Could just be bad luck with a bad alternator. Isn't it still under warranty anyways? 40,000 miles and an alternator seems pretty good to me, especially if they replace the alternator for you.
Maybe it's time to learn to do it yourself. It's not difficult. Buy a Haynes manual for your car. You can do all kinds of stuff and rarely pay a mechanic again.
What year is it? Most OE are 235/70-16 but some years did have optional sizes.
Also, a larger tire isn't going to cause damage unless it's so big that it's rubbing or hitting things, or if two different sizes are used on the same axle. Just FYI.
You don't. You test your throttle position sensor and adjust/replace it.
Edit: If a bad tps is the problem, no tuner is going to fix it. If it doesn't work now, tuning it isn't going to change anything; it'll still fluctuate.
I started on a 2002 Kawasaki Vulcan 500 and my fiance started on a Ninja 500. You shouldn't be starting on a CBR600RR. It's too much for a beginner. Don't let society make you feel inferior for starting off on a more forgiving bike. It's your safety in question.
Edit: For the guy talking about...
I know it's not what you want to hear, but you're going to need to learn to proficiently ride a motorcycle and be able to be very exacting with the controls before you can start "stunting." Unless, of course, your version of stunting is 6" power wheelies for 5 feet like I see most squids...
I know it's not what you want to hear, but you're going to need to learn to proficiently ride a motorcycle and be able to be very exacting with the controls before you can start "stunting." Unless, of course, your version of stunting is 6" power wheelies for 5 feet like I see most squids...