Ignition Coil: Honda CB1100 CB 1100 (1981-1982) Suzuki UX150 It replaces either 21121-1137 or

It replaces either 21121-1137 or 21121-1138

If you're having spark issues with your YFM 125 then it's a no brainer to get a new coil on there

This will fit various models of the SX50 such as pro

Suzuki RF 600 R (1993-1997)

Ignition Coil: Honda CB1100 CB 1100 (1981-1982) Suzuki UX150 It replaces either 21121-1137 orBrand new ignition coil to fit: Honda CB 1100 R (SC05) (1981). Honda CB 1100 R (SC08) (1982). This ignition coil pack has been manufactured to replace any of the original coils on a Honda CB1100 for the years and models shown above. To replace OEM: 30500 422 003. It has 100mm mounting points and 2 spade connectors. This coil is a direct replacement for the original coils with 2 to 2. 5 ohms primary resistance.