i've read and re-read post on pipes and jetting. the way i read all these posts are once you put a aftermarket pipe on and do the air box mod the engine has more power and needs more fuel. which from reading these post's means i would need to richen the mixture accross the board.
based on what i'm reading as stock i have a for my 92 kdx 200:
1172n
150
48
these post and sites are recommending that i would use the following:
1173n
152 or 155
48
after looking at the sizes for these they seem smaller except for the change from the 150 to the 155.
so my ? is does this really indeed richen the mixture or is it leaning it do to the larger id of the needle?
here is a cut / past from just kdx.
Stock -Run the stock R1172N jet needle in the second from the top clip position, 48 pilot jet, 155 main jet and fine-tune the pilot circuit using the air screw.
With a performance pipe/expansion chamber, the air box lid removed and the stock or a performance silencer run a 45/48 pilot, R1173N jet needle in the mid clip position, a 152/155 main jet fine tune the pilot circuit using the air screw.
thanks for any help in clearing this up. i really don't want to blow an engine up. i'm just missing the point on how this richens the mixture.
thanks
doug
based on what i'm reading as stock i have a for my 92 kdx 200:
1172n
150
48
these post and sites are recommending that i would use the following:
1173n
152 or 155
48
after looking at the sizes for these they seem smaller except for the change from the 150 to the 155.
so my ? is does this really indeed richen the mixture or is it leaning it do to the larger id of the needle?
here is a cut / past from just kdx.
Stock -Run the stock R1172N jet needle in the second from the top clip position, 48 pilot jet, 155 main jet and fine-tune the pilot circuit using the air screw.
With a performance pipe/expansion chamber, the air box lid removed and the stock or a performance silencer run a 45/48 pilot, R1173N jet needle in the mid clip position, a 152/155 main jet fine tune the pilot circuit using the air screw.
thanks for any help in clearing this up. i really don't want to blow an engine up. i'm just missing the point on how this richens the mixture.
thanks
doug
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