Yamaha EF1000iS — Draining the Fuel
Maintenance · Fuel system
For the Yamaha EF1000iS, 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 into an approved container, install the tank cap
- Turn the engine switch to ON
- Turn the fuel cock knob to ON
- Start the engine and let it run until it stops (approx 20 minutes)
- Remove screw and cover
- Drain fuel remaining in carburetor via drain screw on float chamber
- Tighten the drain screw
- Turn the engine switch to OFF
- Turn the fuel cock knob to OFF
- Install cover and tighten screw
- Tighten any loose screws, bolts, nuts
- Store the generator in a dry, well-ventilated place, covered
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.