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Urgent!!! Help Needed Fast

Joined
Jun 3, 2007
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#1
Ok, here goes nothin! Well today was my first day, feeling very comfortable on my bike(I was flying through trails....OMG it was so fun). So I decide to shift to 3rd for the very first time of my riding career (only been ridin for about a month). So I pick up some extra speed, and about a quarter mile in, my bike proceeds to shut off, muffler was smoking, and it stinked. I have no idea what I could have done.

Plz help, before a take it to a mechanic and they charge me 250 for something I could have done in 10 minutes.

I have a '96 RM 250 (she is a beast :ride: )
 
Joined
Feb 20, 2006
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#2
do you have compression? Like when you try to start it, is it hard or really soft? If you have good compression (its hard to kick not super easy) Pull out your spark plug and see if its black. Let us know!
 
Joined
Jun 3, 2007
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#4
Compression is okay.........I took the plug out, it looked fouled (very black) put a new one in. tried to start it, didnt work. I'm gonna kick it a few more times, and see wats goin on. Be back with the results.
 
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Jun 3, 2007
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#6
Ok, I tried to kick it over for about 5 minutes.....didnt work........and the compression seems to be a little more soft. This is depressing.
 
Joined
May 10, 2007
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#8
check the air filter. i dont think thats the main prob but just check it.

if it seems like its losing compression you might wanna check the rings and piston.
 
Joined
Apr 8, 2007
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#9
flyingfuzzball said:
you might wanna check the rings and piston.
dont go ripping into it untill you know for sure what the problem is. it could be something as simple as being out of gas...
 
Joined
Nov 30, 2003
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#10
Do you have spark? How many PSI is your compression? You said your exhaust was "stinking". What did it smell like, did it smell sweet?
 
Joined
Feb 20, 2006
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#12
clean your carb too...wont start if its not getting gas, even though it sounds like its getting too much...try EVERYTHING before your tear that apart..

and yes you can get compression testers for pretty cheap..under 20 bucks..
 
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Jun 3, 2007
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#14
well, guys ive found out what one of my problems was. the spark plug I swapped wasnt sparking. a friend of mine told me how to check for a spark. so I finally got it started. But that still doesnt explain the overheating in the middle of nowhere, I lost about 10 pounds walkin that thing back the truck.