I just change out the clutch pads about every 3 or 4 thousand miles, It's a 5 minute job and very cheap...I bought a bag of 45 upgrades black and white type pads for a little over 6 bucks from Amazon...That is three clutch pad changeouts for dirt cheap money, and they are much better than the clay red coloured pads most of these kits come with, I don't even use those, I chuck em out in the trash...lol...Just like a throw out those cheap "Chinesium" Z series spark plugs they come with and replace them with a good NGK plug like the NGK-BR6HS spark plug for most of these motors.