It contains data for each models on the Dimensions of the Tire sizes

1970 RT1M - Fuel Tank

1977 YZ125D - Rear Wheel Yz125c

Harley-Davidson  1981  V-Twin Motorcycles  Sales Brochure  #27

YAMAHA  Shifter Fork #2  OEM # 1M1-18512-00   NOS  New Old Stock

YAMAHA RD SR TX TZ XS1 XS2 XVZ Master Cylinder Bracket 1J3-25867-00 / 360-25867-00 Harley Davidson Sales Brochures & Advertizements It contains data for eachYAMAHA Master Cylinder Bracket Clamp OEM Ref. # 1J3 25867 00 360 25867 00 NOS New Old Stock. SB136 B SB142A Fits the following models: 1970 XS1 Master Cylinder Caliper (Xs2) 1970 XS1 Master Cylinder Caliper (Xs2) 1971 XS1B Master Cylinder Caliper (Xs2) 1971 XS1B Master Cylinder Caliper (Xs2) 1972 XS2 Master Cylinder Caliper (Xs2) 1972 XS2 Master Cylinder Caliper (Xs2) 1973 RD250 Master Cylinder Brake Hose Rd250b 1973 RD350 Master Cylinder Brake Hose