Dynojet Q421 - ATV Jet Kit for 2004-2005 Yamaha YFZ450 Catch_KYD0 Module / primary service number:

Module / primary service number: 20964306

Part number: 8U7A-12A650-EAA

Catch code: YBM1

Part number: FJ7A-12A650-UF

Dynojet Q421 - ATV Jet Kit for 2004-2005 Yamaha YFZ450 Catch_KYD0 Module / primary service number:The Dynojet ATV Jet Kit for 2004 2005 Yamaha YFZ450 is an application specific carburetor jet kit for riders working with a carbureted setup. It is a practical option when the bike needs fueling changes to match intake, exhaust, altitude, or general drivability needs. Why It Matters Supports carburetor fuel metering changes on compatible applications Useful when intake or exhaust changes require a better matched setup Vehicle specific selection keeps