This Specbolt 250 piece kit will save you many trips to the dealership for that special OEM fastener needed for all liquid cooled Yamaha YZF four Stroke models. This includes YZF250 YZF400 YZF426 and YZF450. Your Bolt Kit will include just the right amount of factory match flange bolts, wide flange bolts for radiator shrouds (OEM matching), 2 chain adjuster bolts, full set rear sprocket bolts, 6 fork guard bolts, flange nuts, lock nuts, sealing washers, fender washers, Philips screws, Allen bolts, and more. Most everything you need to perform basic maintenance and upkeep to your Motorcycle. Assortment of bolts used for plastic, fenders, bodywork, fork guards, rear sprocket, chain adjusters, engine, frame, seat, fuel tank, controls, carburetor, exhaust, pipe, silencer, radiators, handlebars, swing arm components, skid plates, and more. These fasteners meet or exceed quality standards of your machines originals. A perfect addition to the racers tool kit and a must have for the do-it-yourself mechanics.