How to

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【PIRELLI】DIABLOMAN One Point Lesson: “Air Pressure for Track Riding”

Here's a one-point lesson from DIABLOMAN. Why do you lower the internal pressure when riding on the track? Riders who participate in circuit track days, etc., should often lower the air pressure befor...
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QUESTION: Wanting to Know the Tire Pressure

There is too much difference between the air pressure for the circuit and the finger pressure for public roads, and I want to know what is really going on! ANSWER: There is no problem without changing...
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Pay Attention to Pilot System Rather than Main System when Overhauling a Carburetor that has Been Left Unattended for a Long Period of Time

Whether the vehicle is carbureted or fuel-injected, the fuel in the fuel system must be replaced regularly or it will deteriorate and cause sticking. If a motorcycle has not been ridden for a long per...
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METHOD: If you are about to Nab the Head of a Bolt or Screw

When turning bolts, nuts, and screws, it is an ironclad rule to use tools appropriate for the size of the screw. However, a little carelessness or messy work, as well as mistakes made by previous work...
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Torque Control is Important When Tightening Bolts! Correction is Required if the Threads are Nipped.

Due to repeated mounting and dismounting or careless handling, you may notice that the threads of the important fastening seat are nearly or completely nipped. If the part can be replaced, it is quick...
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Grease up Required when Replacing Brake Levers! Tightening Order is also Not Wrong!

It is quite common for a brake lever to bend in a crooked shape or break off at the tip when the bike is laid down due to a fall or standing on it. It would be nice to think that this brake lever miti...
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Don’t Forget, Do You Change Gear Oil Regularly on 2-Stroke Models?

Two-stroke engine models are no longer considered an endangered species. Among them, there are many examples of 2-stroke sports cars that have become very popular due to the influence of the old car b...
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Drive Chain Deflection Differs from Model to Model. Adjustment Method may Differ Depending on Whether the Rear Brake is a Disc or Drum

The drive chain should neither be too deflected nor too taut, and it is important to maintain proper deflection at all times. Pulling the rear axle backward itself is common regardless of the model, b...
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Only Rust can be Removed by Removing Rust from Fuel Tanks! Neutral Detergent is the Best Way to Remove Fuel and Dirt

The days of putting bolt nuts and chains in a fuel tank and swishing them around to remove rust are a thing of the Showa era. Now, thanks to high-performance neutral rust-removing chemicals, even stub...
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Is it Possible to Restore Whitening of Black Resin-Colored Parts by Painting? Yes, if you use Dye-Q.

Not only 80's models but many exterior parts are made of resin. In particular, black-colored parts (i.e., cost reduction parts), which are finished in resin color itself, often become bleached (white ...
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Chain Adjustment Does Not Work! Tips and Things to Check During the Adjustment Process

Many bikes that have been ridden for long periods of time with no maintenance often run out of grease to lubricate the drive chain, causing the chain to stretch even more and emit a rattling or crackl...
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The Inside of the Cylinder is Rusted Out! Is there Any Way to Fix it!?

There are many such cases for various reasons where we really want to reassemble the engine with the current cylinders. In such a time of need, a professional store for internal combustion engine mach...
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Engine Stands are Useful When Performing Maintenance or Customization on Individual Engines

Unlike large and heavy four-cylinder engines, moped-class engines can be carried with both hands, making them an ideal subject for learning how to tinker with motorcycles. The engine removed from the ...
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The First Step in Point Maintenance is Simple Cleaning and Greasing.

The point-controlled ignition system employs a retro and simple mechanism not found in modern motorcycles. The moment the point contacts open, grounding is interrupted, causing a sudden flow of electr...
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Using Solder in the Manner of Electrical Wiring Repair, Seal the Hole in the Fuel Tank.

Dirt in the fuel tank attracts rust, which can erode and create rust holes in the fuel tank.Even a fuel tank that looks very clean on the outside often has more rust than expected when you take a peek...
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Stem Bearing Assembly Techniques That Make or Break Handling

The steering stem bearing is a critical part that affects the handling of the bike. Whether it is a ball bearing or a tapered roller bearing, a scratched or dented race must be replaced, and the inner...
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[DIY Restoration by Red One] Freshened Up the Rusty Engine.

In the previous part, we have mainly polished and cleaned up the engine block, but we have found that the impression is not good because the rubber and other parts of the harness for sensors and elect...
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Challenging DIY Base Preparation that Determines the Finish of UNIQLO Recycled Plating

Unichrome plating is one of the surface treatments, along with decorative chrome plating, that is widely used on motorcycles and motorcycles. Unichrome plating is less expensive to reproduce than chro...
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The Carburetor is Sluggish after Being Left Unattended for a While! When that Happens, Suspect Fuel.

If the motorcycle is immobile and has not been run for years, or even if it has not been ridden for only a few months, the engine may start poorly and idle inconsistently.The suspect in such cases is ...
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Motorcycle Restore Gateway. Dramatically Easier Main Stand Spring Installation

The main stand, which is commonly installed on discontinued and old motorcycles, is a useful part of lubricating the chain and attaching and detaching the rear tire. When the main stand is removed for...
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