CTC YAMAHA TY250/350 MONO 84-92 STEERING STEM CASTLELATED TOP NUT 90179-25004

Here we have a CTC Yamaha TY250/350 mono 84-92 steering stem castlelated nut 
This has been remanufactured to the original Yamaha specifications using aerospace grade aluminium. The original steel castlelated nut weighs 37g, this aluminium version weighs 13g