Rajesh technical Blog

Suzuki Head Gasket Replacement – Full Simple Guide               Indruction  Hello friends, welcome to Rajesh Technical Blog. Today I will explain how to replace a Suzuki head gasket in a simple and easy way. A damaged head gasket can cause overheating, coolant mixing with oil, loss of power, and white smoke. So replacing it at the right time is very important. What Does a Head Gasket Do? A head gasket seals the joint between the engine block and the cylinder head. It maintains: Compression Coolant circulation Oil flow separation If the gasket fails, the whole engine performance becomes unstable. Symptoms of a Blown Suzuki Head Gasket White smoke from exhaust Coolant loss without leakage Milky or creamy engine oil Overheating Bubbles in radiator Engine misfire Low compression If you see these signs, the head gasket must be replaced. Tools You Need Basic spanner set Torque wrench New Suzuki head gasket Screwdrivers...

Kawasaki Piston Ring Installation – Full Simple Guide              Indruction  Hello friends, welcome to Rajesh Technical Blog. Today I will explain how to do Kawasaki piston ring installation properly. If the rings are installed in the wrong direction or wrong position, the engine will lose compression, burn oil, produce smoke, and give very low power. So correct installation is very important. Types of Piston Rings Used in Kawasaki Engines Kawasaki engines generally use three types of rings: Top Compression Ring Second Compression Ring Oil Control Ring (Three-Piece) Oil expander Upper oil rail Lower oil rail Each ring has a specific function and direction. Preparation Before Installation Clean the piston grooves properly. Check ring end-gap in the cylinder. Apply a thin layer of clean engine oil. Make sure the ring marking (R, N, T, or a small dot) is facing UP . Never over-stretch the rings. Step-by-Step Installa...

1. Yamaha Outboard Cylinder Head Repair – Complete Guide            Indruction  Hello friends, welcome to Rajesh Technical Blog. Today I will explain how to repair a Yamaha outboard cylinder head , what problems usually come, and how you can fix them safely. A Yamaha outboard engine runs continuously in water, so the cylinder head faces heat, pressure, salt corrosion, and gasket wear. That’s why proper repair is very important. Common Cylinder Head Problems in Yamaha Outboards Overheating due to blocked water passages Blown or damaged head gasket Warped cylinder head (bent due to heat) Corrosion on head surface Valve seat leakage Spark plug thread damage How to Diagnose Head Problems White smoke from exhaust Engine overheating alarm Coolant / water not circulating properly Milky oil (water mixed with engine oil) Poor compression or misfire Oil leakage near head joint If you see any of these signs, the cylinder head must be ch...

  How to Check Yamaha Piston Ring Orientation (With Simple Diagram Explanation)           Indruction  Hello friends, welcome to Rajesh Technical Blog. Today I will tell you how Yamaha piston ring orientation works and how you should correctly align the rings while installing them. Many people install the piston rings in the wrong direction, and because of that the engine loses compression, gives low power, smoke starts coming, and mileage also decreases. So in this post, I will explain everything in very simple language. What Is Piston Ring Orientation? Orientation means the correct position and angle of all piston rings on the piston. Every piston has 3 rings: Top compression ring Second compression ring Oil control ring (3-piece ring) These rings have gaps , and those gaps must be placed at specific angles so the engine seals properly. Why Orientation Is Important? If the ring gaps are placed in the same line, engine pressure leaks ...

Emergency Ambulance Maintenance Ideas — Complete Technical Guide for Long Life & Maximum Performance          Indruction  Hello friends, welcome to Rajesh Technical Blog. Today I will explain step by step how USA ambulances are maintained and what maintenance ideas you should follow to keep an ambulance running safely, smoothly, and ready for emergency duty. Ambulances in the USA run for long hours every day. They need strong engine health, reliable electrical wiring, perfect brakes, and fast response performance . That’s why USA ambulance maintenance is more strict than normal vehicles. Below are the best maintenance ideas followed by American EMS garages and technicians. 1. Daily Inspection Checklist (Before Starting Duty) Every USA ambulance goes through a daily readiness check : Check engine oil level Check coolant level Inspect brake fluid Check tire pressure (including spare) Test headlights & emergency lights Test siren and ...

USA Police Car — Full Engine Fitting Process: Step-by-Step Guide                 Indruction  Hello friends, welcome to Rajesh Technical Blog. Today I will show you step-by-step how to do a full engine fitting for a USA police car. Fitting a full engine into a police patrol or pursuit vehicle (Ford Police Interceptor, Dodge Charger Pursuit, Chevy Tahoe PPV, etc.) is a job that requires planning, correct tools, safety, and precise execution. In this guide I cover the entire process in clear steps so beginners and experienced technicians both can follow. 1. Safety First — workspace & PPE Park the vehicle on a flat, level surface and block the wheels. Disconnect the battery (negative terminal first). Use eye protection, gloves, and steel-toe boots. Keep a fire extinguisher nearby (fuel work). Have an engine hoist/crane rated for the engine weight and secure jack stands for chassis support. 2. Tools & parts checklist En...

Indruction  Why You Should Never Use Local Petrol in BS6 Bikes – Full Explanation by Rajesh Technical Blog Welcome to Rajesh Technical Blog – your one-stop destination for honest and practical motorcycle guides. Today we are talking about one of the most overlooked yet serious issues among BS6 bike owners — using local petrol . You might think “fuel is fuel,” but for modern BS6 engines, quality matters more than you imagine. Let’s dive deep and understand why using cheap or unbranded petrol can silently destroy your bike’s performance and engine life. 1. What Makes BS6 Engines Different BS6 engines are far more advanced than BS4 models. They are equipped with fuel injectors, catalytic converters, oxygen sensors, and ECUs that constantly monitor air-fuel ratio to reduce emissions. These parts are extremely sensitive and need high-quality, clean fuel to function properly. Even a small amount of impurity in petrol can disturb the balance and lead to problems like poor mileage...

