

part #: z14uax prices

  • $19.99-$35.31

specifications cylindermotorcycleiz:

  • for models: Ct70, Trx70, Crf70, Xr70
  • for makes: Honda
  • brand: Bfo
  • mpn: Z14uax
  • 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: 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
  • other
  • wallet: Paypal

shipping cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • options: Ship-to-home
  • best offers: True
  • started: January 2, 2025
  • availability: In Stock
  • quantity: 5
  • sold: 0

general cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • # reviews: 350
  • rating: 99.3%
  • city: Dayton, New Jersey
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: 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: 10522351431001613,
Bfo Z14UAX Is Similar To:
cylindermotorcycleiz logo
5 offers $19.99–$35.31 USD
  • New. Offer #1 priced at $35.31 + $0.00 shipping estimate = $35.31* total. for Honda 1978-1985. Cylinder Head for Honda CRF70 XR70 CT70 C70 TRX70 S65 ( 50cc Large Bore / 70cc Small Bore ).FREE SHIPPING
  • New. Offer #2 priced at $32.69 + $0.00 shipping estimate = $32.69* total. for Honda CT70 1969-1994.FREE SHIPPING
  • New. Offer #3 priced at $19.99 + $0.00 shipping estimate = $19.99* total. All of them are compatible with 70cc models. 70cc Cylinder Piston Kit for Honda CRF70 CT70 C70 TRX70 XR70 S65.FREE SHIPPING
  • New. Offer #4 priced at $47.59 + $0.00 shipping estimate = $47.59* total. Cylinder Piston Engine Rebuild Kit For Honda CRF70 CT70 C70 70CC 72C. 70cc Cylinder Piston Head Kit for Honda CRF70 CT70 C70 TRX70 XR70 S65.FREE SHIPPING
  • New. Offer #5 priced at $48.79 + $0.00 shipping estimate = $48.79* total. 70CC Cylinder Piston Gasket Top End Kit For Honda CRF70F TRX70 S65 XR70R. for Honda CRF70F 2004-2009.FREE SHIPPING

Copyright © cylindermotorcycleiz.com