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IH: Oiling & Lubrication

Engine Oil Routes

Right Crankcase Feed Galley

Top End Oiling

Rocker arm / Valve oiling

Rocker Box Oiling

Bottom End Oiling

Pinion shaft and Crank Pin

Cam Cover Bushings

Cam Cover \ Gasket

Case Oiling and Drainage

Splash

Oil Pump Scavenge

'77 and Later Cases

Case & Tranny Drain Plugs on a 1978 engine 1)
Case Drain Plug on a 1977 engine 2)

Gravity


1)
photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=806833&highlight=drilling+tapping+drain&page=2
2)
photos by bobbystat of the XLFORUM http://xlforum.net/forums/showthread.php?t=1950691
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Trace: • IH: Oiling & Lubrication • IH: Oiling & Lubrication - Sub-03P • Sportster Technical Menu • REF: Oiling & Lubrication • REF: Oiling & Lubrication • IH: Oiling & Lubrication - Sub-04J • IH: Wheels, Brakes & Tires