joe blow Posted May 28, 2011 Report Share Posted May 28, 2011 Hi guys, I bought a slightly modified 2005 a few months ago and it runs great. The TORS was removed by the original owner and I recently decided to switch over to a thwist throttle kit. I noticed the last time I took the bike out of my trailer, the throttle rised up a few thousand RPM's and with a quick blip of the throttle it would return back to an idle...SOMETIMES. I figured the thumb throttle was worn or the cables were binding and decided to switch over to twist like I wanted to anyway......I bought the complete kit from pro motion (twist throttle, new cable that biforcates into two, two new caps). I am pretty mechanically inclined and have worked on my stuff for years. I even went as far as measuring the return springs within the slides and all is good. I made sure and meticulously routed the cables as to prevent any steer throttle stretch etc etc. I assembled everything and it worked great.....Problem Solved.....wrong! I rode the bike for a few hours at Pismo without incident and all of a sudden the high revving started again...I though WTF?!?!? I am assuming I have a carbeurator issue since everything from the caps up is brand new. ****Note**** I did notice something odd.....the slides instead of being the uniform aluminum color, they both had some black scuff marks on a few sides. They were not rough like they were scratched but in all my years with bikes I have never seen slides with that disoloration........ but mechanically they worked flawless so I assembled and didnt worry about it. Does anyone have any ideas as to what is happening with my bike? Any help would be greatly appreicated. Thanks Joe Quote Link to comment Share on other sites More sharing options...
ECshee Posted May 28, 2011 Report Share Posted May 28, 2011 Hi guys, I bought a slightly modified 2005 a few months ago and it runs great. The TORS was removed by the original owner and I recently decided to switch over to a thwist throttle kit. I noticed the last time I took the bike out of my trailer, the throttle rised up a few thousand RPM's and with a quick blip of the throttle it would return back to an idle...SOMETIMES. I figured the thumb throttle was worn or the cables were binding and decided to switch over to twist like I wanted to anyway......I bought the complete kit from pro motion (twist throttle, new cable that biforcates into two, two new caps). I am pretty mechanically inclined and have worked on my stuff for years. I even went as far as measuring the return springs within the slides and all is good. I made sure and meticulously routed the cables as to prevent any steer throttle stretch etc etc. I assembled everything and it worked great.....Problem Solved.....wrong! I rode the bike for a few hours at Pismo without incident and all of a sudden the high revving started again...I though WTF?!?!? I am assuming I have a carbeurator issue since everything from the caps up is brand new. ****Note**** I did notice something odd.....the slides instead of being the uniform aluminum color, they both had some black scuff marks on a few sides. They were not rough like they were scratched but in all my years with bikes I have never seen slides with that disoloration........ but mechanically they worked flawless so I assembled and didnt worry about it. Does anyone have any ideas as to what is happening with my bike? Any help would be greatly appreicated. Thanks Joe stock carb slides always have that tarnishing black shit on them. maybe an airleak as to your revving problem? Quote Link to comment Share on other sites More sharing options...
joe blow Posted May 28, 2011 Author Report Share Posted May 28, 2011 stock carb slides always have that tarnishing black shit on them. maybe an airleak as to your revving problem? Ok on the slides....but how would an airleak cause the revs to be out of control. I can run it without the K&N's and it doesnt change.... Quote Link to comment Share on other sites More sharing options...
ECshee Posted May 28, 2011 Report Share Posted May 28, 2011 Ok on the slides....but how would an airleak cause the revs to be out of control. I can run it without the K&N's and it doesnt change.... doesnt have to be in the filters....could be intake boots, any gasket, crank seal...do a leakdown test. Quote Link to comment Share on other sites More sharing options...
joe blow Posted May 28, 2011 Author Report Share Posted May 28, 2011 (edited) doesnt have to be in the filters....could be intake boots, any gasket, crank seal...do a leakdown test. Ahhhh....once I posted I started thinking.... I found the sticky for making a leak down tester....pretty straight forward. Now the question I have is when I charge the sytem with 6psi, If a leak is found....I am assuming that is NO good? Would this mimic a vacuum leak on a gas engine type scenario? Thanks Edited May 29, 2011 by joe blow Quote Link to comment Share on other sites More sharing options...
BUILDER Posted May 29, 2011 Report Share Posted May 29, 2011 Stock carbs are very well known for the throttle sticking. I doubt you have a air leak. Take your slides out and clean then relly good with carb cleaner and also put some carb cleaner on a rag and clean the inside of the carb really well and your problem will go away for now. They get a film of oil on them and then they start sticking. Quote Link to comment Share on other sites More sharing options...
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