Improved combustion conditions at low rpm
Introduced to improve the situation of stalling all over the place due to too thin fuel mixture.
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The configuration consists of a secondary air Cut, K&N air fill, YOSHIMURASlip-on Silencer, and the 2016 ECU introduced earlier stopped the stalling, but the combustion seemed unstable, so we added it.
The instruction manual is removed to the Side cowl, but it was Large sturdy just by removing the Tank.
On the other hand, it is better to reduce the fuel to the limit and stand the vehicle body vertically to stabilize the Tank, as it is likely to be very difficult to do so with the Tank on.
Coupler is only attached as it is supposed to be attached, so I think Large is sturdy if you know where it is.
It is hard to see the picture of the instruction manual, so I will upload it.
Without Dynamo or A/F meter, Original map or something like that is too scary, so we operate with JMCA + 5% hanging map.
Effects
It is not dramatically faster, but I could feel the effect.
Improved starting performance, idling stability, and torque feeling at startup.
If you are so inclined, you can make an original map, and if it is this effective for only 10,000 yen or so, I think it is a very good deal.

