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Engine Oil ChangeOutboards4-Stroke MFS 2/2.5/3.5A Outboard Motors

Oil Specification

Engine Oil:
4 Stroke Engine Oil
API : SF, SG, SH
SAE : 10W-30, 10W-40
NMMA : FC-W Certified 10W-30
Quantity of Engine Oil:
300cm3(10 fl.oz)

Engine Oil Chart

Use oil with viscosity that is suited to ambient air temperature of the operating region.

Engine Oil Replacement Procedure

Use of engine oil containing dirt or water can significantly shorten the lives of rotating and sliding parts of engine.

Replacement of Engine Oil:

Oil cup and drain bolt

  1. Stop the engine and set outboard motor straight ahead and vertical.
  2. Remove top cowl and then oil filler cap "1".
  3. Place drain oil pan below drain bolt "2".
  4. Remove drain bolt "2" to drain oil.
  5. Tighten drain bolt "2" to specified torque.
    Drain oil pan
    Apply oil to washer "3" of drain bolt "2".
    Drain Bolt:
    18N/m (13 lb/ft) [1.8kgf/m]
  6. Pour new engine oil into oil inlet "3" until oil level reaches upper limit mark (center) of oil level gauge "4". Pour new oil
    Quantity of Engine Oil:
    300cm3(10 fl.oz)
  7. Attach oil filler cap 1, start engine and idle for 5 minutes to warm up.
    Attaching oil filler cap
  8. Stop engine and check oil level and for oil leaks after 5 minutes.

Updated on: Saturday, December 26, 2020

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