How to

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If you have Gone to the Trouble of Disassembling the Engine, you will want to Polish it to a Beautiful Finish

During a normal engine overhaul, not a restoration, various parts are thoroughly inspected after disassembly and cleaning, and assembled while replacing parts as necessary. It is important to know tha...
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[DAX125] Thorough Explanation of How to Change Oil! Pick up All the Necessary Tools and Recommended Parts!

The HONDA DAX 125 (ST125) is highly popular for its cute looks and its ease of use as a petit-touring and daily-use companion bike.This time, we will replace the engine oil, oil filter, and other cons...
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Warming up in Winter is not just for Engines! Be Aware of Warming up your Tires as well!

Shrink the tire to warm it from the air inside. It is well known that before riding a motorcycle, one should warm up the engine, but many people may think that this is only for the engine.In winter, h...
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Carburetor Motorcycle Idling Irregularities may be due to Internal Contamination. Let’s Disassemble it and Soak it in Cleaner.

The symptoms that often occur with out-of-print and old cars are "the engine runs well when the RPMs are high" and "the engine tends to stall at idle", which is a problem that I have to be careful abo...
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After Converting to a Motocross-specific Chain, Got an Unexpected Byproduct!

The drive chain is responsible for the very important task of transmitting the engine output to the tires. Although often overlooked, this is the part that should be considered the most in terms of "f...
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Technics Launches Completely Non-Disassembled Rear Shock Repair Service

Technics launches completely non-disassembled rear shock repair service. Technix launches Technix the Restore, a repair service that can restore performance to types of rear shocks that cannot be disa...
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Iron Powder Remover and Wax Polish are Effective for Roughness of the Paint!

Whether riding on ordinary roads or on a circuit track, the body and undercarriage of a motorcycle are subject to collisions with a wide variety of objects. In addition to insects crushed by the cowl,...
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Plug Holes are Finished when they are Nipped in the Bud! If it’s Bad, Fix with Dedicated Tap before it becomes Fatal!

The spark plug installed in the cylinder head is an important part of igniting the air mixture in the combustion chamber and needs to be replaced periodically depending on the mileage.Installation is ...
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Is any Grease OK? Use it Differently for Peace of Mind! The Right Material for the Right Job is Important!

A single coat of grease-up before starting to run is extremely effective.Did you know that there is a rule of thumb for greasing, or rather, a simple distinction between different types of greases and...
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[Can’t See Electricity, so I Don’t Know] Let’s Overcome this Fear with a Voltage Tester

The maintenance of the power supply and electrical system is done when installing a USB power supply or drive recorder, or when the blinkers stop working.For those riders who find circuit testers too ...
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Hexagon Wrenches/Hexagonal Wrenches,/Hex wrenches ……. Stick with Hex Wrenches, which are called by Different Names

Along with hexagon head bolts, hexagon socket head bolts, also known as cap bolts or hex bolts, are frequently used in fastening parts.To begin with, what is the difference between a hex head and a he...
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Tips for Replacement Work of Burnt-out Turn Signals and Tail Light Bulbs!

Many of the latest models are equipped with genuine LED lamps.Therefore, it is almost unheard of to replace a lamp when the bulb burns out, and the procedure is to replace the entire assembly when the...
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Cylinder Head Sheet Cutting and Head Surface Grinding! What does it mean?

In an engine, metal parts slide and operate violently against each other under high heat and hard conditions. Naturally, sliding (rubbing) parts are gradually reduced or deformed, even if they are ste...
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What’s the Difference between the first Kawasaki Air-Cooled 4-Cylinder Engine Z2 and Z1 with a Robust Design

Before the reverse-engine boom began, the models of our dreams were only seen in overseas reports in motorcycle magazines, but now they are coming back to Japan as reimported used models. One of the m...
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Water Temperature Gauge Moves Differently than Usual! Water-Cooled Engines must be careful of Overheating!

As performance increases, heat generation increases, and to reduce engine noise, "water-cooling" is the norm for modern engines. The cooling medium is a long-life coolant (commonly known as LLC), but ...
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Halfway work is strictly prohibited! But a selection of useful tools for disc brake maintenance

Stopping performance is absolutely more important for a motorcycle than running performance.To achieve this, brake maintenance is indispensable, but if you do not have the knowledge or experience, it ...
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What is the Internal Combustion Machining of a Malfunctioning Engine Repair Point Cylinder Head?

Whether it is a 4-cylinder multi-cylinder engine or a single-cylinder engine on a moped, the cylinder head is a major determinant of whether a 4-stroke engine is in good shape or not.We often hear the...
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Easy and Simple Work with Tools When Repairing a Flat Tire or Changing a Tire Tube

There are various know-hows and things to do during the work process in the case of tube tires instead of puncture repair of tubeless tires for medium and large bikes.Here, let's practice working with...
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When Performing a Carburetor Overhaul on a Motorcycle that has been Stored for a Long Time or been Immobilized, the Fuel Joint O-rings should also be Replaced!

Carburetors can change the fuel in the float chamber in as little as a few months. An overhaul is essential to remove dirt and debris clogging the jets and passages. At that time, multi-carburetors wi...
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When you have a Carburetor Car with Poor Starting or Discrete Burnt Plugs, Suspect a Clogged Pilot System!

A 4-cylinder engine that has no problems with the engine itself and the jets and needles are numbered correctly, but one cylinder does not ignite at idle and the plugs are burned in different ways. If...
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