Performance Ignition Coil Kawasaki GPZ1000 GPZ 1000 (1986-1988) Aprilia SX125 These VLR1800 headstock bearings are

These VLR1800 headstock bearings are taper roller style and the sizes are as follows:

High performance by producing a better spark and also more efficient burning of fuel

If you're having spark issues with your CW50 or you're just looking for an improved spark

To replace OEM: 21121-0042

so why buy a used one when aftermarket RD500 coils are available at this price

Performance Ignition Coil Kawasaki GPZ1000 GPZ 1000 (1986-1988) Aprilia SX125 These VLR1800 headstock bearings areBrand new 12V CDI ignition coil to fit: Kawasaki GPZ 1000 RX (ZX1000) A1 A3 (1986 1988). The ignition coil has been specifically designed to upgrade the original coil on a Kawasaki GPZ1000 which runs with the ZX1000 engine. It replaces either 21121 1137 or 21121 1138. It has 100mm mounting points and 2 spade connectors. This coil is made to exceed OEM standard and you will not be disappointed with the quality of it. You will no longer need to run a