# AK 550 Tool Kit

> Drive Belt Tension Measurement App for Kymco AK550.

Canonical page: [https://chrome-stats.com/d/com.SI.Ak550ToolKit2](https://chrome-stats.com/d/com.SI.Ak550ToolKit2)

## Overview

- **ID:** `com.SI.Ak550ToolKit2`
- **Platform:** Android
- **Type:** Android app
- **Status:** Removed
- **Publisher:** Soluzioni Ingegneria
- **Category:** TOOLS
- **Downloads:** 131
- **Version:** 1.0
- **Last updated:** 2022-01-10
- **First published:** 2022-01-10
- **Data as of:** 2025-09-29
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.SI.Ak550ToolKit2)
- **Website:** [http://www.si-ita.it/en/](http://www.si-ita.it/en/)
- **Privacy policy:** [https://www.si-ita.it/download/SI-ITA-Informativa\_APP\_rev3.pdf](https://www.si-ita.it/download/SI-ITA-Informativa_APP_rev3.pdf)

## Description

PROCEDURE<br>1) remove the lower belt guard<br>2) position the mobile phone so that the microphone is very close to the strap, in the center of the lower span<br>3) press the START button<br>4) in 10 seconds, pinch the belt in the middle of the lower span several times (3-4 times)<br>5) at the end, the measured voltage is reported in newtons ([N])<br>6) if necessary, reposition the mobile phone, press the RETRY button and repeat from step 4<br><br>For more detailed information see the &quot;Video tutorial&quot;.<br><br>Make sure to carry out each operation in compliance with the safety regulations and using all the necessary accident prevention devices.<br><br>ATTENTION<br>The app is a comfortable, simple and practical tool, but it is not an official measuring tool.<br>Use &quot;Sonic Tension Meter&quot; to get certified values.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.SI.Ak550ToolKit2)