| Author | Message | |||
     Bikejunky |
I am kind of polling all you badwebbers here. I recently got my lathe repaired and have been thinking of trying to make a new throttle tube that requires less twist to get to full throttle. Is this something that anyone else would be interested in? | |||
| Fresnobuell |
Yes, I would be interested. However, there are some on the market--but none that I know of that are perfect for the 1125r controls. I have always liked the idea of the progressive throttle cams that give you the stock throttle operation at smaller openings then a quick turn to WFO. | |||
| Bott |
YES | |||
| Txfuzz |
FUR SUR!! | |||
| Lovedabueller |
they make kits for this some where i have seen them to where you can adjust either way. less or more. i will try to find where i seen them. | |||
| Fresnobuell |
Let me clarify, I would DEFINITELY be interested in a throttle cam system that would fit the 1125r perfectly. One major manufacturer had a system that we could adapt to our bikes but the cam was so thick that it necessitated changing out the switch gear to something narrower. Someone used Honda switchgear, I believe. | |||
| Bikejunky |
I am planning on pulling apart my throttle tube to see if there is a way to make a new throttle tube that will fit inside the stock housing so no modification anywhere else will be needed. I'll see what I can come up with. I also was thinking I would make it out of polycarbonate rod as a single piece if things work out. | |||
| Endoman33 |
new parts unlimited supplement book has a listing for the 1125r's | |||
| Fresnobuell |
I am planning on pulling apart my throttle tube to see if there is a way to make a new throttle tube that will fit inside the stock housing so no modification anywhere else will be needed THAT would be the ticket! Keep us posted on what you find out. | |||
| Slypiranna |
Look @ the actuator on the T-Body side, not the Hand control. Much better approach, both mechanically and from a fabrication standpoint, imo. Good luck! Hope you sell the devil out of whatever you come up with! | |||
| Gearhead |
If the 1125R is similair to the XB the throttle cam is not the major concern, it's the lengths of the cables. The stock Buell throttle cables did not have enough adjustment to compensate for the larger cam. To bad, too, the kit I bought for my XB race bike was very a very nice piece. | |||
| Bikejunky |
If the 1125R is similair to the XB the throttle cam is not the major concern, it's the lengths of the cables. The stock Buell throttle cables did not have enough adjustment to compensate for the larger cam. Exactly why I am trying from the throttle tube side. Anyone have a good plastics supplier near them, After research I think I am going to try Noryl rather than Polycarbonate as it is less expensive and should be easier to machine and is non-reactive. My only concern is that I can't get my hands on any to see if it is going to be hard enough without being brittle. If anyone has any recommendations please speak up. I have only machined aluminum so this is going to be expensive if I have to try several materials... HMMM How essential are bar ends? I could use aluminum with sealed bearings if bar ends arent needed... comments? (Message edited by bikejunky on August 10, 2009) | |||
| Bikejunky |
Endo- Are you talking about Cycle Pirates Quick throttle? Havn't seen the update catalog is why I'm asking | |||
| Endoman33 |
Bikejunky not sure i don't have my book here at home. I'll look tomorrow and see. | |||
| Fresnobuell |
Seems to me that the cable would be long enough if we can all get to WFO throttle. It's just how quickly it gets there. The cams are shaped so as you roll the throttle open, it opens progressively quicker. | |||
| Bikejunky |
measured out and CAD the stock throttle tube last night. Should be able to get slightly more pull out of the tube by increasing the O.D. of the tube slightly, and it should still be able to fit in the stock housing. Will start machining as soon as the Noryl rod shows up. I'll keep you all posted | |||
| Fresnobuell |
How does the OD of the throttle tube affect anything? Do you mean the OD of the throttle cam? Long ago we had a discussion here about a company that was making this type of piece. I can't find it now. Heres an article that relates: http://www.webbikeworld.com/r3/throttle-cam/ | |||
| Fresnobuell |
Here it is. It was in the Racing section: http://www.badweatherbikers.com/buell/messages/158 664/421127.html | |||
| Bikejunky |
It's all one piece with the tube so I am being general, the Cam O.D. is what I am changing to answer your question, but I have to make the entire thing out of one piece because I only have the equipment to do that. The only issue is that there is very little extra room to make the cam itself bigger. By my calculation it should speed up the pull enough to drop off just under a quarter turn from closed to WFO without making any other changes to your bike. | |||
| Fresnobuell |
The only issue is that there is very little extra room to make the cam itself bigger. Very true. There a quick fix where you can add a ramp on the cam and under the cable, but no room to do that on our bikes. Hope it works, Junky! | |||
| Bott |
Just curious,from reading a diy post in the thread Fresno posted,would a flexible plastic piece like my horrible drawing work? The double "V" would hold the cables in place,while the lower v would hold it in the cam assembly...just got me mulling things over now.Glad this topic came up. I went from a Tuber to my '25 and thought it was "just me" feeling that the twist from idle to W.O.T. seemed LOOOOONG.  | |||
| Bott |
nevermind...just saw the reason. no room. | |||
| Fresnobuell |
I think the limiting factor is the available room inside the cam housing. There is just VERY little in there. Maybe the correct place to be be looking is at the throttle body like MM said. what kind of device could be used to open the butterflys progressively quicker as you spin the grip? Hmmm. | |||
| Gearhead |
Give Lohman Hafenrichter at http://www.doublezracing.com/ a call or drop him an e-mail. He built the quick throttle for my XB race bike and it was a work of art BUT when you increase the diameter of the throttle cam you need more cable and the stock ones, at least on an XB don't give you enough adjustment so the throttle will not easily snap back. If you get that to work, I'm on board for one! | |||
| Slypiranna |
Again, look at the T-body side gentlemen. All that is needed is a relocated pivot point. Proper design would also yield a single component that would also incorporate the 1:1 throttle lock. This entire threads' concerns were studied back in 08 and shelved as not worth bringing to market from a $ standpoint. Only prototypes were made...three total and they do work! LOL!  Too often, the simplest solutions remain the hardest to overcome...this applies to almost everything in life, let alone mechanical design. If any of YOU do find a marketable solution, please contact Blake for ad space as he doesn't like private posts about market research/ect... ...without first investing herein.  | |||
| Fresnobuell |
Gearhead, I don't think I am understanding the idea of a quick throttle taking more cable. Doesn't the larger cam just move the cable quicker for given throttle turn? Why would the cable length change? | |||
| Bikejunky |
So here is the plan after final measurements. I'll probably be to lazy to put the extra ridge in that stops the grips but the drawing should be pretty decent. use it at your own risk though. amateure at best.  | |||
| Rockstarblast1 |
Can someone post a pic of a set up for a dif bike or what the part needs 2 look like. Lol don't mean 2 steal any ones work but I'm an "apprentice" mAchinist and I'd like 2 give it a shot. Lol idk what the part is that needs altered tho |
amature technical drawing