Please Help Me!!!!!!!!

[ILIVE4WHATIDIE4]

ok i was riding a couple of days ago and all of a sudden my wheels locked up. first thing i thought of was the crank so i let it set for a bit then it started right back up. and ran fine the rest of that day. well the next day it did the same but now it wont start unless i pop start it but i have to hold the throtle down all the way just to keep it running a lil bit. i have changed spark plug, cleaned carb,adjusted valves, and retimed it and still nothing plzzz help me....

[Honda#4]

Hows the brake pads and rotors look?

[ILIVE4WHATIDIE4]

there ok. i makes a wierd noise when it actually does start but i have to keep the throtle down just to keep it running with low rpms as soon as i let go of the throtle it dies man im so confused

[hypersnyper6947]

is it getting fuel and air

[honda400ex2003]

spark, air leak, check out the plug, check the comp if you can and do a leak down test. it sounds like it could be rings or something too and it just happens to get enough to get it going when it is wide open. just a few suggestions though to check out. steve