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

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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
19.039,74CFP
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)

 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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