4x NGK BPR8ES Spark Plugs For Yamaha XJ900F/S 1983-1994 (900cc) – OEM Spec

Time for a tune-up on your old Yamaha XJ900?

These NGK BPR8ES plugs are exactly what the doctor ordered.

Fits the XJ900F and XJ900S models from 1983 right through 1994.

You get four plugs—enough for a full swap.

They’re made in Japan by NGK, so you know they’re quality.

Part number 3923 if you’re cross-referencing.

Fresh plugs mean smoother starts, better throttle response, and maybe even a little better gas mileage.

If your XJ is feeling sluggish or hard to start, start here.