Harley-Davidson Oil Change Kit: What to Buy
How to pick the right Harley-Davidson or Indian oil change kit, including 3-hole filter kits, filter sizing, oil grade and what each kit includes.
Blog
Motorcycle maintenance guides
Practical guides to motorcycle maintenance, troubleshooting and parts from the MotoDoc team.
How to Replace a Motorcycle Clutch Cable
Learn how to replace a motorcycle clutch cable step by step, from freeing old cable ends to routing, adjusting and testing the new one safely.
Best Motorcycle Repair Apps: What to Look For
Compare motorcycle repair app types, what they can and can't do, and how to pick one that actually helps you diagnose and fix your bike.
How Often Should You Clean and Lube a Chain?
Learn how often to clean and lube a motorcycle chain based on riding conditions, mileage, and weather, with a simple schedule you can actually follow.
Best Motorcycle Tire Changer for Home Garages
Buying guide to motorcycle tire changers for home use, covering manual stands, no-mar clamps, bead breakers, and what actually saves time and rims.
How to Fix a Dent in a Motorcycle Gas Tank
Learn how to assess a motorcycle gas tank dent, when cautious suction or professional PDR can help, and the signs that call for a body shop.
Harley Davidson Motorcycle Tires: Buyer's Guide
How to choose Harley Davidson motorcycle tires by model, riding style and size, plus what the sidewall codes and ratings actually mean.
Honda Grom Parts: Buying Guide for Upgrades & Repairs
A practical guide to Honda Grom parts, from genuine OEM components to aftermarket upgrades, so you know what to buy and where to check fitment.
Motorcycle Stator Output: Volts, Amps and What's Normal
Learn what voltage and amperage a healthy motorcycle stator should produce, how to read your test results, and when low output means a real stator fault.
Dirt Bike Maintenance Checklist: What to Check and When
A practical dirt bike maintenance checklist covering after-ride, weekly and monthly checks, a basic tool kit, and typical costs for DIY upkeep.
Why Won't My Dirt Bike Start? Troubleshooting Guide
Dirt bike won't start? Work through fuel, spark, compression and choke checks to find the cause, whether it's a 4-stroke, Yamaha or Chinese pit bike.
Motorcycle Spark Plug Guide: Types, Codes and Lookup
Learn how to read motorcycle spark plug codes, find the right plug for your bike, and spot worn electrodes before they cause a misfire.
20W-50 Motorcycle Oil: What It Is and When to Use It
20W-50 motorcycle oil explained: what the numbers mean, which bikes need it, and how synthetic V-twin oils compare. Pick the right oil with confidence.
How to Lubricate a Motorcycle Clutch Cable
Learn how to lubricate a motorcycle clutch cable the right way, with tools, step-by-step method, and signs your cable needs replacing instead.
50cc Dirt Bike Buying Guide for Kids and Beginners
Choosing a 50cc dirt bike for a kid? Compare 2-stroke vs 4-stroke, automatic vs manual, sizing, safety gear and what to check before you buy.
How to Clean Rust Off a Motorcycle Chain
A rusty motorcycle chain can still be saved. Learn why chains rust, how to clean rust off safely, and when to replace the chain instead.
Motorcycle Coolant Leak: How to Find and Fix It
Motorcycle coolant leak or overflow dripping? Here is how to trace the source, check for overheating, and fix it before the engine is damaged.
Motorcycle Maintenance Checklist and Log You Can Use
A practical motorcycle maintenance checklist covering every system, plus a simple log format you can copy to track service on any bike.
How to Adjust Motorcycle Throttle Cable Freeplay
Learn how to adjust a motorcycle throttle cable step by step, check freeplay, remove it from the carburetor, and know when to see a mechanic.
Idle Screw Adjustment Motorcycle: Step-by-Step Guide
Learn how to find and adjust your motorcycle idle screw, set the correct idle speed, and fix rough idle with this clear step-by-step guide.
Best Motorcycle Wiring Diagram Apps for Riders
Looking for a motorcycle wiring diagram app? Here's what these apps actually do, their limits, and how to trace an electrical fault without one.
How to Choose the Right Motorcycle Handlebars
Pick the right motorcycle handlebars by width, rise, pullback and bar diameter, plus a fit checklist and install safety tips.
