How to

How to

DIY! How to Apply Heat Treatment for Motorcycle Maintenace

Motorcycle maintenance and heat are inextricably linked. In order to remove the stuck bolt, heat is sometimes applied with a burner, and the Gun-Kote paint that can withstand the hea...
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DIY! How to Replace Front Fork Oil Seal Taught by Professional Mechanic

When you noticed the oil leaking from the front fork..... The brake performance will significantly reduce if the fork oil flows and adheres to the brake disc or caliper. If you want to replace the...
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DIY! “How to Fill Engine Oil” Part 3 Taught by Professional Mechanic

Engine oil is degraded by rising oil temperature or blow-by gas, so it needs regular replacement. The 2003 model YAMAHA SR400 engine oil has a viscosity of 10W-40 and a capacity of 2 liters. If the oi...
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DIY! Drive Chain Maintenance “Cleaning and Lubrication” Taught by Professional Mechanic!

The drive chain that transmits the engine's driving force to the rear wheel is a historical power transmission tool that has been used since the era of the bicycle. Most motorcycle chains require mai...
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DIY! How to Tune the Carburetor of Vintage Motorcycles

There are many tools that have the potential to be used as "special tools" in the world. For example, disposable "cotton swab" can be useful during maintenance. I tried "throttle va...
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DIY! “How to Check and Recover the Contact Breaker (Points) Ignition System Problems of Vintage Motorcycle”

The most important thing is understanding the ignition circuit. But... The contact breaker (points) ignition system is often used in vintage models, and often referred to as the cau...
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DIY! “How to Make Bright Headlight without Bulb Change”

It is an objective fact that the headlight of 6-volt models is darker than the 12-volt models. If that is the case, speaking of whether all 12-volt models headlights are bright, the ...
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DIY! “How to Squeeze Out and Clean Caliper Piston”

Disc brake system does not change the play amount of the lever or pedal even if the brake pads are worn. The reason why the caliper piston gradually moves out. A caliper piston as such will get dirty ...
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DIY! Oil Change Course for the DragStar 250

The engine oil, which plays a major role in lubrication and heat dissipation of each part of the engine, needs to be changed regularly because its performance deteriorates depending on the mileage and...
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DIY! “How to Lubricate and Clean Clutch Cable”

Regular maintenance is essential for motorcycles that are using cables for lever operation such as throttle and clutch. If you keep riding on your motorcycle without maintenance and the inner cable do...
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DIY! How to Clean and Lubricate the Speedometer Cable Taught by Professional Mechanic

Recently, many motorcycles has been adopted the electrical system speedometer, but there are also many motorcycles that transmit the rotation of the tire to the speedometer by a metal cable from small...
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DIY! “How to Change the Oil Filter” Taught by Professional Mechanic

The engine oil that circulates while performing lubrication and cooling in every part of the engine has the role of scraping and cleaning various dirt in the lubrication path. The oil filter element c...
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DIY! “How to Eliminate Brake Squeal” Taught by Professional Mechanics

It is known that the application of the oil adhesion to the brake rotor and pad surface is strictly prohibited, but to prevent unpleasant squeaking brake noise, it is necessary to apply grease with an...
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DIY! “How to change Engine Oil Part 2 (Oil Filter)” Taught by Professional Mechanics.

The engine oil lubricates and cools the internal engine. On the other hand, it carries sludge, abrasion particles, and dust occurred inside the engine. The oil filter help remove foreign substances. ...
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Drive Chain Tuning Tips by Professionals!

Except for scooters and shaft drive models, most motorcycles from small engine displacement (-50cc) to Supersports transmits the driving force from the engine through a drive chain. It is known tha...
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Easily Rust Fuel Tank? How to Check the Clogged Drain!

Do you know that the airplane cap, a flat fuel tank filler port that has often been adopted to on-road sports, has a drain function to discharge spilled gasoline on refueling and rainwater? If the ...
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DIY! “How to Change Oil” Taught by Professional Mechanics. Part 1

If you compare the engine, the power source of a motorcycle, to a human heart, the engine oil circulating inside the engine is the blood. The engine oil, which protects against rubbing and bumping met...
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