Lubrication System - Yamaha GX1800A Service Manual

Lubrication system

The 6EV engine features a wet-sump lubrication system. The oil cooler has been newly designed to
regulate the engine temperature increase due to higher output.
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1. Intake camshaft
2. Exhaust camshaft
3. Cylinder block
4. Crankshaft
5. Oil separator tank
6. Oil pan
7. Oil strainer
8. Oil pipe
9. Oil pump (feed pump)
10. Relief valve
11. Oil cooler ASSY
12. Oil filter
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A
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13. Oil pump drive gear
14. Supercharger
A. To air intake pipe
B. Oil flow
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Technical tips
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B
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