$119.95 Buy It Now or Best Offer
free,30-Day Returns

Seller Store imotorpartsusa
(62586) 98.8%,

Location: Los Angeles, California
Ships to: US,
Item: 291163226379

Restocking Fee:20%
Return shipping will be paid by:Buyer
Returns Accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
IMPUSA:IMPUSA
Type:Cylinder & Cylinder Heads
Warranty:Yes
Compatible Make:Roketa, Taotao, Ice Bear, SUNL
Machine Type:GY6 139QMB 1P39QMB 49CC 50CC ENGINE
Best GY6 100cc BBK:69mm High Lift rockers valves A9 racing cam
Manufacturer Part Number:Does not apply

Brand new GY6 100CC BBK BIG BORE KIT for Chinese 4 stroke Scooters & Mopeds Upgrade 49cc 50cc to 100cc The best way to get more RPM, the maximum direct upgrade kit for GY6 50cc 139qmb engine without modification. Why is this advertised as the best? Simple put, we don’t throw in useless junk parts to make the BBK look enormous. Every component is carefully selected to boost performance, not just for the show. For example, without A9 cam and 69mm valves and rockers, your engine will not reveal the full potential of the BBK. Without the larger main jets and paired pilot jets, your engine will perform poorly and even run slower than stock engines. You might find those so called 100cc BBK for a little cheaper, but they are all lack of the very key components to maximize your engine performance. We are the only supplier with the key combo included. Most of our customers are returning customers and experienced builders who know the true value of this kit. Big Bore kit includes Fully assembled cylinder head 69mm high lift valves, best performance valves 69mm high lift rockers, best performance rockers 50mm bore size cylinder jug Cylinder head gasket set 3 up-sized main jets and matching pilot jets to upgrade your existing carb, no need to purchase bigger carb A9 high performance camshaft best performance combo with 69mm set up Piston & Rings set 69mm high lift camshaft holderManifold Bore kit works with: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 scootersVIP future champion 4 strokeJonway 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 BT49QT-2, BT49QT-7, BT49QT-9, BT50QT-9, BT50QT-11Fly Scooter 49cc 50cc 4 stroke scootersTank 49cc 50cc 4 stroke scootersJinlun 49cc 50cc 4 stroke scooters Multiple items can be combined shipping, please look at our other items, thank you. Powered by eBay

Frequently Asked Questions About BEST GY6 100CC BBK BIG BORE KIT FOR 139QMB 1P39QMB SCOOTER ROKETA TAOTAO A9 CAM in My Website

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