how to remover oil tank 1988 sportster
should be 20-50 wt harley oil but check with your dealer first..
under the seat
1 & 1/2 pints
2.5
need to know what year
No. Check the oil while it is off. If you attempt to check while running, you will make a mess. If you do not make a mess, you are probably low on oil.
while on level ground with the kickstand down.
Depends on the model. Check your manual.
Whatever it takes to fill to the bottom of the clutch basket.
color coded diagram for 1989 Harley FXR
The "recommended" vicosity oil is 20w50, but check with a shop other viscosity oil may be used.