Very close Dave, its a CBR250RR MC22. Just the engine is for the new project, a Honda RC163 Hailwood / Redman Replica. The RC161 - 164 models were the Honda GP Works Racers of the 1960's. They had a 250 cc 4T air cooled engine, and the CBR250 engine is the closest lump you can get for a Replica Project.



But no more talk of 4 Strokes, at least in this section
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Rich
MC21 Track Bike / RS250 NF5 'Spencer', NX5 'Cadalora' & NXA 'Aoyama' / RS500 / Two Brothers Racing RC30