B Class Atlantic 85 Manual – First Issue, June 2017
Activity 9 - Propulsion and Auxiliary Systems
Engine oil flow
Oil pressure switch
Cylinder headCrankcase
Sleeve
Piston
Crankshaft journal
Crankshaft pin
Intake and exhaust valves
Camshaft journal
Oil filter Main gallery
Oil strainer
Oil pump
Relief valve
Oil pan
Camshaft
Oil pressure switch
Oil filter
Oil filler cap
Oil pan
Oil pump
Oil strainer
Dipstick
Lubrication system
The lubrication system on the F115 (OE 26) and
F115A (OE 33) uses a wet sump. The engines will hold 4.3
litres of 4 stroke oil, excluding the oil filter. The graphic
below shows the engine oil flow.
The RNLI use ELF competition ST 10W-40 oil
(RNLI part no.: C-1263) and Yamaha oil filter
(RNLI part no.: J91-0003).
For details on replacing the engine oil and filter, refer to job
card 0801-79-002 (Staff level 2).
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