5 series Mikuni Needles (All available shown in sales drop list)

$14.30 AUD

or 4 payments of $3.58 AUD with Afterpay

(Please identify your needle and choose carefully as jets are non-returnable items due to the undetectable risk of customer tampering)

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Description

AllĀ  5 series needles available direct through the Mikuni Factory are listed on the sales drop down list. Needles not shown will only be available directly through the bike manufacturer for whom they will have been a specially made unique item or they are otherwise obsolete.

IMPORTANT TUNING CHARACTERISTICS

The Jet Needle is the tapered rod that is positioned in the throttle valve by the ‘E’-Clip. The taper of the needle increases the clearance between the Jet Needle and the fixed Needle Jet outlet as the throttle is opened. As the air flow volume increases past the throttle slide, the fuel volume is also increased to maintain the correct air/fuel ratio.

NEEDLE ‘E’-CLIP POSITION

The position of the ‘E’-Clip in the Jet Needle is used to correct or change the air/fuel ratio between 1/4th and 3/4th throttle valve position. The ‘E’-Clip can be raised or lowered on the Jet Needle. To richen the fuel mixture the ‘E’-Clip is lowered on the Jet Needle, raising the Jet Needle. To lean the fuel mixture the ‘E’-Clip is raised on the Jet Needle.

The chart below showing dimensions of some 5 series needles may be of assistance in determining alternative options. See the related measuring points picture in the product gallery.

A B D-1 D-2 D-3 D-4 D-5 D-6
5F3 58.0 27.4 2.519 2.519 2.419 2.135 1.863
5EJ11 60.3 28.5 2.515 2.515 2.515 2.241 1.839 1.420
5FL11 60.3 28.2 2.518 2.518 2.438 2.175 1.740 1.256
5FL14 58.0 28.0 2.520 2.520 2.440 2.170 1.735
5FL7 58.0 28.0 2.518 2.518 2.440 2.170 2.170 1.735
5DP7 57.6 26.4 2.512 2.512 2.440 2.259 1.580
5J6 58.0 27.5 2.518 2.518 2.340 1.890 1.450
5L1 58.0 27.0 2.518 2.518 2.330 1.811 1.297
5J9 58.0 27.0 2.522 2.520 1.432 1.996 1.505

Additional information

Needle Number

5DP7, 5DP39, 5F3, 5F21, 5FL7, 5FP17, 5FP96, 5L1, 5N13, 5N14

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