not a day for me (sat.) weekend ,i decide to add outer fuel filter ofna large filter ,so i went to test it damn motor doesnt want to start it start for few secds. but it die all the time so i checked the p3 plug its busted so i try new plugs finally it starts but it die for few secs. ,so start again decide to give some throthle & finally touch the (dirt)ground after 10 ft.it die again so i tried to lean the hsn but no success i rich the lsn it start well so i did the 1st lap ,so on the straight way the idle sounds high ,this is my 1st time to experience this ,i just did the fuel filter on & the motor is out of tune any idea??is this really affect the motor i remember the fuel line from the tank to the engine is about 14 inchs. then i just add a large fuel filter & the motor is acting up