47mm big bore Cylinder Set for Scooter 139QMB GY6 50cc upgrade to GY6 80cc

Description

GY6-80 47mm Cylinder & Piston & Ring & Gasket Set
The full kit consists of 47mm Cylinder Block, Piston, Pin, Circlips, Piston Ring Set, head gasket and base gasket. Cylinder Barrel Inner Diameter 47mm Cylinder Barrel Outer Diameter 53mm Cylinder Stud spacing: 50mm Cylinder Face to Face Height: 53.2mm Cylinder Overall Height: 71.05mm Piston Diameter: 47mm Piston overall height: 34.1mm Pin Diameter: 13mm Pin Length: 36.35mm Thickness of the two thicker rings: 0.95mm Thickness of the two thinner rings:0.35mm Application: 139QMB GY6-50 or GY6-60(39mm or 44mm) upgrades to GY6-80cc
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STATEMENT
:  Considering it is not legally allowed to install big bore kit to change engine displacement in most countries, t
he displacement mark on this 47mm big bore cylinder remains 49cm3.
The inner diameter of GY6-50 standard cylinder block is 39mm while our this big bore cylinder is 47mm.
Important Notes
:
1.
Import duties, taxes & other charges (such as Surcharges for Out-of-Delivery Area/Remote Area), if any, are not included in our item price or shipping cost. These charges are Buyer's responsibilities.
2
. You may be required by local shipping carrier to submit document or payment certificate for customs clearance.
3
. All products are brand new in good condition, and all items are inspected before shipment. All products are packed properly. Item may arrive damaged due to rough handling in transit, so it is strongly suggested to always have open-box inspection in front of postman before signing for receipt and reject parcel if items inside are damaged.
4. This item should be installed and fine-tuned by a professional mechanic.
5
. If you are satisfied with our products and our service, please leave positive feedback.
Please do not open a dispute case rashly without prior communication with us. Most disputes can be solved by friendly negotiation.