2010 YZ450F programmer

does the programmer offered by yamaha have to be used in conjunction with a dyno machine in order to tune the engine?

trying to get as much info on this as i can. i will be getting a new bike in 3 weeks when they arrive here in La.

thanks for any info and education on this

Only if you consider consider your a$$ to be a dyno, which mine is. I wish my dyno was smaller, but hey...I should just quit eating these d&$* mini snickers bars.

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