Variety Diameter Valves

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Adjusting the diameter of the valve cylinder capacity
After Lebaran holidays in 1432, many emerging new wide valve on the market. Width umbrella valve in accordance with the settings of the mechanics are in demand now.
Eg valve 28 / 23mm (28mm and ex valve in 23mm), 31/26, 34/30 and 35 / 31mm. More details about the designation, can further read the writing on the box.
28/23 MM DIAMETER
Valve with a diameter of umbrella valve 28 / 23mm is most preferred by three mechanical flow. Mechanical road race, drag racing bike and wild.
28mm diameter suction umbrella valve and 23mm exhaust. It is suitable for road race in the 110cc class, or even use for the 125cc class. Depending on the diameter of the piston is used. If to be used for a drag bike engine with a capacity of 150cc. In a wild race to go down in class with a piston diameter 58,5mm Mio.
Made from materials such as original motorcycle factory default. But done with better finishing process. So it look even more shiny stainless steel valve was wide.
Then the diameter of the valve stem had a size of 5mm. Size that much perceived as the most optimal size. Not afraid to break up and is still considered mild friction.
Most importantly, the valve stem is quite long. So that could be cut. Following the results of the final work on the width of the valve plug turner. Or depends also on the use of the valve spring. The length of the valve stem so flexible. It is highly preferred mechanic. As long valve Honda Sonic.
SPS Racing. Ukuran 35/31 batang hanya 4,5mm(kiri). SPS Racing ukuran 34/20(kanan)

DIAMETER 31/26
Asalnya yang populer klep 31/25,5mm merek EE dengan batang 5mm. Banyak sekali yang menggunakan. Dari mekanik road race, drag bike sampai liaran.
Tidak mau kalah, pihak Kawahara kini juga meluncurkan dengan ukuran 31/26mm. Pas digunakan untuk mesin mulai 125cc sampai 200cc. 
Pokoknya dirasa fleksibel karena mekanik bisa mengatur lebarnya. Bisa dibuat 29mm atau 30mm. Itu tergantung dari kapasitas silinder yang dianut.
UKURAN 34/30 DAN 35/31
Ukuran klep lebar bukan saja milik Kawahara. Ada merek SPS Racing Thailand yang baru nongol ketika puasa lalu. Ukuran 34/30mm batang 5mm digunakan untuk motor dengan kapasitas silinder 200-300cc. Sedangkan yang cukup keren yaitu klep SPS Racing dengan diameter klep 35/31mm. Punya batang yang cukup kecil hanya 4,5mm. Bobot jadi ringan dan rendah gesekan. 
Klep merek SPS Racing ini baru ramai dibicarakan menjelang Lebaran 1432 H yang baru lalu. Tidak hanya klep yang diluncurkan, tapi juga produk lain. 
Diameter Payung Klep
Dalam pemakaian klep secara garis besar mekanik menggunakan ukuran tertentu. Misalnya 28/23, 28/24, 29/24, 31/25,5, 34/30, 35/31mm. Sesuai dengan kapasitas silinder yang digunakan. 
Paling penting lagi, juga sesuai dengan power yang diinginkan di rpm berapa. Karena diameter klep menentukan letak peak power.


Blog, Updated at: 9:20 PM
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