Rod problem ?

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YZ250Anthony

Member

Jun 21, 2006

16

0

• Aug 2, 2006

• #1

today i opened the top end on my 95 yz250 and removed the cylinder (cylinder is fine) and took the piston off and i moved the rod around and noticed the rod moved around a little bit to the side( side to side ) but not alot, just a tiny bit, but it didnt move around enough to hit anything, is that normal ,should i be worried or should i just install the new piston kit which it needs and not worry about it, any one got suggestions or ideas, thanks :uh:

 

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cr carl

Member

Dec 11, 2005

26

0

• Aug 2, 2006

• #2

mine does that on my cr but i think it is pretty normal.i would say mine moves maybe 1mm side to side.you could always measure it and look in your manual if you have 1.in fact i actually thought the same thing???

 

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YZ250Anthony

Member

Jun 21, 2006

16

0

• Aug 2, 2006

• Thread starter
• #3

yea it moves about 1mm to the sides, anyone elses bike out there do the same ?

 

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cr carl

Member

Dec 11, 2005

26

0

• Aug 2, 2006

• #4

yeah 1 mm i think that is ok their has always been a bit of play in it on all my bikes as long it is to the side your ok mate!!

 

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steve.emma

Member

Oct 21, 2002

285

0

• Aug 3, 2006

• #5

all bikes need some side to side play in the rod otherwise they would seize! its the amount of play thats the key, measureing the rod bearing clearance between the thrust washer and rod is a good way to determine the amount of wear in the lower end without disassembly. for example my clymer manual states 0.25-0.27mm for a 90' yz250. what you really dont want is for there to be up/down play (worn bearings). if you check the rod side clearance ands its excessive then you will need to look at a crank rebuild etc..

 

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YZ250Anthony

Member

Jun 21, 2006

16

0

• Aug 3, 2006

• Thread starter
• #6

thanks for the help