Honda MSX Grom 125 (2021–2023) Scorpion Exhaust Red Power Slip on Black Ceramic Carburettors poor air tightness must be CUP359 A poor air tightness must be accepted Has a good amount of 'meat' on the inlet for additonal tuning ported engine Honda MSX Grom 125 (2021–2023) Scorpion Exhaust Red Power Slip on Black Ceramic div> Since starting production of their own motorcycles in the mid 1950’s Honda have grown to be one of the largest two wheel manufacturers in the world The formation of Honda Racing Corporation (HRC) in 1982 saw them debut their first two stroke race bike the NS500 which went on to win the Grand Prix world championship in 1984 and since then Honda has been a dominant force in Grand Prix racing winning numerous championships and heads the number of wins at the TT