How to Test a Motorcycle Battery (With a Multimeter)
Learn how to test a motorcycle battery step by step with a multimeter or load tester, read the results, and know when it needs charging or replacing.
Motorcycle Won't Start but Battery Is Good: Fixes
Motorcycle won't start but battery is good? Lights work but no crank or no start. Step by step checks for the real cause, by system.
Motorcycle Stator Replacement: Steps and Real Costs
How to replace a motorcycle stator, swap the cover and gasket, and what parts and labor actually cost. Step-by-step DIY guide with safety notes.
How to Use a Motorcycle Clutch: Beginner's Guide
Learn how to use a motorcycle clutch step by step, from finding the lever to smooth starts, shifting and what happens if you dump it too fast.
Motorcycle Oil Change Cost: DIY vs Shop Prices
Motorcycle oil change cost broken down: DIY parts pricing, shop labor rates, and what drives the price up or down on different bikes.
Harley-Davidson Recalls: How to Check Your Bike
Learn how to check Harley-Davidson motorcycle recalls by VIN, what to do if your bike is affected, and how to stay ahead of future notices.
How to Clean a Motorcycle Chain Properly
Learn how to clean a motorcycle chain the right way, with the correct products, tools and steps to protect O-rings and extend chain life.
Beginner Guide to Motorcycle Repairs
Learn how to fix a motorcycle step by step: tools, common repairs, rough cost ranges, and when to stop and call a mechanic.
Engine Ice Motorcycle Coolant: Review and Specs
Engine Ice motorcycle coolant explained: what it's made of, how it compares to glycol coolants, and how to check compatibility for your bike.
How to Choose a Motorcycle Maintenance App
How to choose a motorcycle maintenance app for tracking service, diagnosing problems and logging your dirt bike or street bike.
How Long Does a Motorcycle Battery Last?
Most motorcycle batteries last 2 to 5 years. See the lifespan by battery type, the warning signs of failure, and how to make yours last longer.
Harley-Davidson Tank Decals: Buying Guide
Shopping for Harley-Davidson motorcycle tank decals? Here is how to match your tank, pick materials, and install them without bubbles or peeling.
Motorcycle Exhaust Systems: Types and Upgrade Guide
Compare motorcycle exhaust types, understand slip-ons vs full systems, and learn what to check before buying an upgrade for your bike.
Harley Davidson Air Filter Guide: Types & Service
Learn how Harley Davidson air filters work, how to choose the right type, and how to inspect, clean or replace one correctly at home.
How Often Should You Replace Motorcycle Tires?
Tread depth, age, cracking and mileage all decide when to replace motorcycle tires. Here's how to check each sign and know when it's time.
Bad Motorcycle Stator Symptoms: How to Spot a Failing One
Learn the symptoms of a bad motorcycle stator, from dim lights to a dead battery, plus simple checks to confirm the problem before you replace parts.
Can You Clean a Motorcycle Chain with Kerosene?
Yes, kerosene can clean a motorcycle chain safely if used correctly. Learn the right method, what to avoid, and better alternatives for O-ring chains.
How Often Should You Change Motorcycle Oil?
Motorcycle oil-change intervals vary by model, year and use. Learn how to find the right mileage, time or engine-hour schedule for your bike.
Dual Clutch Transmission Motorcycle: How DCT Works
How a dual clutch transmission motorcycle works, what maintenance it needs, and how it differs from a manual or regular automatic bike.
Motorcycle Fork Oil Change: Step-by-Step Guide
Learn how to do a motorcycle fork oil change at home, with or without removing the forks. Tools, steps, oil levels and safety tips.
Motorcycle Carburetor Basics: Location, Parts & Function
Learn how a motorcycle carburetor works, where it is located, common failure signs, and when to choose an aftermarket carburetor over the stock unit.
How to Choose a 12V Motorcycle Battery Charger
Learn how to pick the right 12V smart charger for a motorcycle battery, use it safely, and read the signs of a battery that needs replacing.
MotoScan App Review: BMW Diagnostics Explained
What the MotoScan app does for BMW motorcycle diagnostics, what hardware you need, its real limits, and how it compares to a general OBD2 scanner app.
