248-23115-00 / 248-23115-01-00. This part is no longer available from Yamaha. It has been discontinued. This is sold individually, as one piece. This part originally came on the following models:1969 Yamaha AT1E1969 Yamaha AT1M1969 Yamaha CT11970 Yamaha AT1B1970 Yamaha AT1BM1970 Yamaha CT1B1971 Yamaha AT1C1971 Yamaha CT1C1972 Yamaha AT21972 Yamaha CT21973 Yamaha AT31973 Yamaha CT31974 Yamaha DT100A1974 Yamaha DT125A1974 Yamaha DT175A1975 Yamaha DT100B1975 Yamaha DT125B1975 Yamaha DT175B1976 Yamaha DT100C1976 Yamaha DT125C1976 Yamaha DT175C This part is a new reproduction of the original. The originals have deteriorated with time, as they are 50+ years old. The part number is used for reference purposes only and no source of manufacture or supply is implied. The price includes sales tax. If you want additional insurance coverage, contact me before ordering. If you do not purchase insurance, I am not responsible for mis-delivered packages, lost packages, or shipping damage.

This listing is for X 2 each, Exhaust Cylinder Studs. These parts are no longer available from Yamaha. They has been discontinued. These parts are a new reproduction of the original. The originals have deteriorated with time, as they are very old. The part number is used for reference purposes only, and no source of manufacture or supply is implied. The price includes sales tax. If you want additional insurance coverage, contact me before ordering. If you do not purchase insurance, I am not responsible for mis-delivered packages, lost packages, or shipping damage. Fits the following models:Part # = 90116-06146-00Part Description = BOLT,STUD 3921465100DT100A 1974 100 DT100 Dual Purpose DT100B 1975 100 DT100 Dual Purpose DT125A 1974 125 DT125 Dual Purpose DT125B 1975 125 DT125 Dual Purpose DT175A 1974 175 DT175 Dual Purpose DT175B 1975 175 DT175 Dual Purpose DT250A 1974 250 DT250 Dual Purpose DT250B 1975 250 DT250 Dual Purpose DT250C 1976 250 DT250 Dual Purpose DT360A 1974 360 DT360 Dual Purpose DT400B 1975 400 DT400 Dual Purpose DT400C 1976 400 DT400 Dual Purpose TY250A 1974 250 TY250 Trials