VALVE SHIM TOOL FOR YAMAHA 1100 850 750 XJ550 650 XS - EQUIV TO YM-01245. Part of the Laser range of tools for Motorcycles Designed to adjust valve clearance on twin cam models Equal to Yamaha YM-04125 and Suzuki 09916-64510 Application: For use on all Suzuki 4 stroke models fitted with top shim type valve tappets.