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262.3 USD (41,815 JPY)
Delivery Information
Out of stock at the manufacturer.
[Material]
・Cylinder: made of aluminum
・Inner wall: Chrome
[Kit Contents]
■Cylinder x 1
■Cylinder head x 1
■Head GK (0.5mm) x 1
■Base GK (0.2, 0.3, 0.4, 0.5mm) x each 1
■Piston (57Φ) x 1
■Piston rings x 2 (1set)
■Piston pin x 1
■Piston pin clip x 2 (1set)
■Small end bearing x 1
[Specification]
■Compatible engines: 4VP
■Displacement when using stock crank: 121.4cc
■Bore diameter: 57mm
■Compression ratio: 1: 14
■Squish recommended: 0.8mm
■Cylinder length: 89.8mm (Stock 85.8mm)
■Piston Weight: Approx. 140g
■Combustion chamber volume: 9.19cc
Finally finished!The first ever aluminum plated center rib cylinder kit!
The cylinder is made of aluminum and the inner wall is plated to improve both output and durability.
The pistons are designed to accommodate large exhaust ports, and are balanced in weight and durability.
A special head is also included for optimum performance when used with stock cranks.
[Product Features]
■Cylinder height is extended by 4mm.This makes it easy to use with long stroke cranks available on the market.
A design that enables port timing that was previously impossible.
All the know-how that KN planning has cultivated is packed in order to achieve specifications that satisfy all users from beginners to heavy tuners.
■The index combination is
PORT9+stock crank+BIG carburetor kit (28Φ+4 BIG reeds+in manifold) +G03 or G03-X.
The drivetrain is also equipped with KN project products to get about 14PS!*Reference value stock approx. 6.5 PS
■Of course, it can be ported for more power.
The wall thickness of the outer wall of each port is also designed in consideration of the processing.
■The special cylinder head adopts the long reach plug type.
This makes it easy to machine the head when a long crank is used.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
Reviews with image
Fits:YAMAHA AEROX100 AEROX100, YAMAHA BWS100 BWS100, YAMAHA Grand Axis Grand Axis
Nov 22, 2019
Webike had this cylinder kit shipped to my front door in less than 1 week.This cylinder kit is the best I have seen.The quality of these parts is extremely high and the alloy cylinder would not look out of place in a 250 grand prix paddock.
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Fits:YAMAHA AEROX100 AEROX100, YAMAHA BWS100 BWS100, YAMAHA Grand Axis Grand Axis
Nov 3, 2017
This is a great barrel to big bore bolts stright on no machining as it says it may very good fitting ports ling up very good nearly matched ported would recamend to all wanting more power and tarque gose vrey well with 52mm stroker cranke sold at this site bolts stright in again no machining hi comp as well
View DetailFits:YAMAHA AEROX100 AEROX100, YAMAHA BWS100 BWS100, YAMAHA Grand Axis Grand Axis
Sep 4, 2017
excelent value for money very well made all parts arrived and work well togeather would recommend to all that want to add hp to scooter will over dobble power shipping very fast and good cost quality for price is a lot better than e pected all parts are what was pichered would help if english was understood but they do there best to help with any questuons
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