Front vs Rear Motorcycle Brakes: When to Use Which
Learn when to use front brakes on a motorcycle versus rear brakes, what the 70/30 rule means, and how to brake smoothly in every riding situation.
Motorcycle MOT Guide: Checklist and Requirements
What a motorcycle MOT checks, common fail points, and how to prepare your bike so it passes first time. Full checklist included.
Motorcycle Tire Pressure Guide and PSI Chart
Find the right motorcycle tire pressure for your bike, how to check it correctly, and what happens when PSI is too high or too low.
How to Read a Motorcycle Electrical Wiring Diagram
Learn how to read a motorcycle electrical wiring diagram, spot common symbols, and trace circuits step by step to find faults faster.
4-Stroke Motorcycle Oil: Types and How to Choose
Learn how 4-stroke motorcycle oil differs from car oil, what the ratings mean, and how to pick the right viscosity and spec for your bike.
Motorcycle Chain Drive Systems Explained
How a motorcycle chain drive works, the main chain types, and how to spot wear before it leaves you stranded or damages other parts.
How to Adjust a Motorcycle Clutch Cable (Step by Step)
Learn how to adjust motorcycle clutch cable free play correctly, fix slipping or dragging clutches, and know when the cable needs replacing.
Harley Fork Oil Types, Weights and Specs Explained
Harley fork oil explained: Type E vs Type B, viscosity by model, fill levels, and how to check and change it correctly at home.
Harley-Davidson Motorcycle Battery Replacement Guide
Step-by-step Harley-Davidson motorcycle battery replacement: tools, removal, sizing, terminal torque, and disposal, with safety notes for electrical work.
Can You Jump a Motorcycle With a Car Battery?
Yes, but you need to do it carefully. Here is how to jump start a motorcycle battery with a car safely, step by step.
Dirt Bike Gas Guide: Fuel Types and Mixing Ratios
Learn which gas to use in a dirt bike, how to mix two-stroke fuel correctly, and when ethanol-free gas or race fuel actually matters.
Motorcycle OBD2 Scanner Apps: Compatibility Guide
Compare motorcycle scanner apps and OBD2 adapters, learn which bikes support them, and what to do when your bike has no OBD2 port.
Motorcycle Service Guide: Full Checklist and Intervals
A complete motorcycle service checklist: what needs attention, typical intervals by bike type, and what you can safely do yourself at home.
Popping the Clutch on a Motorcycle: Push Start Guide
How to push start or pop the clutch on a motorcycle safely, step by step, when it works, when it can hurt your bike, and better alternatives.
How to Test a Motorcycle Stator with a Multimeter
Learn how to test a motorcycle stator step by step using a multimeter, spot a grounded stator, and tell weak charging from a bad regulator.
How to Adjust and Tighten a Motorcycle Chain
Learn how to check, tighten and adjust a motorcycle chain safely, with slack ranges, tools needed and alignment tips for home mechanics.
Harley-Davidson Oil Change: Engine, Primary and Transmission
Learn how to change engine, primary, and transmission oil on a Harley-Davidson, plus how often to do it and what each fluid does.
How to Bleed Motorcycle Brakes: Step-by-Step
Learn how to bleed motorcycle brakes correctly with this step-by-step guide covering tools, technique, and common mistakes to avoid.
Fuel Stabilizer for Motorcycle: How and When to Use It
Learn how to use a fuel stabilizer for motorcycle storage, how much to add, and how long it protects fuel before your next ride.
How Does a Motorcycle Clutch Work?
How does a motorcycle clutch work? Plates, springs and cables explained, plus how to spot slipping, dragging or a worn cable.
Charging a Lithium Motorcycle Battery: Safe Method
Learn how to charge a lithium motorcycle battery safely, which charger to use, and the mistakes that can damage LiFePO4 cells for good.
Dirt Bike VIN Check: How to Decode and Verify It
Learn how to do a dirt bike VIN check step by step, decode the number, spot fakes or altered digits, and confirm a bike's real history.
How to Charge a Motorcycle Battery Properly
Learn how to charge a motorcycle battery safely with the right charger, settings and checks, plus signs the battery needs replacing.
5 free questions a day
Start with a question about your bike.
Download MotoDoc — it's free to start.