Honda ST90 SL90 ALL YEARS. Honda SL70 XL70 CL70 ALL YEARS. Honda US90 ATC90 ALL YEARS. WITH THIS TYPE INSULATOR YOU WON'T NEED ANY PAPER GASKET, BECAUSE YOU WILL HAVE THE CARB'S FRONT O-RING AGAINST THE SMOOTH SIDE OF THIS,, THEN THE OTHER SIDE WITH O-RING AGAINST THE SMOOTH SIDE OF THE MANIFOLD/PIPE.
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