High Performance Ignition Coil x2: Yamaha XS1100 XS 1100 (1978-1981) Kawasaki GPZ600 To replace OEM: 21121-1268 or

To replace OEM: 21121-1268 or 21121-1300

If you're having spark issues (weak spark or no spark) with your Yamaha YP250

Outputs / Connectors: Dual / 2 HT outputs for 7mm to 8

Yamaha XS 650 (1975-1981)

High Performance Ignition Coil x2: Yamaha XS1100 XS 1100 (1978-1981) Kawasaki GPZ600 To replace OEM: 21121-1268 or2 Brand New High Performance Ignition Coils to fit: Yamaha XS 1100 (1978 1980). Yamaha XS 1100 Martini (1979). Yamaha XS 1100 Sport (1981). This ignition coil set has been manufactured to upgrade original standard coils or replace Dynatek coil packs on a Yamaha XS1100 for the years and models shown above. If you have a weak spark on your Yamaha XS1100 then the coils could be the culprit and it's a good idea to get some new coils on the bike. Or if