Yes front is 13 and rear is 40. I believe that stock jetting on an 87 is 420 and 88-90 was 350. So you could be either lean or rich. My guess is that you have an 88-90 so it may be a tad lean. Is your throttle very crispy or sluggish? -Mark
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-Mark
90' LT500R Zilla
5th gear wheelies rule!
92' LT250R Quadracer
Minor work. 75+ mph
98' Mustang Cobra (N/A)
bolt-ons
11.79@114.64 (1.62 60ft)
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