Can anyone recommend something to spray/paste on to remove carbon from tricky areas (EGR valve!) which won't like scraping?
I have used the time-honoured aluminium scraper for a quarter of a century, on everything from a Puch Maxi moped to a Triumph Bonneville, but some things can't be scraped, I guess.
Rob
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Rob,
I use carb cleaner and a toothbrush to do this type of cleaning job.
David W
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Spray de-coker seems to disolve carbon.
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