Yamaha EF1000iS / EF4500iSE — Battery preparation
Installation
For the Yamaha EF1000iS / EF4500iSE, from the Yamaha owner's manual.
Before you start
- Electrolyte is poisonous and dangerous, contains sulfuric acid causing severe burns.
- Batteries produce explosive hydrogen gas.
Procedure
- Remove screws and pull out rear cover.
- Remove wing nuts and battery plate, remove battery.
- Fill battery with electrolyte per instruction sheet.
- Connect positive lead (red) to positive (+) battery terminal.
- Install battery onto tray; install battery plate and tighten wing nuts.
- Connect negative lead (black) to negative (-) battery terminal.
- Install rear cover and tighten 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.