I can ride a bicycle. I've ridden on the back of the BF's R1 a few times before he sold it, but other than that I only have limited experience with dirt bikes. I'm not a total beginner, but I would want them to go over every little thing to make sure I know it 110%.
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A few things to keep in mind; 50% of newly licensed motorcyclists have an accident in the first 6 months.
Riding a motorcycle is ALL about the curves. Slow, look, lean, roll. It is VERY different from a bicycle in that, for the most part, you coast bicycles through curves. Motorcycles are about power, proper power in, through and out of the curves. This has to do with how the suspension works as well as the physics of the motorcycle.
Dirt bike experience is, to me, a CRITICAL component of learning BEFORE you get on the road so, that's good. In addition to experience with the control inputs; throttle, clutch, front and rear brakes, steer and body control, it's nice to take a spill or three to kinda get that out of your system in a field instead of an intersection plus you develop confidence when, not if, when the rear gets squirrely on the road due to gravel or sand or other loose material.
I am not discouraging you but, I would suggest maybe another summer of dirt bikes along with taking your licensing course. Spends LOTS of time on your street bike in parking lots working on slow speed maneuvers, stops, starts, etc.
You make a little mistake in a car, nothing happens. You make a little mistake on a bike on the street, you get a trip to the hospital or worse.
It is fun as hell, a wonderful, fantastic thing. And it is dangerous as hell and it ain't for everybody.
Once you get about 1,000 miles under your butt on the street, I HIGHLY recommend taking Total Control I;
Total Control Advanced Riding Clinic