1. 

   ROVER LARRAGUIBEL Active Member

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   Feb 26, 2019

   Gender:

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   Location:

   Chile

   My Bike:

   FZR 250 (2KR) - FZR 250R (3LN) - FZR250R (3LN3) - YZF R6

   Hello friends. I have a 1HX FZR 250 3LN1 engine, and I would like to know the diameter of the pistons and their use limit, the same with the rings and cylinder. I have a manual in Japanese but I can't translate it. Thanks a lot!

    

   ROVER LARRAGUIBEL, Dec 20, 2020

   #1
2. 

   manynathans Guest

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   Nov 6, 2020

   Location:

   Northern Ireland

   My Bike:

   FZR250R 3LN1

   Bore48.000-48.005 mm
   Piston-to-cylinder clearance0.040-0.060 mm
   Diameter 47.945-47.960 mm
   Measuring point (from piston skirt bottom) 5.0 mm
   Piston pin bore inside diamete r14.002-14.013 mm
   Piston pin bore inside diameter limit 14.043 mm
   Piston pin outside diameter 13.991-14.000 mm
   Piston pin outside diameter limit 13.975 mm
   Top ring End gap (installed)0.15-0.30 mm
   Ring side clearance0.030-0.070 mm
   2nd ring End gap (installed)0.30-0.45 mm
   Ring side clearance0.020-0.060 mm
   Oil ring End gap (installed)0.20-0.70 mm

    

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   manynathans, Dec 20, 2020

   #2
3. 

   ROVER LARRAGUIBEL Active Member

   Messages:

   34

   Likes Received:

   15

   Trophy Points:

   178

   Joined:

   Feb 26, 2019

   Gender:

   Male

   Location:

   Chile

   My Bike:

   FZR 250 (2KR) - FZR 250R (3LN) - FZR250R (3LN3) - YZF R6

   THANK YOU VERY VERY MUCH

    

   ROVER LARRAGUIBEL, Dec 20, 2020

   #3

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