How to

How to

Points to keep in mind when changing the coolant! Don’t overlook the dirt in the reserve tank.

The cooling system of a water-cooled engine is composed of the radiator itself, water pump, thermostat and Although we focus on the radiator cap, it's surprising how often it's located away from those...
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Maintenance to be done during Holidays. Let’s try to overhaul the carb!

The part that has the biggest impact on the condition of the engine is the carburetor. If the slow system circuit is clogged, it will idle sluggishly. On a tuned engine, it won't idle unless it decide...
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The ultimate in eco-maintenance! Let’s make our own scraper out of a gold saw!

Let's just sand the tips into an oyster shape, and polish them off with paper! If any burrs appear in the piston pin clip groove during piston assembly and restoration, the piston pin will be damaged....
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DIY! How to Check Motorcycle Radiator Cooling Path by a Radiator Leak Tester Kit

With a water-cooled engine, it is essential to replace the cooling water regularly, but it is also important to maintain the condition of the cooling paths through which
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DIY! How to Removed and Do the Effective Maintenance of the Spark Plug in the GPZ NINJA System

Spark plug is sensitive, so be careful. Air blowing in GPZ NINJA system version that you should definitely do before removing the plug. If the carburetor is not set, or t
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It’s not exactly a mirrored surface! How to polish aluminum parts for adults to achieve a moist and pure look

When we think of polishing aluminum parts, the first thing that comes to mind is a mirror finish. However, when it comes to customization and restoration, a shiny, spotless finish is ideal, but on the...
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DIY! How to Understand Engine Failures and its Maintenance!

The thermostat, which is built into the cooling system of a liquid-cooled engine, is an important component that opens and closes according to the water temperature to ma
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Tips for Measuring Compression to Understand Engine Fundamentals

The condition of the engine can be known by measuring the engine compression pressure just the same with the blood pressure measurement that gives a clue to know the phys
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DIY! How to Maintain Clutch Release to Prevent Hard Clutch

The first step is to clean and lubricate the clutch cable if the clutch lever will be harder to operate. If the symptoms still don't improve, take a step further and focus on the "clutch release" lubr...
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KOHKEN Hex Bit Socket Can Hold a Cap Bolt with Exquisite Friction!

The hexagon socket head cap bolt, sometimes called cap bolt, has a hexagonal hole in the head of the bolt rather than a plus or minus groove. The product developed by KOH
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Key Points for Successfully Removing Rust from Fuel Tank! Removing Dirt is Necessary Before You Work.

If the motorcycle has been stored in a parking lot without a roof to protect it from rain, the inside of the fuel tank will get rust within a few years, and depending on
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DIY! How to Repair Flat Tire on a Tubeless Tires!

You may always pay attention to a sharp nail and glass fragments on the road to avoid flat tire while traveling, but still, this issue cannot be avoided once the tire stepped on it. ...
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DIY! How to Periodically Disassemble and Clean the Brake Master Cylinder

The front brake that works well is safe, but when was the last disassembly maintenance? If the motorcycle has never been disassembled and cleaned since it was newly own, or if sever...
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DIY! How to Repair Outer Plastic Parts Using Plarepair!

There are several types of materials used for plastic parts for motorcycles. When repairing an Acrylonitrile Butadiene Styrene (ABS) used for many motorcycle outer parts, the PLAREPA...
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DIY! How to Remove the Stud Bolts and to Clean the Gasket

If the thread of the stud bolts on the cylinder, cylinder head, and the muffler flange is stripped or severe in rust, usually we want to replace them. Also, it is better to remove ...
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DIY! How to Disassemble and Restore the Motorcycle Handle Switch Box Housing

The handle switch box of the latest motorcycle is made of plastic and its performance has been improved, so the internal components have been less likely to deteriorate by rust. I will explain the k...
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DIY! How to do Wrinkle Paint Especially for Motorcycle Parts!

The beauty of wrinkle painting is known to engine painting such as HARLEY-DAVIDSON motorcycle!! Wrinkle painting was formerly known in the past for painting on the twin camshaft head...
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DIY! How to Grease Up the Rear Suspension Links for Motorcycles

A motorcycle can run stably whether in the straight lane or cornering thanks to the rear and front suspensions. The rear tire moves around the swingarm pivot, but if the movable part...
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DIY! How to Check Brake Disc Wear When Replacing Brake Pads

Checking the remaining brake pads is the first step for a brake maintenance. In the case of the disc brake system, the play of the lever or pedal does not change unlike the drum brake system even if...
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DIY! How to Remove Rust from the Fuel Tank. The Use of Neutral Detergent is Effective.

As a result of leaving the bike for many years, I noticed the fuel tank was full of rust, this story is common for old motorcycles. Do you know that there are many types of rust remo...
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