Shovelheads, as well as early Evos andall big twins back to Knucks all use a rotatry valve timed to the camshaft. This resembles a 1 1/4"drum about 3" long with a portion of it screened. Later Evos and Twin Cams use the "Head breather" system with the umbrella valves.
The Crank Case Holds 3.79 Litres = to 4 US Quarts.
this bike holds 4 quarts of oil in the crank case always replace the filter
Too full or bike has been sitting too long. Start it up a run it a while. Check oil level first.
3 qts with new filter / 2.5 if you use old one but trust me put a new filter on its worth it
Drain plug on the bottom
32 ounces
On a 1993 Harley Davidson Low Rider custom, the transmission drain plug is underneath the transmission. The filler plug is on the side of the transmission case.
in the primary case behind the compensating sprocket
The transmission and crankcase are one piece on a Sportster.
Its a 'Glide! Put "Harley Davidson FLT" into Google Images. You can still get the Clymer manual too.
there is a Allen screw on the side case fill until it begins to run out.
The primary oil does three things. Lube the clutch. Lube the primary chain . And cool the stator. If Harley thought Dextron would do this, they would have recommended the use of it. Keep your Harley a Harley.