Engine Lubrication System

The TK486 family of engines use a pressure lubrication system. Refer to the TK482 and TK486 Engine Overhaul Manual (TK 50136-2-OM) for a detailed description of the engine lubrication system.


Engine Model / Oil Pump Type

  • TK486V25 - Parachoid Oil Pump

  • TK486V25L - Parachoid Oil Pump

  • TK486V25X - Parachoid Oil Pump

  • TK486V25L1 - Trochoid Oil Pump (the upper oil sump, gear case, gear case cover, and crankshaft are different to accommodate the trochoid style oil pump)

  • TK486V25X1 - Trochoid Oil Pump (the upper oil sump, gear case, gear case cover, and crankshaft are different to accommodate the trochoid style oil pump)

In this section:

  1. Engine Oil Change
  2. Oil Filter Change
  3. Low Oil Pressure
Parent topic: Engine Maintenance