Anyone that runs a 9 in a racebike is a complete Wally - the NSR250 road bike runs this heat range, does this indicate something ?
Honda RS125 ended up with 10.5 as whenever they got tuned to the edge the plug would overheat and sag the piston centre, does this indicate something ?
All this is helped by cooling the plug thread effectively, but nothing will save you if running a 9 on purpose - SToP IT. NoW.
Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.
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