I bought this spark plug cleaner about a year ago and highly recommend it. I have not bought a spark plug since then. I have a Harley and a CB77 and clean the plugs every 500 miles. It will pay for itself in less than a year. You will need to have an air compressor, but other then that it comes with everything.
http://search.harborfreight.com/cpisear ... &Submit=Go
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Latest Registry Entry
1965 Honda CP77 — Ulsan Metro City, Rep. Korea
Restored with original parts — Owner: J. Doe