Literally, every time I twist my throttle on my 2008 KTM 250 SX-F it sticks in the position I twist it to. there's a tad resistance and it doesn't flop around when I twist back closed so I think the spring is good. maybe it just needs some lube? it doesn't get stuck just kinda feels like the throttle tube is pumped up with grease. it's just tacky. any ideas??? lube???
Yep, lube lube lube.
Take your throttle grip off and lube up your cables.
Check for quick return while it is apart.
Now make sure the grip is not rubbing (common problem), and just move it out till it is free, lube and tighten it back up in this position.
If that doesn't work check for worn out cables?
Good luck.
SOURCE: ktm 250 sxf 2008 backfires
go on google check the air mixture and altar the air screw on the carb to wot u find on the net easy job thers only 2 screws on the carb
SOURCE: DRZ250 2007. throttle sticks momentarily
To eliminate which is causing the sticking:
Remove cable lug from throttle tube and roll throttle back and forth with 1 finger. It should roll very easily.
Now with cable still undone from the tube, grasp the cable lug and pull it straight out and slowly feed it back into the cable sheath. If it sticks, then remove carb and top of carb. Leave slide attached to cable and pull the cable out by the lug like you did before. Watch the spring compress and extend as you slowly let it back out. if it sticks again this time, you mostly likely have a single broken strand that is snagging on the coil shaped section of the sheath. If not, then you have an issue with the slide not freely traveling in the tracks, or the main jet needle not smoothly reinserting into the hole of the main jet.
Back to the very first test. If the throtle tube stuck at any point with the cable unattached, remove the rubber grip and check for cracks or breaks in the plastic throttle tube. With the rubber grip removed, and tube still attached roll it again with one finger. If it moves easily, take a look at the large round part of the grip. was it rubbing on the housing of the brake reservior?
let me know what you find, well get it figured out. - astrawoid
SOURCE: My throttle is very hard
SOUNDS LIKE TWIST GRIP ON HANDLE BAR IS STICKING REMOVE IT CLEAN INSIDE IT WITH WD40 IF THIS DOES NOT CURE IT STICKING YOUMAY NEEDTO REPLACE IT GOOD LUCK
Testimonial: "Thanks alot I`ll try that and see what happens if it doesn`t help I`lllook for a replacement, Mahalo John"
SOURCE: Have a 2006 ktm 250
washer between timing pin have you put it back in? Otherwise your crank is locked!!
edisonman Aug 02, 2008. just want to let
you know all the videos that you have done has helped me and a lot of
other people!! Keep it up and do more.
http://www.ehow.com/video_2330186_adjust-motorcycle-throttle-cables.html
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