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![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_01.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_02.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_03.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_04.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_05.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_06.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_01_s.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_02_s.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_03_s.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_04_s.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_05_s.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_06_s.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
KN Planning
KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc
Product # KN-EX3-AEROX-ST
(0 reviews)128.12 USD (20,425 JPY)
Webike Point: +204 pt
(1.27 USD)
Delivery Information
This product is produced on order.
Usually takes around 8-10 days to ship.
FITMENT
YAMAHA
Open Fit Model Information Table
-
JOG
92 7PS
-
JOG
93-94 EX 7PS
-
BWS(BWS)
(SA02)
-
BWS(BWS)
98- 50 5DA (SAO2J)
See all
YAMAHA
Product detail
[Material]
・Cylinder: made of aluminum
・Inner wall: Chrome
Number of ports: 9 ports in total
Compatible Engines: Yamaha JOG50 Series Horizontal Engine
When using Stock crank, displacement: 49cc
[Kit Contents]
・Cylinder x 1 (Hose outlet 16.3Φmm)
・Cylinder head x 1 (Hose outlet 19.7mmΦ)
・Sensor mounting PT1/8
・Head GK x 1
・Base GK x each 1
・Piston (39mmΦ) x 1
・Piston ring x 1
・Piston pin x 1
・Piston pin clip x 2 (1set)
**The product is for all models except AEROX50.Water cooling pump and radiator are required separately..
■Water Cooled Aluminum Plated Exhaust 3 Port Cylinder Kit
■Total number of ports: 9 ports
■The cylinder is made of aluminum and the inner wall is plated to improve both output and durability.
■Well-balanced design between weight and durability.
■A exclusive head is also included for optimum performance as used with the stock crank.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_01_TL.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_02_TL.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_03_TL.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_04_TL.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_05_TL.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")
![KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc](http://st-img.webike-cdn.net/catalogue/images/58449/kn-ex3-aerox-st_06_TL.jpg "KN EX3 Port Water-Cooled Aluminum Plated Cylinder Kit [YAMAHA 50cc Horizontal Type Engine] 49cc")