Description
YAMAHA FS1-E, FS1, SS 1972-76 IGNITION TIMING BACK PLATE (BARE) 119mm Diameter x 9.1mm Thick
Mounting Hole Centres 103mm
Raised Coil Mounting Radius 80mm
Backplate has a stepdown so top part is 119mm then 113.7 recess Diameter (see side on picture)
**MAKE SURE YOU HAVE THE THICK BACK PLATE BEFORE ORDERING**