Yamaha WR 450 F (2003-2019) 9.48mm Diameter Valve Shim in Sizes 1.20 - 3.50 x1pc

Made from 4140 cold rolled steel for durability and machined to tight tolerances for accurate setting of your valve clearances.

A must for any 4-stroke owners toolbox and to ensure your valvetrain is maintained in perfect working order for maximum power and performance.


This advert is for one shim of any size from 1.20mm through to 3.50mm stepping up in 0.05mm increments

Available in: 1.20, 1.25, 1.30, 1.35, 1.40, 1.45, 1.50, 1.55, 1.60, 1.65, 1.70, 1.75, 1.80, 1.85, 1.90, 1.95, 2.00, 2.05, 2.10, 2.15, 2.20, 2.25, 2.30, 2.35, 2.40, 2.45, 2.50, 2.55, 2.60, 2.65, 2.70, 2.75, 2.80, 2.85, 2.90, 2.95, 3.00, 3.05, 3.10, 3.15, 3.20, 3.25, 3.30, 3.35, 3.40, 3.45 and 3.50mm

If you required more than one shim simply increase the quantity before checkout and then just tell us (when making payment or message us) the various sizes you require and quantity in that size.


PLEASE NOTE : Due to these items being precision machined we cannot accept returns. In purchasing these items from us you understand and agree to these terms of sale. If not please purchase elsewhere.


We can also supply NEW: piston kits, gasket sets, small end bearings, main bearings, conrod kits, complete crankshafts, oil seal kits, billet clutch baskets, clutch plate/spring kits, clutch hubs, clutch spring pressure plates etc £POA