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
The battery retaining clamp position
Tighten if required, using an 8mm socket. Not too tight as you may damage the battery casing
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