W Series
Maintenance
Oil change
1. Unscrew the oil bung
2. Undo the oil drain plug and drain the oil
3. Install and tighten the oil drain plug
4. Add 10W-40 semi synthetic oil to the upper
limit of the filler hole
5. Install the oil bung
Spark plug
1. Remove spark plug cap and unscrew the spark
plug using the supplied tool.
2. Carefully clean any carbon build-up on the tip.
3. Check the gap using a gauge. The gap should be
between 0.7-0.8mm.
4. Adjust as necessary then reinstall the plug and
cap taking care not to cross-thread the spark
plug.
© Böhmer-AG
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