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22T / 428-PITCH FRONT SPROCKET (CBR250/300R - CRF250/300 L/M....)

YUMINASHI 22T / 428-PITCH FRONT SPROCKET (CBR250/300R - CRF250/300 L/M....) (23801-KYJ-422)

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  • YUMINASHI 22T / 428-PITCH FRONT SPROCKET (CBR250/300R - CRF250/300 L/M....) (23801-KYJ-422)
  • YUMINASHI 22T / 428-PITCH FRONT SPROCKET (CBR250/300R - CRF250/300 L/M....) (23801-KYJ-422)
  • YUMINASHI 22T / 428-PITCH FRONT SPROCKET (CBR250/300R - CRF250/300 L/M....) (23801-KYJ-422)
  • YUMINASHI 22T / 428-PITCH FRONT SPROCKET (CBR250/300R - CRF250/300 L/M....) (23801-KYJ-422)
YUMINASHI
RM108.57
SKU:
23801-KYJ-422
Weight:
300.00 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● 22T (#428 PITCH) YUMINASHI PRO-SERIES FRONT SPROCKET (CB250/300 & CBR250/300R ENGINE SWAP) (23801-KYJ-422)

● This Special 428 pitch front sprocket has been designed for the MSX/GROM/MONKEY CBR 250/300cc engine swaps scene to match up with a 428 chain and rear sprocket (LINK) for an easy and complete conversion.

● This 22T sprocket has been released to allow you to create more clearance between your chain and your swingarm, which can be an issue with the 16T or other number sprocket.

※ The crankcase need to be grinded slightly on 3 spots with a grit #60 Sanding Flap Wheel Ø25x25mm (Sanding Flap Wheel is included, it comes with the sprocket) to create clearance for the 428 chain. 

● The YUMINASHI Pro-Series front sprockets has been specifically designed for the racing scene and is fabricated from Japanese SCM415 Chromoly Steel Alloy to meet the highest standards for on-road and off-road racing.

● SCM415 Steel is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality medium carbon, Oil Quenched & Surface Hardenss is 58-60 HRc.

● Through accurate machining and by using only the best grade of Japanese SCM415 Chromoly steel alloy for front sprockets, ensures Maximum Durability performance for both Drive chain and sprockets.

● YUMINASHI sprockets are manufactured the right way, this means by hobbing, machining and drilling which is the only proven way to achieve the closest of tolerances and the best teeth profiles.

● The YUMINASHI Pro-Series sprockets are heat treated and hand finished to perfection, all sprockets meet or exceed the highest possible quality standards set for the motorcycle industry.

● THIS 520 TO 428 CONVERSION SPROCKET IS THE CORRECT SPROCKET TO BE INSTALLED ON THE SHAFT OF THESE ENGINES:

HONDA:

  • CBR250 R/RA-B, C, D  (2011-2013)
  • CB300 F/FA-F, G, H, J  (2015-2018)
  • CBR300 R/RA-E, F, G, H, J  (2014-2018)
  • CBR300 R/RA-  (2019- )
  • CBF250  (2004-2005)
  • CRF250 M-D, E, F  (2013-2015)
  • CRF250 L/LA-D, E, F, G, H, J  (2013-2018)
  • CRF250 RL/RLA-H, J  (2017-2018)
  • CRF250 Rally  (2017- )
  • CMX300 A Rebel  (2017-2018)
  • XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4  (1996-2004)
  • XR250 III S (Baja)  (1996)
  • XR250 Baja Japan (1997-2007)

● CB250/300 - CBR250/300 ENGINE SWAP SPEEDOMETER / SPROCKET RATIO:

● If you would like to install the stock CB or CBR250/300 speedometer in combination with the 12inch MSX/GROM or Z125 MONKEY wheels, then a 428 22T/45T sprocket (LINK) combination should point you pretty much in the right direction...

● You can use the final drive sprocket ratio guide below to see which rear sprockets you could install in combination with this 16T front sprocket, and to see the ratio results to fine tune your sprocket combination. 

final-drive-sprocket-ratio-yuminashi-guide-p03.png 

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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