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Best Spark Plug for Bantam?

sameagle
in Pre-65 Bikes

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Last Autumn, I took to falling off a Bantam, instead of falling off my usual ride.

The engine is a 1970 D7, haven't a clue what the frame is, but I'd like some advice with the spark plug, please.

The engine is fitted with an NGK BP7ES, and a "Rooster Booster", and it seems to be running OK, but does anybody know if this is the correct plug?

If anybody has knowledge of frame numbers, by the way, mine is D13266, any pointers towards when it was made would be gratefully received.

John

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    • Author

    I've now found information about the plug, thank you, but would still appreciate a bit of info regarding the age of the frame.

    John

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    • 1 month later...

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