This Specbolt 150 piece kit will save you many trips to the dealership for that special OE type fastener. This kit fits 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 flange bolts, wide flange bolts for radiator shrouds, 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 machine's originals. A perfect addition to the racer's tool kit and a must have for the do-it-yourself mechanics.