Naraku Standard 835-20-30 CVT Drive Belt 20 x 15 it almost certainly uses these

it almost certainly uses these SP2613-Y slides to guide the ramp plate Technical Specifications

all versions

Razor MX500 (all versions)

This engine rebuild bearing kit contains the following bearings:

Naraku Standard 835-20-30 CVT Drive Belt 20 x 15 it almost certainly uses theseThe Naraku 835 20 30 CVT Drive Belt is an OEM spec replacement for long case GY6 125cc and 150cc scooters with 12 inch or 13 inch rear wheels. Manufactured to precise 8352030 dimensions, it delivers reliable power transfer and consistent CVT performance as a direct drop in replacement with no modifications required. Key Features OEM Spec Dimensions: 835mm length, 20mm top width, 30 groove angle matches factory belt specifications. Long Case GY6