850 carbie tuning

jimmy_mangat

Junior Member
Senior Member

jimmy_mangat

Junior Member
Senior Member
Oct 9, 2006
19
0
1,501
hello ladies.i hv a problem to tune my carburetor.does anybody know how to tune the carbie (air needle one) my car also jerking like hell.i dunno maybe too rich or lean.before this i change the mainjet to big wan.how to adjust the air needle? how many turn open or out? low rpm oso very jerking and more fuel.all type of spark plugs hv been try.