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DIY! How to Change the Coolant and Clean the Radiator

As a cooling medium for water-cooled engines, a "long-life coolant" called LLC must be used instead of freshwater. Let's recognize this LLC as "the point of cooling parts" that sho...
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How to Polish and Rust Out the Chrome Plating Wheels of Motorcycle

Chrome plating, which is used for surface treatment of steel parts such as spoke wheel rims and pipe handlebar, has a feeling of dignity and luxury that is a bit different from the painted finish. How...
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A simple and basic ignition system in the 1970s = how to maintain a contact breaker

The three main prerequisites for all engines are: good mixture, good compression and good spark. As for the spark, today only non-contact types are available, but until the 1970s, mechanical point-of-...
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Let’s do regular maintenance! How to grease up the lever that will drastically change the operation of the brake and clutch

Lubrication is essential for the parts of the engine, wheels, chain and other parts that move while in contact with each other. The throttle and clutch cables will also move smoothly and lightly with ...
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Stronger than glue! Repairing plastic parts by melting and embedding the core [Cowl Repair].

Plastic parts can crack or chip not only due to accidents and falls, but also due to deterioration over time. Welding with a soldering iron is effective for strong repairs in places where strength is ...
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DIY! How to Remove Rotten Fuel in the Carburetor by Chemicals!

When you say you've got a motorcycle that has been vacant for many years since the last ride or has been left behind for a long time, you need to take care of the fuel left in the carburetor. All the ...
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DIY! How to Make Carbon Parts at Home!

FRP and CF (carbon fiber) parts are indispensable for making a custom machine. Full-scale dry carbon parts are manufactured using special equipment and facilities, but it
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DIY! How to Deal Clutch Sticking Especially in Motorcycle not Used for a Long-time

It is the common sense of the manual transmission that can be interrupted by holding the clutch lever to interrupt the engine and transmission rotation. However, if you do not ride for a long time, su...
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DIY! How to Remove and Diagnose the Hardened Fluid in the Brake Master Caliper

Disc brakes, which are standard equipment for sports bikes, can be braked by operating levers and pedals, and are released if you release the brake lever. However, depend
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This is the right thing to do! Rust removal and rust removal from the gasoline tank

When it comes to removing rust from a gasoline tank, the effectiveness and finish of the process differs greatly depending on whether thorough arrangements were made or not. High-performance rust remo...
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DIY! How to Tighten the Drain Bolt when Changing the Engine Oil!

Many users enjoy practicing engine oil change because it makes the engine quieter, increases the torque, and makes a difference in the way the engine runs depending on th
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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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