Wassell Degree Timing Disc.
Motorcycle oil resistant white plastic card degree timing disc.
Disc diameter 190mm. With Compression ratio and cylinder packing thickness graphs.
Click the link to my shop for other Motorcycle special tools for; BSA, Triumph and Norton Motorcycles, and other Classic Motorcycle and Lucas items.
Wassell Degree Timing Disc. Motorcycle oil resistant white plastic card degree timing disc. Disc diameter 190mm. With Compression ratio and cylinder packing thickness graphs. Click the link to my shop for other Motorcycle special tools for; BSA, Triumph and Norton Motorcycles, and other Classic Motorcycle and Lucas items.