Yamaha EF2400iS — Engine Oil Replacement
Maintenance
For the Yamaha EF2400iS, from the Yamaha owner's manual.
Before you start
- Be sure no foreign material enters the crankcase.
- Be sure to install the rubber cap securely to prevent it falling off during operation.
Procedure
- Place the machine on a level surface and warm up the engine for several minutes, then stop the engine.
- Remove the rubber cap on the bottom.
- Place an oil pan under the engine. Remove the drain bolt.
- Open the oil filler cover and remove the oil filler cap so the oil can be completely drained.
- Check the drain bolt, gasket, oil filler cap and O-ring; if damaged, replace.
- Reinstall the oil drain bolt.
- Add engine oil to the upper level.
- Install the oil filler cap.
- Install the rubber cap on the bottom.
- Close the oil filler cover.
Tools required
- Oil pan Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Engine oil quantity: 0.6 L (0.53 Imp qt, 0.63 US qt)
- Drain bolt torque: 17 N•m (1.7 kgf•m, 12 lbf•ft)
- Recommended oil: YAMALUBE 4 (10W-30 Amazon eBay $54.99) or SAE 10W-30 Amazon eBay $54.99 type SE motor oil
Source: Yamaha owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.