This Specbolt 250 piece kit will save you many trips to the dealership for that special OE fastener needed for all vintage Yamaha YZ IT DT MX Two Stroke models. This includes pre 1990 YZ80 YZ125 YZ250 YZ400 YZ465 YZ490 IT125 IT175 IT200 IT225 IT250 IT400 IT465 IT490 and even DT MX and GT models. Your Bolt Kit will include just the right amount of factory match flange bolts, 2 chain adjuster bolts, sprocket bolt kit, flange nuts, lock nuts, sealing washers, fender washers, Phillips screws, Allen bolts, cotter pins, and more. Most everything you need to perform basic maintenance and upkeep to your Motorcycle. Assortment of bolts used for plastics, fenders, bodywork, rear sprocket set, chain adjusters, engine side covers and nuts, misc. frame, seat, most fuel tank, controls, carburetor, exhaust, pipe, silencer, 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. Also available in 120pc and 250pc sizes.