Xterra Xt900 Treadmill Manual =link= -

Your XT900 may feel "off" – a 6 km/h pace might feel like 8, or the incline doesn't return to zero. The manual doesn't tell you how to fix this. Here's the secret:

Regular maintenance is essential to extend the lifespan of your Xterra XT900 treadmill and ensure optimal performance. The manual provides guidance on: xterra xt900 treadmill manual