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78MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...)

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  • 78MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-780)
  • 78MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-780)
  • 78MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-780)
  • 78MM HOYAKI RACING PISTON SET (CBR250R / CBR300R / CB300F / CB300R...) (13101-KYJ-780)
HOYAKI
฿5,724.00
SKU:
13101-KYJ-780
Weight:
312.00 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● 78MM HOYAKI RACING PISTON SET (OVERSIZE 2.00) (CBR250/300R - CRF250/300 L/M - CB300F/R - CMX250/300 REBEL)

● High quality light weight 78mm 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 results in a better burn, and the cylinder displacement will be changed on the 250 engines from 249.38cc to 262.68cc, which goes on the 300 engines from 286cc to 300.88cc

Need to be installed with the 78mm Yuminashi Copper Head Gasket (LINK)

 This piston is a KYJ piston type, 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 78MM PISTON
  • 1 x 78MM PISTON RING SET
  • 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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