FITTED WITH OIL SEALS; 1960-09/1963,
This part includes:
Oil seal 97-1168 and Alloy sleeve 97-1196
This system was used on Triumph till Sept. 1963, after which was external springs.
This information comes from the original drawings from Triumph.
Illustrated Catalogue of Spare Parts for AJS 1960,Copy
350 Model 16 Touring Single 350 Model 16C Trials Single 500 Model 18 Touring Single 500 Model 18CS Moto-Cross Single 500 Model 20 Touring Twin, A-C Generator 650 Model 31 Touring Twin, A-C Generator 650 Model 31 Déluxe Touring. Twin, Magneto 650 Model 31CS Moto-Cross Twin 650 Model 31 CSR Sports Twin