Big Bore Cylinder Barrel Kit: Yamaha YQ50 YQ 50 (1998-2009) Honda TLM50 The TDM850 head stock bearings

The TDM850 head stock bearings are taper roller style as shown in the picture

If you have a weak spark on your Yamaha FZS1000 then the coils could be the culprit and it's a good idea to get some new coils on the bike

This set of head stock bearings are taper roller style bearings that have been manufactured to replace the original set of steering bearings 93399-99931 and 93399-99932 on a Yamaha TRX850 for the years and models shown above

This ignition coil has been manufactured to replace the original coil pack on a Honda XRV750 for the years and models shown above

Big Bore Cylinder Barrel Kit: Yamaha YQ50 YQ 50 (1998-2009) Honda TLM50 The TDM850 head stock bearingsBrand new big bore cylinder barrel kit to fit: Yamaha YQ 50 Aerox (1998 2009). This cylinder kit has been manufactured to upgrade the original top end on a Yamaha YQ50 to 70cc for the years and models shown above. The kit includes the cylinder barrel jug, head, piston kit and gaskets. To upgrade from 50cc to 70cc.