Yamaha EF1000iS — Starting the Engine
Operation
For the Yamaha EF1000iS, from the Yamaha owner's manual.
Procedure
- Turn the economy control switch to OFF
- Turn the air vent knob 1 turn counterclockwise to open the fuel tank air vent
- Turn the fuel cock knob to ON
- Turn the engine switch to ON
- Pull the choke knob fully out
- Pull slowly on the recoil starter until engaged, then pull briskly
- Warm up the engine until it does not stop when choke knob returned
- Push the choke knob back to original position
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.