Mikuni - Carburetor Jet (4/042-190) K-Type-Open-Face Helmets Perforated synthetic leather accordion to

Perforated synthetic leather accordion to optimize the knuckle protector position

Kawasaki KX 250F 2020-2023 Suzuki RM-Z 250 2019-2023 Yamaha YZ 250F 2014-2023 Yamaha YZ 450F 2014-2023

no more struggle to hold the screw with the second hand

chains and sprockets Formulated to reduce drag and provide a quieter and smoother shifting experience while providing outstanding grip for wet clutches

Mikuni - Carburetor Jet (4/042-190) K-Type-Open-Face Helmets Perforated synthetic leather accordion toCarburetor jet available slot large head style (Needle) or hex head style (Main). All jets are flow calibrated and extremely accurate in terms of fuel flow rate as stamped.