View Full Version : pilot screw
87 250SX
11-28-2003, 04:45 PM
Could someone please tell me the pilot screw setting for a 83 110 I think its 2 ½ turns out that’s usually what everything is. Also the valve will hit the spark plug when its pointing towards it so I put 4 washers on the plug for a quick fix its got a NGK plug long shank I would assume the 110 had a short shank plug???. Thanks for any help
87 250SX
11-29-2003, 10:16 AM
Bump Anyone got a manual they can look in for me Thanks
87 250SX
11-30-2003, 09:35 AM
Does anyone know the pilot screw setting on the carb for a 125 or a 185 I just need a general setting. Is in leaner and out richer.
Dirtcrasher
11-30-2003, 11:37 AM
Turn it all the way in - leaner - until it bottoms out genly, than back it out appx 1 and 1/2 turns it it should run or something is clogged etc. Out is richer or more gas
Good luck!!
87 250SX
11-30-2003, 07:39 PM
Thanks
brokdown
12-01-2003, 01:29 AM
Just some FYI for everyone. I've been doing a lot of reading and playing around trying to learn how to tune a carb. If the pilot screw is on the motor side of the carb, it controls fuel(in=leaner, out=richer) if it's on the back side, it controls air(in=richer, out=leaner)
And I don't have my manual at hand, but I think 1 3/8 or 1 1/2 would be the factory setting.
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