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167CC / 62MM CYLINDER KIT, STD HEAD, HIGH COMPRESSION (125/150/160 eSP+ 4V ENGINES)

YUMINASHI 167CC / 62MM CYLINDER KIT, HIGH COMPRESSION (125/150/160 eSP+ 4V ENGINES) (12100-K0S-V62)

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  • YUMINASHI 167CC / 62MM CYLINDER KIT, HIGH COMPRESSION (125/150/160 eSP+ 4V ENGINES) (12100-K0S-V62)
YUMINASHI
RRP: ฿5,650.00
฿4,550.00 (You save ฿1,100.00)
SKU:
12100-K0S-V62
Weight:
1,350.00 Grams
Availability:
Fast moving item, ships the next day (Except on Sundays & Thai public holidays)...
Shipping:
Calculated at checkout
Minimum Purchase:
1 unit(s)
Buy in bulk and save

 Product Description

buying-2-discount-300pxl-.png● 167CC / 62MM CYLINDER KIT, HIGH COMPRESSION (eSP+ 125CC/150/160 ENGINES) (12100-K0S-V62)

● This specific cylinder kit has been developed with the flat piston to be used with the stock 125/160cc valves, and by installing this YUMINASHI 62mm cylinder kit (12100-K0S-V62) on the stock 125 head you're not only getting a 167cc engine, but you also get the compression ratio where the head was basically designed for,.

● If you have a 150 or 160 4V engine, then the higher compression piston in the set has the possibility to produce more power compared to the stock 160 piston so both the 125 and the 150/160 4V engines have a benefit with installing this kit. 

※ Recommend to be installed with the YUMINASHI ST238 SPORTS TOURING CAMSHAFT! (LINK)

info-icon-25pxl-.png Torque Spec for the cylinder head nuts are: Torque 27 N m (2.8 kgf m, 20 lbf ft) 


● PISTON DETAILS:

● The piston you get in the 167cc YUMINASHI high compression kit is not only a higher then the stock 160 piston, but also a lighter piston compared to stock, where the valve pockets are prepared to run our high lift performance camshaft.

● The hard chromium plating layered (Cr) piston rings which come with the set are produced by very strict Japanese standards and has excellent characteristics which combine the original properties of chromium metal with the advantages of erector-deposits!

The main benefits from the chrominum plating layered piston rings are extremely high hardness of HmV (Micro Vickers), 800 to 1100 (cf. gray cast iron 220 to 270), high melting point of approx. 1800°C (cf. cast iron 1200°C), good thermal conductivity and corrosion resistance, a low friction factor and excellent wear resistance, such features are very effective in preventing piston ring wear.

● The enlightened piston is made from A-grade materials and the piston skirts come with a molybdenum coating. The Anti-detonation grooves on the top ringland provide several advantages, which include further atomization of the combustion charge to prevent damage to the piston and ring caused by pre-ignition. These grooves also prevent carbon build up on the ring land which can cause the compression ring to stick in the ring groove.

The pressure seal groove will prevent gas build up below the top compression ring; these gases can cause the ring to lift from the ring groove. Unseating of the ring will result in compression losses and lower performance.

※ The valves of the 160cc and 125cc head are the same size, there is no difference in valve size between the 125 and 160 4V head.

※ We recommend to install the 140cc B-type 8-holes injector (LINK) if your stock/original engine is a 125cc in combination with this 167cc cylinder kit (Keep in mind that your engine won't run perfect right away, your ECU need to learn, and this takes up to about a 1 hour drive).

※ If your engine is stock/original a 160cc engine, then you still can use the original injector, no need to install another one...

※ Recommended to be installed in combination with our large variator set (LINK), you won't be able to make a higher top speed with the stock/original variator installed.

 

● THIS 167CC / 62MM CYLINDER KIT IS THE CORRECT KIT TO BE INSTALLED ON THESE eSP+ ENGINES:

● 125CC 4V eSP+ (STD BORE X STROKE= 53.5MM x 55.5MM):

  • FORZA125 (2021- )
  • GIORNO+ 125 (2023- ) 
  • LEAD 125 (2022- )  
  • PCX125 (2021- )     
  • SH125i (2020- )      
  • SH125 MODE (2021- ) 

● 150/160CC 4V eSP+ (STD BORE X STROKE= 60MM x 55.5MM): 

  • ADV160 (2022- ) 
  • AIR BLADE 160 (2022-) 
  • CLICK 160 (2021- ) 
  • PCX150 (USA) (2021- ) 
  • PCX160 (2021- ) 
  • SH150i / 160 DIGITAL SOHC (2020- )
  • STYLO 160 4V ( 
  • VARIO 160 (2021- ) 

● 62MM FLAT HIGH COMPRESSION PISTON SPECIFICATIONS: (CHECK BEFORE YOU ORDER!)
  piston-spec-p02b.png

  • A= 21.03MM
  • B= 16MM
  • C= 14.03MM
  • D= 61.95MM
  • E= 14MM

budget-logo-2.png SMART SHOPPER TIP: 

       ※ BUYING MORE THAN 1 PIECE CUT THE TRANSPORT PRICE, AND YOU RECEIVE A 10% DISCOUNT ON TOP OF IT!

   ※ B2B:  

  • Purchases between 2 & 4 pieces of this product will receive a 10% DISCOUNT 
  • Purchases between 5 & 9 pieces of this product will receive a 15% DISCOUNT 
  • Purchases between 10 & 19 pieces of this product will receive a 20% DISCOUNT 
  • Purchases between 20 & more pieces of this product will receive a 25% DISCOUNT
  • Click Here if you would like to know how to check the shipping fee for your order...

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