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Showing posts with the label gear timing marks motorcycle engine repair gearbox repair bike maintenance mechanical guide gear alignment transmission repair

How to Set Transmission Gear Ratio in a Motorcycle (Speed vs Torque Explained)

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     Introduction  How to Set Transmission Gear Ratio in a Motorcycle (Speed vs Torque Explained) Hello friends, welcome to Rajesh Technical Blog. In today’s guide, I will explain how to set transmission gear ratio in a motorcycle , including the basic formula, practical examples, and how it affects speed and torque. Understanding gear ratio is very important if you want to improve bike performance, increase speed, or get better pulling power (torque) . What Is Transmission Gear Ratio? Transmission gear ratio is the relationship between two gears in the gearbox. 👉 It shows how many times the driven gear rotates compared to the driving gear. In simple words: It controls speed vs power balance It affects acceleration and top speed Gear Ratio Formula (Important) Here is the basic formula: \text{Gear Ratio} = \frac{\text{Driven Gear Teeth}}{\text{Drive Gear Teeth}} 👉 Example: Driven gear = 40 teeth Drive gear = 20 teeth 👉 Gear Ratio = 40 ÷ 20...

How to Match Gear Timing Marks in a Motorcycle Engine (Step-by-Step Guide

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How to Match Gear Timing Marks in a Motorcycle Engine (Step-by-Step Guide)        Introduction  Hello friends, welcome to Rajesh Technical Blog. In today’s guide, I will show you how to match gear timing marks correctly in a motorcycle engine . This is one of the most important steps when repairing or assembling a gearbox. If gear timing marks are not aligned properly, your bike may face issues like: Hard gear shifting Gear slipping Engine noise Poor performance This guide will help you understand the correct method used by professionals so you can fix your bike easily. What Are Gear Timing Marks? Gear timing marks are small dots, lines, or symbols on gears inside the engine. 👉 These marks help in: Aligning gears correctly Ensuring smooth power transmission Preventing internal damage If these marks don’t match properly, the gearbox will not function correctly. Tools Required Before starting, prepare these tools: Spanner set Screwdr...