Hoca Honda Ruckus Main Jet Hoca Main Jet for the Honda Ruckus. Please select jet size #72 - #95 from the drop down menu. Honda Ruckus Main JetAvailable Sizes: #72, #75, #77, #80, #81 #82, #83, #84, #85, #86, #87, #88, #89, #90, #92 and #95Thread Size: M7x0.75Overall Length: 8.6mm Please Select Jet Size from the Drop Down Menu