There are only two clutch adjustment specifications for your custom 1200 sportster.
Sportster clutch cable adjustment.
The first is to adjust the cable lever to 1 8 inch free play.
Adjusting the clutch plates is fairly simple and should be done when the transmission oil is changed.
After relieving the tension on the clutch cable remove the access plug in the middle of the.
Re tighten the clutch cable adjusting nut until the clutch cable re seats in the housing and there is no free play.
On 1988 and later xl models the clutch adjustment nut is found about half way down the cable under the rubber boot that looks like a crinkle cut freedom fry.
Adjusting the clutch cable on a harley davidson sportster is a straight forward process.
On 1984 to 1987 models the adjustment nut is situated where the cable enters the primary chain case.