“TESTED AND GUARANTEED CERTIFICABLE KM” COMPLETE ENGINE BLOCK 4TV YAMAHA THUNDERCAT 600 YZF 600 R 1997-2004 32 THOUSAND KM. EVERY ADDITIONAL AND CONSUMABLE COMPONENT IT IS CONSIDERED FREE ENGINE TESTED FOR 5 KM AT SPEED 80 TESTED UP TO THE THIRD GEAR AFTER WHICH GEARS SKIP CLUTCH/ENGAGEMENT PROBLEM RECOMMENDED TO REPLACE WITH YOUR OWN YES JUST CONSIDER BLOCK CHECK ALL ACCESSORY COMPONENTS.