If you're having spark issues with your TDR125 then it's a no brainer to either replace or upgrade the original coil
the bottom is 10mm (You may need to change these to the required sizes)
4KJ-82310-00
1 connector and 1 HT lead with plug cap
Suzuki GSX 1300 B-King (2008-2010)
Chrome Rear Shock Absorbers: Honda CB750 CB 750 (1969-1978) - 335mm Suzuki DR125 If you're having spark issuesBrand new set of chrome rear shock absorbers to fit: Honda CB 750 K (SOHC) (1969 1978). Honda CB 750 F (SOHC) (1975 1978). This set of rear shocks is designed to replace the original factory shocks shockers on a Honda CB750 for the years shown above. The models are: K0, K1, K2, K3, K4, K5, K6, K7, F, F1, F2 & F3. It has 335mm pin fork mounting points and a 100mm shroud. The top pin bush is 15mm, the bottom fork is 10mm M10 thread. (You may need to