Mr.B: I really think the term "rejet" has been miss used by may in the more "recent" years... Most bikes could benifit by "tuning" when delivered from the dealer.. and anytime an intake or exhaust change is made, "retuning" should be looked at... this DOES NOT always require changing jet sizes which would fall into the "rejet" category. In your case if you are only changing the intake (Kury) and running stock exhaust pipes, then a simple A/F adjustment may be all that is required... most extreme scenerio would be adding ONE 0.020" shim under the needle head.. that's it... NO re-jetting... disreguard the instructions and "jetting parts" supplied with the Kury kit.. they will only give you headaches, poor performance and weeks of pulling your hair... read thoroughly the link on 1300 carberator adjustment on this forum and you should have NO problems at all. -- You will not have to pull the float bowl cover and change jet sizes unless you are also installing a high extraction exhaust system... and then it may not be required... just follow the directions and your bike will run immediately after installing your new accessories.I have a 2006 VTX 1300c. I'd like to put a Kury High Five air cleaner on it. I have NEVER rejetted anything. The directions say to "rejet carb". I really think I could do it if I need to, do I need to? If so, what is the easiest way to "get -r-done"?
Shelli: I don't know if I would go to the trouble of manually dumping the float bowl.. How about running the bike until it needs a half tank of fuel or so.. go to the gas station, dump in the Sea Foam (product) and fill the tank (aggitation should be pretty good that way).. Ride the bike home, pull the vacuum hose on the petcock while the bike is running and let it run until it stops.. that should pretty much cover any possibilities for the fuel system for winter storage.i have a 2006 vtx1300 could you tell me how to drain the carb bowl for winter storage
The A/F screw mainly affects the slow speed circuit.. it also performs a fine tuning of the "interchange" from slow speed to high speed circuit, mainly the "response" into the high speed circuit.. very fine tune.I read with great interest your various postings on tuning the VTX car. I'm preparing to begin some mild tuning to the A/F screw to improve drivability after adding aftermarket mufflers.
Turning the screw out richens the fuel mixture. Does this enrichment affect all the operating circuits of the carb (ie: idle, cruise/mid-range, acceleration, high rpm)? Or does it mainly enrich carb operation in only one or two types of driving?
65 pilot jet is too big.. your fuel mileage will be bad and performance could be better.Scar -
I have an 07 VTX retro, Bought it with the Cobra Short Slash-back pipes installed by dealer so i have no idea what was jetted when they were installed. I recently added the dreaded Kurk...Hyper. Pro R air kit.
I've used the 195 main and 65 slow jet and no shims and it runs ok, but hesitates a little. ran for about 20 miles and the plugs were black and she ran FAT.
My thought was to go to the 185 main and leave the 65 slow jet with no shims. Any thoughts?
Also, if i was to shim, do they go under or over the E-clip on the needle?
Thanks in advance.
The needle has 5-6 grooves at the top and the e-clip is in the 3rd spot from the top. Not sure if it is a stock needle or not. Can you tell from that discription?65 pilot jet is too big.. your fuel mileage will be bad and performance could be better.
185 main jet is too small.. especially in DJ sizing.. You need a Keihin or Factory Pro series 393 main jet.. 195 or 200 most likely.. So the dealer stole the jets.. did he also steal the stock needle?
After market pipes and hypercharger you should run a Keihin 195 main jet (or factory pro series 393 #195) and a 55 pilot jet (facotry pro series 21 #55 if you do not have the stock Keihin pilot jet)The needle has 5-6 grooves at the top and the e-clip is in the 3rd spot from the top. Not sure if it is a stock needle or not. Can you tell from that discription?
I'll keep the 195 in place as you suggest (now that I think of it one of the jets (185 or 195) say Factory right in it.
What would you suggest for the slow jet?
Thanks a lot, I will get these jets and try it. Are you able to tell if thats the stock needle by my discription?After market pipes and hypercharger you should run a Keihin 195 main jet (or factory pro series 393 #195) and a 55 pilot jet (facotry pro series 21 #55 if you do not have the stock Keihin pilot jet)
Shim under the needle to 0.04" or 0.06" (two or three radio shack shims) and turn the A/F screw out 2 1/2 turns for initial tuning -- that should get you on the road.
The DJ 195 main jet flows less fuel than a Keihin 195 main jet..