Question about 2000 Yamaha DT 125 R

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Yz 250 wont kickstart

My bike starts when bumped but wont start of with a kickstart but it used to start with kick untill i put in shed for 3month as wether was bad bike was drained down when put away so has new oil and gas in can you help guys

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  • Anonymous Mar 15, 2014

    WHEN I KICKSTART MY BIKE IT WONT STOP REVING SO I HAVE TO KILL THE MOTOR

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Hi!
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.
Can you remember how when kick starting it before this problem the feel on resistance when kicking over? has it now become a lot easier? if so you possibly have worn or broken compression piston rings.
A compression test will reveal this, I hope this sorts your query?
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Thank You!
Paul 'W' U.K.

Posted on Feb 06, 2009

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Change the spark plug,common problem

Posted on Feb 26, 2009

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Take the spark plug our and squirt some light weight oil in the cylinder or penetrating oil. Kick it a few times and it should turn over. Replace the plug and kick start it again.

Posted on Feb 07, 2009

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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.

Feb 02, 2009 | 2000 Yamaha DT 125 R

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