Check the Negative (-) terminal clamp is tight
Check the Positive (+) terminal clamp is tight. CAUTION If using a spanner to tighten the terminal, be careful not to short it on the bodywork
Check the battery is generally secure. If loose, tighten the battery retainer
Tighten the retainer, if required, using a 13mm socket. Do not over-tighten as you may damage the battery casing
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