Question about 2000 Yamaha DT 125 R

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Yz 250 wont kick start

My yz 259 wont start with a kick but starts when i bump start it can you tell me how to fix it

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  • andersondts Feb 03, 2009

    MY YZ 250 IS A MOTOCROSSER IT DOSE NOT HAVE A BATTERY

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To knight, this bike doesnt have a battery and he did mean bump start i am pretty sure. i dont have a solution but i do have the same problem.

Posted on Mar 24, 2010

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  • Yamaha Master
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Hi andersondts.

To get you right there i believe it should read as 'jump' start and not 'bump' start ...:-)
Well the problem could be with the battery, is it a maintenance free (dry) or is it a wet 0ne (uses sulphuric acid specific gravity 1250).
( 1) How old is the battery?
( 2) If its a wet one ,check the specific gravity of the acid in it, if its low thn charge it.You may hve to add or top up to its required level , if so thn use distilled water only !
( 3) If the battery is more thn 17months old ...replace it.
( 4) Its not bad to get the charging rate of your bike to make sure that it is working properly as required.

I hope this will help.
GOOD -LUCK.

Knight.

Posted on Feb 02, 2009

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You obviously look after your machine and very sensible when laying up, however as you are probably aware 2 strokes rely heavily on compression, A. to produce excellent combustion and B. to draw fuel into the chamber. So when you try kick starting you can't get enough revolutions to draw the correct amount of fuel into the cylinder, where as you push start you constantly turn over the engine increasing compression slightly and bingo it fires.
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Press the Blue button please for my FREE effort,
Thank You!
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