Indruction  Why Does the Battery of BS6 Bike Go Down? Full Explanation and Solution – Rajesh Technical Blog Welcome to Rajesh Technical Blog . Today we will discuss one of the most common problems faced by many riders – the battery of BS6 bikes going down even after regular usage. Many riders get confused when the self-start doesn’t work or the horn sounds weak. So, let’s understand why it happens and how to fix it permanently. 1. Understanding the BS6 System The BS6 (Bharat Stage VI) system is designed to reduce pollution. To achieve this, companies added advanced fuel-injection systems, oxygen sensors, ECUs (Electronic Control Units), and catalytic converters. All these electronic components depend directly on the bike’s battery . That means, even when the engine is off, some systems continue to draw a small amount of current, which can slowly drain the battery. 2. Common Reasons Why BS6 Bike Battery Goes Down Irregular Riding: If the bike is not used for several...

                   Indruction  Glamour BS4 Bike Drop Chain Sound Problem Solution Welcome to Rajesh Technical Blog . Today I will tell you about the Glamour BS4 bike drop chain sound problem and its complete solution step by step. Many riders face this common issue where the bike chain starts making a strange knocking or rattling sound. Sometimes the chain even drops out from the sprocket while riding, which can be risky. But don’t worry, here we will fix it easily with simple tools and methods. 🔍 What is Drop Chain Sound? When your Glamour BS4 bike chain becomes loose or dry, it starts slipping or hitting the chain cover and sprocket. This creates a “tick-tick” or “thud-thud” sound especially when you accelerate or slow down. If ignored, it can damage both the chain and sprocket, and even affect gear shifting smoothness. ⚙️ Common Causes of Chain Sound Chain is too loose or too tight. Dry or rusty chain due to l...

           Indruction  Hello friends, welcome to Rajesh Technical Blog Today I will tell you how to make or repair the rear shock absorber of Hero Glamour bike step by step. This simple method will help you check, clean, and fit the rear suspension system easily at home. Step 1: Remove the Seat and Side Cover First, remove the seat and side panel of your Hero Glamour. This gives access to the top nut of the rear shock absorber. Step 2: Loosen the Top Bolt Use a proper wrench to loosen the top bolt. Make sure the bike is on the main stand for safety and stability. Step 3: Remove the Lower Bolt Now remove the lower bolt of the shock absorber carefully. Hold the shock with one hand to avoid sudden movement. Step 4: Check the Shock Condition Inspect the shock absorber for oil leakage, spring damage, or weak damping. If it is leaking or very loose, it needs repair or replacement. Step 5: Clean and Refit Clean the shock with a dry clo...

             Indruction  Repair Electric Bike Motor – Step-by-Step Guide (2025) Hello friends, welcome to Rajesh Technical Blog. Today I will tell you how to repair your electric bike motor step by step. Whether your e- bike motor is not spinning, making unusual noise, or losing power, this guide will help you fix it easily at home. ⚙️ What Is an Electric Bike Motor? An electric bike motor is the heart of your e-bike. It converts electrical energy from the battery into mechanical power to rotate the wheels. There are mainly two types of motors used in e-bikes: Hub Motor: Installed in the front or rear wheel hub. Mid-Drive Motor: Placed near the pedal crank area for better balance and torque. 🔍 Common Problems in Electric Bike Motors Before repairing, let’s understand some common issues that occur in electric bike motors: Motor does not start or spins intermittently Unusual grinding noise from the motor Ove...

       Indruction  Hello friends, welcome to Rajesh Technical Blog. Today I will tell you How to Order Original Yamaha Parts Online – Complete Guide (2025) How to Order Original Yamaha Parts Online – Complete Guide (2025) Yamaha bikes are known for their reliability and smooth performance, but to keep them running perfectly, using original Yamaha parts is essential. In this guide, you’ll learn how to identify, select, and order genuine Yamaha spare parts online safely and effectively in 2025. 🛠️ Why Original Yamaha Parts Matter Using original Yamaha parts ensures better performance, longer engine life, and maximum safety. Duplicate parts may be cheaper, but they often wear out faster and can damage other components of your bike. Original parts are designed specifically for Yamaha models and tested for quality assurance. 📦 Step-by-Step Process to Order Yamaha Parts Online Step 1: Identify Your Yamaha Model Before ordering, check your bike’s mode...

Indruction  Hello friends, welcome to Rajesh Technical Blog. Today I will tell you how to repair motor coil step by step. How to Make a Generator Field Coil: A Comprehensive Guide The hum of a generator often signals power at work. This power comes from a vital part: the field coil. This electromagnetic component creates the magnetic field needed for electricity. Building or fixing a field coil offers insights into power generation. It also provides a cost-effective choice for DIY fans and technicians. This guide breaks down the steps, materials, and ideas for making a working generator field coil. We will explore electromagnetism basics and practical winding and insulation steps. We cover the details of this important generator part. Making your own field coil is a valuable skill. It helps whether you build a custom generator or fix an old one. Understanding the Fundamentals of Generator Field Coils Generator field coils are central to how these machines produce power...