Yamaha EF1000iS / EF6300iSDE — Drain the fuel (storage prep)
Maintenance · Fuel system
For the Yamaha EF1000iS / EF6300iSDE, from the Yamaha owner's manual.
Before you start
- Fuel is highly flammable and poisonous
Procedure
- Turn the engine switch to STOP.
- Remove the fuel tank cap and extract fuel using a handsiphon; install the cap.
- Turn the fuel cock knob to ON.
- Start the engine and let it run until it stops (~20 minutes).
- Remove the front cover screws.
- Drain remaining fuel from carburetor float chamber drain screw.
- Tighten the drain screw.
- Turn the engine switch to OFF.
- Turn the fuel cock knob to OFF.
- Install the front cover and tighten the screws.
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.