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 most popular models is the Z1 series, known as Kawasaki’s first air-cooled four-cylinder model.Here, we will discuss how the popular first-generation …
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 lamp no longer lights up or when parts need to be replaced. However, before the last model generation, it …
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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 term “overhaul” used to describe the overhaul of the engine waist, but here we will focus on the internal combustion …
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 about. Unlike injection cars, which are compensated for by the computer, carburetor cars are very delicate, so …
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 consumable parts of the Dax 125.The replacement work is very easy if you have the right tools, so please take …
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 is wise to ask a professional to do it for you. On the other hand, there are a number of items that can improve work efficiency …
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 a Supercap spoked wheel, assuming that the tire tube is replaced. Table of Contents Tubes are also changed when tires are …
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 with two or more cylinders also needed to check the condition of the O-rings in the fuel passages = fuel joints. …
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 keep in mind that it is not OK to fill the radiator cap to the brim and that LLC must be replaced periodically.Here, we focus …
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 there is no significant change even after adjusting the air screw, instead of overhauling the carburetor, try removing the …