if you search in the FAQs here you can find a link to the helms manual on pdf. just download that, or get it from www.c-speedracing.com, print it out and have it with you when you do the valve adjustment. made my life much easier. once you realize what you're doing it's easy. just be patient and be sure you do it right. it helps me to have a beer in my hand so i remember to slow down, relax, and not get frustrated if it takes a couple of tries.