The best way to get more RPM.

Description:

Condition: aftermarket 100% Brand New

High class quality and very durable.

Good Working Condition and Easy to Install (No Installation Instruction).

Color: Silver

Material: Aluminum

Cylinder Stroke：41.5mm
Cylinder Diameter：47mm

Bore kit works with:

Fit for scooters with 139QMB，139QMI or 147QME engines.

Roketa 49cc 50cc 4 stroke scooters such as Bahama,Maui,Sicily,Tank,Baotian 50QT-9

Taotao 49cc 50cc 4 stroke scooters such as GT5, Fastwind, atm50-a1, cy50-a,cy50-b,cy50-t3,funny 50,Roman 50, Retro 50,Speedy 50, Venus 50

SUNL 49CC 50CC 4 stroke scooters

VIP future champion 4stroke

Jonway 49cc 50cc 4 stroke scooters such as warrior 50

Baja 49cc 50cc 4 stroke scooters such as motorsports SC-50 sun city,primo

Zhongshen ZS50QT-4

Baotian BT19QT-2, BT49QT-7,BT49QT-9,BT50QT-9,BT50QT-11

Fly Scooter 49cc 50cc 4 stroke scooters

Tank 49cc 50cc 4 stroke scooters

Jinlun 49cc 50cc 4 stroke scooters

Package included:

Cylinder head with pre-installed 80cc high lift valves

Cylinder body

Cylinder gasket set

A9 high perfomance camshaft,best overall performance cam for GY6 50 upgrade

Valves assembly w/ springs installed

Piston & Rings Set

69mm high lift Camshaft holder and rocker arms assembly

Intake manifold

(As picture Shown)

 
          

 
International Buyers – Please Note

Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying

Attention ：According to Brazil custom requested ，if the package is send to Brazil address pls leave your Tax No. when  you make the order，thanks

ATTENTION:

  • When you receive item damaged, defective, not as described or wrong one, please email us pictures within 72 hours to resolve any problem better and faster:
    1.All labels with clear words on the package;
    2.The real goods you receive;
    3.Different angles of the products and package to show the problem clearly.

SHIPPING:

  • We ship the package within 24 hours from China,We ship to PayPal address ONLY. Please make sure your address in PayPal is matched with your shipping address before you pay.We ship worldwide Via AIr-Mail,Delivery time is 11-22 business days.

  • Express Mail Service is available. You need to contact US about this service.

PAYMENT:

  • We accept PayPal only.
  • If buyer want to delay the payment because of financial problem, please contact me by the ebay message within 3 days.

RETURNS:

  • In case the item is defective, please inform us within 30 days of receipt, we will arrange reship or refund.
  • Buyers have to pay for the return cost and we will pay the cost for resend.
  • If you are unsatisfied with our item or service, please contact us before leaving any feedback. We are committed to resolve all issues in a friendly and satisfactory manner.
  • We always reply to messages within 2 business days (off-duty at weekend). If you do not get a response from us, then please check your junk or spam mailbox.

The best way to get more RPM.

Description:

Condition: aftermarket 100% Brand New

High class quality and very durable.

Good Working Condition and Easy to Install (No Installation Instruction).

Color: Silver

Material: Aluminum

Cylinder Stroke：41.5mm
Cylinder Diameter：47mm

Bore kit works with:

Fit for scooters with 139QMB，139QMI or 147QME engines.

Roketa 49cc 50cc 4 stroke scooters such as Bahama,Maui,Sicily,Tank,Baotian 50QT-9

Taotao 49cc 50cc 4 stroke scooters such as GT5, Fastwind, atm50-a1, cy50-a,cy50-b,cy50-t3,funny 50,Roman 50, Retro 50,Speedy 50, Venus 50

SUNL 49CC 50CC 4 stroke scooters

VIP future champion 4stroke

Jonway 49cc 50cc 4 stroke scooters such as warrior 50

Baja 49cc 50cc 4 stroke scooters such as motorsports SC-50 sun city,primo

Zhongshen ZS50QT-4

Baotian BT19QT-2, BT49QT-7,BT49QT-9,BT50QT-9,BT50QT-11

Fly Scooter 49cc 50cc 4 stroke scooters

Tank 49cc 50cc 4 stroke scooters

Jinlun 49cc 50cc 4 stroke scooters

Package included:

Cylinder head with pre-installed 80cc high lift valves

Cylinder body

Cylinder gasket set

A9 high perfomance camshaft,best overall performance cam for GY6 50 upgrade

Valves assembly w/ springs installed

Piston & Rings Set

69mm high lift Camshaft holder and rocker arms assembly

Intake manifold

(As picture Shown)

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