Technics turntable

[malc14]

Hi I have a sl~b202 I am having trouble getting it to keep at the correct speed it speeds up then slows down at times . It has a new belt and cartridge fitted it has also been cleaned with white spirit on spindle.I am at a loss what to do next any advice thanks

 

[greenhorn]

Have you used deoxit/a good contact cleaner spray on the selection switch and pitch controls