About this document

StreetJam OTA-R31 Pulley Calculation Guide by z4ja is a document available to read on EtoBox.

This document provides instructions and calculations for selecting pulley sizes for a Streetjam OTA-R31 Ketsukaki pulley system. It lists the standard pulley sizes and shows the user how to select replacement pulley sizes by filling in orange boxes while adhering to belt length requirements in pink boxes. The results of the pulley size selections are then displayed in light blue boxes, including calculations for internal drive ratios, counter steer ratio, overdrive percentage, and final drive ratio.

Author

z4ja

Language

EN