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79MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...)

79MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-790)

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  • 79MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-790)
  • 79MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-790)
  • 79MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-790)
  • 79MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-790)
HOYAKI
฿5,724.00
SKU:
13101-KYJ-790
Weight:
320.00 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● 79MM HOYAKI RACING PISTON SET FOR CBR250R / CBR300R / CB300F / CB300R... (OVERSIZE 3.00)

● High quality light weight 79mm racing piston with a heat resistant coating to fight engine knock and with build-in anti-detonation grooves.

● With this lightweight racing piston you get a higher compression engine which makes a better burn, and the cylinder displacement will be changed on the 250 engines from 249.38cc to 269.46cc, which goes on the 300 engines from 286cc to 305.65cc 

※ Need to be installed with the 79mm Yuminashi Copper Head Gasket (LINK)

※ This piston is a KYJ piston type which was used on both the CBR250R and the CRF250L and M engines from 2011 until 2017, so you need to be careful if used on a 2018-2021 and 2021+ bike, and modify the piston or the head if required!...

※ Recommend to remove the restricted stock air filter box and to be installed in combination with the 360cc/min injector (a.k.a. "CRF450R injector") (LINK)
※ The 42.5mm Throttle Body Upgrade set is also available, and the details about this can be seen at this page (LINK)    

THIS RACING PISTON SET INCLUDES:

  • 1 x 79MM PISTON
  • 1 x 79MM PISTON RING SET (LINK)
  • 1 x WRIST PIN 17x45MM
  • 2 x CLIPS 17MM 

budget-logo-2.png SMART SHOPPER TIP:

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

   ※ B2B:  

  • Purchases 2 pieces or more of this product will receive a 10% DISCOUNT 

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