Denso Spark Plug: Iridium Power

Iridium electrode spark plug nowadays are very popular. This is due to the fact that it can give better combustion, better fuel economy and more power.Spark produced by this plug is much stronger than the standard plug since it has a smaller electrode to make the spark jumps more easily.To know more about this plug,…

Battery’s dead? Why?

Maintainance-free battery for motorcycles Battery is not a very important aspect for bikers who drive RX-Z, 125Z and Honda EX5. This is because the battery is only used for signal indicator, fuel indicator and to drain the excessive voltage from the magnet to it.But, it is very important for those who use electric starter bike…

Y1: Yamaha RX-Z Racing Engine Block

Racing block for RX-Z is known as Y1. Y1 is very popular because it can withstand high temperature for long duration of usage. Also, Y1 has bigger displacement compared to Y2, Y3 and Y4. With Y1, you can also rebore the cylinder to get higher displacement without having to deal with overheating of the engine.Original…

Keihin PWK Racing Carburetors

Keihin PWK Racing Carburetor Dimension Keihin PWK racing carburetor are the most common racing carburetor used in motorcross racing around Europe. Here in Malaysia, it is also popular due to its performance that can be gain by just simple modification.Keihin PWK enables you to have larger diameter for air intake compare to standard diameter of…

Uma Racing Pilot Jet (M6)

Uma Racing Pilot Jet (M6) This racing pilot jet from Uma racing is used to modify the setting of the carburetor and usually used in conjunction with exhaust modification. Read my article about Uma Racing Main Jet for more info.This part is available in many sizes that is; 30, 32, 35, 38, 40, 42, 45,…

Uma Racing Main Jet for Racing Purpose

Uma Racing Main Jet Uma Racing main jet can be use to upgrade the performance of your carburetor. With larger main jet diameter, more fuel can be pumped to the combustion chamber in your bike.The modification of this item is usually done with modification of the exhaust to get maximum performance. A modified exhaust can…

Uma Racing Carburetor

Uma Racing Carburetor Uma Racing parts especially the carburetor is very popular among bike enthusiasts. Uma Racing carburetor can give better performance than standard carburetor due to its oversize air intake diameter.This carburetor is available in many sizes that is 24mm, 28mm, 30mm, 32mm and 34mm.The bigger the diameter of the air intake, the more…