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Old 10-10-2009, 05:20 PM   #1 (permalink)
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Default AR125 no power when cold and difficult to start

hi guys, im not sure im in the right place for this but here goes anyway lol, ive searched my problem on google and i ended up joining here hoping someone can help.
i have a kawasaki ar125 that has a couple of problems im hoping someone can help me with, the bikes around 20yrs old (1990 model)

when the outside temp is warm the bike starts and runs sweet as a nut, but when the outside air temp starts getting cold the bike is hard to get started and when it does start there is no power to pull away or even move above 10mph. the engine runs really really slowly (changing the idel speed does nothing to help this either) and when u open the throttle it just makes a kinda boom boom noise like maybe a drum being hit and i have to leave it ticking over for anything between 5-15 mins to get warm and then it has full power and runs perfectly. ive recently replaced the piston and rings and tried a second hand carb i got off ebay but the same thing still keeps happening.

any ideas would be greatfully recieved right now as i dont know what else to try to get this problem fixed.
thanks for your time in reading this and i hope someone can help.
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Old 10-12-2009, 10:43 AM   #2 (permalink)
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Default

Clive,

You are posting on a KTM specific forum.

You might have better luck with your question on this
kawasaki site:

http://www.kawasakimotorcycle.org/forum/index.php


Good luck.
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Old 10-20-2009, 09:34 PM   #3 (permalink)
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Default Ar 125 ?

some would KILL for a clean,street legal, 2 stroke bike like that! or,is that DIE for ? Is that a Canadian model ? Was it sold here in the USA ? Intake problem ?...were those piston port induction ? No exhaust flow restrictions, are there ?
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