Performance Big Bore cylinder kit.

160cc kit 59mm bore size 

aluminum with cast iron cylinder sleeve

include

1x 160cc  59 mm big bore cylinder  

1x light weight desigh piston kit( piston,rings,wrist pin,clips)

1x gasket set ( head, base & timing chain)

will for following 4 stroke & 4 valves engine 

carburetor model & Fuel Injection model

YAMAHA BWS 125cc YW125 

ZUMA 125cc YW125 (4 stroke)

Yamaha Cygnus-X  4V 125 NXC 125

MBK Flame X 4V 125cc  NXC125

BeeWee 125cc YW125

redesign cooling fins, improve cooling efficiency 

this is best choice for your scooter engine upgrade

everything show in photo

easy install just bolt on.

no need modification with crank case

power will increase about 20%~23%

displacement will up to 160cc

high octane gas recommend

recommend up size of main jet for carburetor model.

also recommend remap ECU or

 install a A/F ratio adjuster change fuel map

premium quality from Taiwan!

the product will  ship from Taiwan

International Buyers-Please Note:

Import duties, taxes and charges are Not Included in the price or shipping charges. 

These charges are the buyers responsibility.  

Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying. 

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