A forum for owners of Yamaha TTR250 trail and enduro bikes!

Over the years I have come across many wheel rims that have corroded on the inside next to where the tube valve and/or rim lock fits. Water (and maybe even salty water in the winter) gets in and starts the corrosion.

The best way to prevent this happening is quite simple. Fit seals to the tube valves and a rim lock nut with a washer shaped to the wheel rim.

I have just updated the wheels on my current project bike with these - see the photos below.

Valve seals  and rim lock nut and washer sets available from the Totally TTRs shop - see https://totallyttrs.com/epages/699105d9-e4cc-4b32-b236-84e72cd67f84.sf/en_GB/?ObjectPath=/Shops/699105d9-e4cc-4b32-b236-84e72cd67f84/Categories/Shop/Wheels_Tubes__Rimlocks

The Schrader valve fitted in the last photo is also useful to have as it gives a really good seal on the valve stem and has a slot in its top to use when removing/replacing the valves - see here.

Brian