Question about 2005 KTM 50 Senior Adventure
2002 ktm pro senior will not start after replacing the piston but it was running great before we changed the piston. We have a spark and efficient fuel but it still wont fire.
Did you check youre compression and did you use the right size piston for the head also did you measure the cylinder bore for tapering
Posted on Mar 30, 2014
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Posted on Jan 02, 2017
SOURCE: 07 ktm 450sxf wont start
take your carb out, clean the entire thing, that means every nook in that *****. do this and if still a problem write back because in most cases were n idiot is involved, this is the most over looked problem
Posted on Feb 17, 2009
SOURCE: have a 2007 ktm 50
You likely need a smaller pilot jet in the carb.
Try screwing the air screw in and out - if screwing it out seems to help then you need to change your pilot (low speed) jet. I don't have any recommendations for you as far as size, but just get one the next smaller size from what's in there now. When perfectly sized, your air screw will like to be set around 1.5-2.0 turns from seat.
This could also be a sign that you need a new ring. The rings don't last long in these bikes - you need to re-reing quite frequently. it's a very common thing. Lower compression from a worn ring will make the motor act as if it's too rich due to incomplete combustion and lower combustion temps. A worn ring will show up at lower engine speeds first- much like you describe.
Posted on May 24, 2011
The engine is running too rich. The carburator needs tuning to get the fuel mixture correct or the choke may be stuck in a partially closed position.
Posted on Feb 11, 2012
Testimonial: "Hi Chris, many thanks for your feedback. You were 100% correct! I performed what you stated and she fired-up! Thanks again..."
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