This is a very helpul and hard to find engine oil seal kit for the now vintage Yamaha 250 cc 2-Stoke models: DT1, 1B, 1C (1968, 1969, 1970) DT1E (1971) DT1E/ MX (1971, DT2 (1972) DT2 (1973). This is a new 6 pc engine oil seal kit:  both Crank seals, primary drive (sprocket) output shaft seal, shift, seal, clutch pushrod seal and kicker seal. New seals that will seal up your engine perfectly not 40 year old seals. You and your bike will be happy!  This is one of the best sets out there...main crank seals double lipped with garter springs (as shown in photos) We only sell the best! This is an essential item if you are riding, racing or restoring one of these cool vintage Yamaha's!  That's is it!  Back to the garage for us!  We look forward to doing business with you!