Question about 2002 Yamaha TT-R 250
Make sure the air filter is clean if it is then take your carb off and clen out your main jet large brass jet in center of the bottom of the carb if that does not fix it adjust your air screw on side of carb brass flat head screw turn right until tight lightly not to hard just enough till it feels snug then start at one turn left and rev 2-3 times then go a 1/4 turn left at a time till the bike revs and runs well good luck
Posted on Jun 28, 2009
You aren't saying if it is cold or warm. If cold, TTRs are notoriously touchy.
Let it idle on choke for a good three minutes before attempting any throttle. If it stalls, it isn't hot enough.
Posted on Jun 29, 2009
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Posted on Jan 02, 2017
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