Description:

Replaces OEM Parts: Honda 16100-MEN-671. Compatible with: Honda 2004 CRF450R. Main Jet Installed: 170; Main Jet Spares: #165, #175,#180, #185; Pilot Jet Installed: 48; Pilot Jet Spares: #45, #52,#55, #58; Air Jet Installed: None. Input Port Size OD: 49mm; Input Port Size ID: 40mm; Output Port Size OD: 55mm; Output Port Size ID: 44mm. Center Hole to Center Hole: None; Choke is Manual Operation; Bowl Heater Included? No.