French engine masters RB Products have unveiled their latest offerings for the budget end of the market; the RB Sport 10 engine; available in normal and pullstart variations. The SP10 as it'll be known will replace the J9 and H9 engines. The engine is a 3 port with 14mm crankshaft with a re-designed cooling head, and is packaged in a nice box with a set of stickers and protective caps Spec Check:
