*The sidestand return prevention function cannot be used. *If a genuine Yamaha immobilizer is installed, the engine may not turn off even when the key is turned off. Genuine Yamaha immobilizer No.90793-67037
Exclusive program setting for the best ignition timing The best ignition timing is to ignite and explode the air mixture just before the piston top dead center.However, in reality, the ignition timing is set to 5 degrees or 40 degrees by the crank angle in advance, assuming that there will be a delay in flame propagation (time to reach the maximum explosive force), a delay by electric transmission, and a delay by mechanical elements.However, the CDI unit that is installed in the machine for the general user that runs on the general public road is not set to the ignition timing characteristic that covers all the various performances of the machine.This Rev CDI spark unit is the CDI unit which gave the best ignition timing characteristic according to all the rpm to draw out the maximum performance which the machine has, and programmed exclusively for each bike.Because it is the ignition timing characteristic that assumes the race running especially, the power up is achieved in the whole range from the low speed to the high speed.It is also equipped with an electric limiter release device.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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