Reply to "New Vintage Speedster owner with engine question"

WOLFGANG'89 CMC FWB, FL Supporting Member

Not sure what RMM stands for but 1914 cc is the displacement of an engine with stock 69mm crank and bored out for 94mm piston and cylinders.

Stock (old) heads took plugs with threaded 1/2" reach - new style heads take 3/4" reach plugs. Plus can be 14mm or 12mm too

Nice having displacement and cam model!

10/22/218:37 PM

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