no start

SO i put a PCV on my quad with auto tune and i don't know if it had a tune on it or not but then i downloaded fuels tune for DASA exhaust and fuel ATV intake, and it was having a little trouble starting and then it ran pretty damn good and then it died. Now it wont start hardly at at.. anyone...

Hey guys so I was riding today and my FI light started blinking so I shit it off waited a little bit and then started again and it was doing the same thing. So I turned it off once again and tried to start it but it just made a clicking noise and wouldnt even crank once. I bump started it and...

Recently purchased a 07' 450 has cherry bomb and RS-5 slip on its hard starting. Like really really hard, just cranks and cranks. If its pushed it'll pop off and run like a top. From what I've been reading on here I believe it needs the valves adjusted. Going to tear it apart tomorrow night and...