1999
20w50
Around 110 PH
88 cubic inches or 1,450 cubic centimeters.
4 quarts
'86-'88
The 2001 Harley-Davidson Fat Boy is equipped with a 1450cc (88 cubic inch) V-twin engine. This engine is part of Harley's Twin Cam 88 family, known for its torque and classic V-twin sound. The Fat Boy combines this motor with a 5-speed transmission, providing a balance of performance and cruising comfort.
There is a Screaming Eagle 95 inch kit that is a direct upgrade to the 88 twin cam engine.
1450cc is an 88 inch Harley
88
right side below the oil tank a hose runs down to what appears to be a crossmember on the bottom of that fitting is a plug (up in it) softail heritage dyna is at the bottom of the motor
1403 is the official spec on the 88" engine.
the gap for a Harley plug on a 88c.i. is 30