Material: Aluminum casting Bore Diameter: Φ56 Compression ratio: 12.1: 1 (Stock 9.8: 1) High camshaft: Decomp mechanism compatible Compatible with OEM air cleaner box High-octane gasoline specification
*The exhaust must be replaced separately to ensure stable performance. *Only the combination of KITACO's exhaust and stock air cleaner can be used without FI setting with stock ECU. *For other combinations, the FI setting may be required.I-MAP is currently under development. *Stock exhaust and stock camshaft cannot be used. *Remove and reuse the stock camshaft decompression parts. *In order to get the best performance out of the engine, replace the exhaust with Kitaco's Extreme R exhaust.If you are using another manufacturer's exhaust, you will need to set the fuel adjustment.
The high compression pistons increase the compression ratio and the high camshafts change the valve timing to increase the engine power without changing the displacement. Complete kit with high compression pistons and high camshafts for high power output without changing the 125cc engine.You can squeeze out more power than stock.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
Response is bad, Torque feeling also does not have high revolution I wanted to buy it. Because it is an air-cooled single cylinder, it can be exchanged without using a lot of tools, but I think that it is difficult to understand a bit with the instruction manual alone. I think that you can do it easily if you are an experienced. For assembly, it is necessary to create a gold tool to be used for stopping the rotation of Camshaft Chain Tensioner, but you can make it easily if there is only a material. By the way, Bulker was within the standard value even without adjustment.
Impression after exchange was improved with Response, Torque feeling, it became a natural feeling that I thought this was the original fee Ring. By the way, Air Filter, Exhaust System has been exchanged. View Detail
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