P3-24 pitch instability

There is something wrong there. I hope you can get it corrected.

What Rega used(?) to recommend for pitch instability was cleaning out the bearing well and then placing 2 DROPS ONLY of 80/90w gear oil into the bearing well.It should then run at the correct speed.Spin the hub to make sure the oil is spread properly.Good luck! If this doesn't work there are other tweaks you can try but do the above first.

Here is the "official" way to do the above.I originally posted this a few years ago...... Rega's official recommendation for lubrication.> Cleaning Hub/Bearing
> 1. Undo hub nut and remove washer. Remove hub/bearing from turntable. As the brass bearing bush is designed to fit tightly in the plinth, gentle tapping on the base of the bearing bush with a plastic hammer may be necessary. (We advise that this is not done in front of the customer!)
> 2. Slowly withdraw the hub from the brass bearing bush, (if the hub is pulled out quickly the ball bearing may inadvertently be sucked out and lost). Remove ball bearing by turning the bearing bush upside down and tapping sharply.
> 3. It is important that both the hub spindle and the inside of the bearing bush are cleaned and degreased thoroughly. This is best done using a solvent cleaner containing 1.1.1. trichloroethane which is available from R.S Components Ltd. A small amount of this can be poured into the bearing bush, and with a finger placed over the hole, shaken thoroughly and poured out. To clean the spindle apply the solvent to a piece of lint-free cloth or kitchen paper. Wipe both spindle and the ball bearing with same and replace.
> 4. Fit the hub back into the bearing bush and spin to check that it is running freely. If its not, return complete assembly to Rega
> 5. If all is well, remove hub from bearing bush then tilt the bearing bush and place two drops of Comma Hypoid EP80, Castrol EPX80w/90 or Shell Spirax EP90, as recommended, in the position as illustrated. Do not use more than two drops.
> 6. With the bush still tilted, slide hub (without twisting) back into bearing bush. This method should ensure a release passage for trapped air.
> 7. Spin hub to evenly distribute oil and refit into turntable. Replace washer and tighten nut firmly, using an adjustable spanner or Rega tool, to approximately 5Nm, (a full explanation of this torque can be found on Explanation of torque)
> IMPORTANT
> It is essential that the recommended oil is used as any other lubricant will break down under pressure, causing wear. It is available from most car accessory shops or from Rega, free of charge.
> Degreasing: RS Components stock a solvent cleaner containing 1.1.1. trichloroethane which is suitable for degreasing the hub/bearing assembly and lift lower assembly. Please note warning on solvent tin....There is also the electrical tape trick....

Sorry to say, but now that we know you bought it used, I tend to agree with the others that it was probably sold because of the problem you're having, and that the motor needs to be replaced. Maybe the seller will split it with you. The good news is, a new motor is only around $100.