Firstly, open the battery cover
Check the Negative (-) terminal clamp is tight
Check the Positive (+) terminal clamp is tight. CAUTION – if using a spanner to tighten terminal, be careful not to short the spanner on the bodywork. Replace cover
Check battery is generally secure, if loose, tighten the battery retainer
Tighten if required, using a 13mm socket. Not too tight as you may damage the battery casing
Replace the battery cover
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