Z1 Enterprises is the leading destination for Yamaha YZ450 Engine Components. With a large inventory of vintage motorcycle parts and same day shipping in the continental US, we can assure that all your Yamaha YZ450 motorcycle needs will be met here.
Adapter Plate - Petcock - 34mm to 3/8 inch NPT - Chrome - Pingel
$45.95
Breather Filter - Engine - 1/2 inch Inlet - 1 1/2 inch Dia - Black - Red - UNI
$20.95
Breather Filter - Engine - 1/2 inch Inlet - 1 1/2 inch Dia - Push inch - Black - Red - UNI
Breather Filter - Engine - 3/8 inch Inlet - 1 3/8 inch Dia - Chrome
$21.20
Breather Filter - Engine - 3/8 inch Inlet - 2 inch Dia - Silver - Rubber Cap
$14.07
Breather Filter - Engine - 5/16 inch Inlet - 1 1/2 inch Dia - Black - Red - UNI
Breather Kit - Engine - 3/8 inch Inlet - 2 inch Dia - Chrome
$22.68
Cam Chain - 122 Link - KX450F - 2009-2018 - YZ450F - 2010-2019
$63.95
Drain Plug - Magnetic - YZ125 - YZ250F - YZ450F - Moose Offroad
$17.95
Feeler Gauge - Tappet - 0.002 inch and 0.003 inch
$6.46
Feeler Gauge - Tappet - 0.004 inch and 0.005 inch
Feeler Gauge - Tappet - 0.006 inch and 0.008 inch
Gasket - Cam Chain Tensioner - OEM - FJ1100 - XT350 - XVS1100
$9.49
Gasket - Clutch Cover - CRF450R - CRF450X - WR450F - YZ250 - YZ450F - Athena
$9.94
Gasket - Clutch Cover - Inner - YZ450F - 2010-2013 - Athena
$28.95
Gasket - Generator Cover - YZ450F - 2010-2013 - Athena
$14.95
Gasket - Valve Cover - YZ450F - 2010-2019 - Athena
$29.95
Gasket Kit - Complete - YZ450F - 2010-2013 - Athena
$224.95
Gasket Kit - Top End - YZ450F - 2010-2013 - Athena
$101.95
Gasket Kit - Water Pump - With Bearing - YZ450F - 2010-2013 - Athena
$41.95
Gauge - Oil Pressure - 1-3/4 inch dia - 1/8 inch NPT - Black
$55.99
Gauge - Oil Pressure - 1/8 inch NPT - Black Face - Universal
$34.95
Hone - Valve Guide - 4.50mm
$38.96
Hone - Valve Guide - 5.50mm
Oil Filter - Cartridge - YZ250F - 2009-2025 - YZ450F - 2009-2025
$4.79
PCV Reed Valve - Crankcase Breather
$34.99
Radiator Cap - Japanese Offroad - With Temperature Gauge - Fire Power
$62.95
Spanner - Clutch Hub - 20mm ID - 3/8 Inch Drive - Honda - Motion Pro
$11.99
Tappet Adjusting Set - 8mm - 9mm - 10mm
$61.14
Valve Lapping Paste - Permatex - 3oz
Valve Lapping Set - Universal
$11.15
Valve Shim - 9.5mm - 1.20mm-3.50mm - Honda - Kawasaki - Suzuki - Yamaha
Valve Shim Changing Tool - OEM Type - KZ900 - KZ1000 - KZ1100 - Z1
$81.18
Valve Shim Kit - 29mm Diameter - 2.30mm-3.10mm - Pkg 20
$116.97
Valve Shim Kit - 9.5mm Diameter - 1.35mm-1.80mm - Pkg 50
$241.41
Valve Shim Kit - 9.5mm Diameter - 1.85mm-2.30mm - Pkg 50
Valve Shim Kit - 9.5mm Diameter - 2.30mm-2.75mm - Pkg 50
$241.29
Valve Shim Kit - 9.5mm Diameter - 2.60mm-3.05mm - Pkg 50
$224.45
Washer - Crush - Copper - 6mm x 10mm x 1.0mm - Pkg 10
$12.60
Washer - Flat - Copper - 10mm x 22mm x 1.5mm
$1.26
