Here is a quick reference chart I made years ago. If you are at the richest clip position and want to make it richer, the chart will allow you to look for an equivalent needle that will allow you to change the clip and make it richer. The following chart was from an excell spreadsheet but it lost its formatting when imported to the forum.
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[TD=colspan: 6]Keihin Needle Clip Comparison Chart for N427-48 Needles[/TD]
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[TD=colspan: 6] For: PE, PJ, PWK, PWM Carburetors[/TD]
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[TD]L1 = distance from top clip position to 2.515 mm diameter.[/TD]
[TD]L1 Designator C = 36.35[/TD]
[TD]L1 Designator D = 36.80[/TD]
[TD]L1 Designator E = 38.15[/TD]
[TD]L1 Designator F = 38.60[/TD]
[TD]L1 Designator G = 39.95[/TD]
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[TD]Clip Position[/TD]
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[TD]Top 1st [/TD]
[TD]36.35[/TD]
[TD]36.80[/TD]
[TD]38.15[/TD]
[TD]38.60[/TD]
[TD]39.95[/TD]
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[TD]2nd [/TD]
[TD]35.45[/TD]
[TD]35.90[/TD]
[TD]37.25[/TD]
[TD]37.70[/TD]
[TD]39.05[/TD]
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[TD]Middle 3rd [/TD]
[TD]34.55[/TD]
[TD]35.00[/TD]
[TD]36.35[/TD]
[TD]36.80[/TD]
[TD]38.15[/TD]
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[TD]4th [/TD]
[TD]33.65[/TD]
[TD]34.10[/TD]
[TD]35.45[/TD]
[TD]35.90[/TD]
[TD]37.25[/TD]
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[TD]Bottom 5th [/TD]
[TD]32.75[/TD]
[TD]33.20[/TD]
[TD]34.55[/TD]
[TD]35.00[/TD]
[TD]36.35[/TD]
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[TD]Example:[/TD]
[TD=colspan: 5]You have a DGH in the 5th clip position and would like to be able to make[/TD]
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[TD=colspan: 5] the DGH richer in the 1/2 to full throttle range. L1 for the DGH in the 5th clip[/TD]
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[TD=colspan: 5]position is 36.35 mm. A DCH in the 1st clip positon would be equal to a DGH in[/TD]
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[TD=colspan: 5]the 5th clip position. A DEH (if it existed) in the middle position would be[/TD]
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[TD=colspan: 3]equivalent to a DGH in the 5th clip position. [/TD]
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