Check the spark plugs and if necessary, re-gap them to 0.65-0.7mm - chances are if a previous owner changed them at all they just whacked them in straight out of the box and most plugs (certainly NGK) come with a factory-set 0.9mm gap which would be the equivalent of at least 20k miles use.
On a cold engine any ignition maladies are made more obvious because a weak mixture (even allowing for the cold running enrichment) is harder to fire.
Also check the dizzy cap, particularly the carbon brush inside as these have a habit of breaking off.
May also be worth investing in a new set of HT leads considering the past month or so has been incredibly damp..........
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Cheers
Dave
Next Door to Top-Gun with a Honda CR-V & S Type Jag Volvo gone but not forgotten........
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