jackshaft

I am having a problem finding a good replacement 2 speed jackshaft assembly for my 1969 Rupp Roadster. Does anyone know of a good direct replacement for this bike and where to find them? I used to see MAx-Torque assemblies on the net, but I can't seem to find them now. Thanks

I need some help with the gear ratio through a jackshaft. The current setup I have is: 10 tooth sprocket_____Clutch 9 tooth sprocket______Jackshaft primary 9 tooth sprocket______Jackshaft secondary 40 tooth sprocket_____Rear Additional info: The clutch is a Maxtorque and the...

Looks bad but it cleans up good

Hello All I am restoring a Bonanza BC1300 and I am in a jam! I bought the replacement jackshaft OldMiniBikes, said it was for a forward peg BC1300...fits perfectly...however, the original had the jackshaft input gear on the outside of the mounting plate. If I mount the input gear between the mounting...

Hello Rupp people! I have what appears to be a 2 speed jackshaft from a Rupp TT500. This from a TT500 I bought from a living legend, whom also claims it has a value higher than what I will offer it at! Yuup, it's old and rusty, but it will clean up and the bearing surfaces look good! The...

Out of curiosity... has anyone got a decent design that would allow for a jackshaft and rear swingarm to share the same pivot point? I've been working to redesign the rear end of my MBX10 to include an extended swingarm and have some concern regarding chain slack as it relates to monoshock...

2 Brand new 3" Brake bands- never used. They are 5/8" wide and the eyelets are sized for a 5/16" bolt. Both for $ 25.00 shipped to all 50 states via USPS Priority Mail, with tracking. Pm me for PayPal information please. Michael

Like it says..NOS Comet 2 speed secondary complete unit. This one was a extra spare I kept around..but not needed anymore. I can't find the lock collers...so it is what it is in the pics. 100 obo plus actual shipping. Located in Center Line Mi. Any questions or comments please feel free to PM...

Complete (NOS) 2 speed jackshaft with the double sprocket clutch, complete and still in the box. $225 shipped. Will add picture later today. Located in Florida.

What's the purpose of a jackshaft on a doodle bug? Looking to buy a used db to drop my clone on.

I had the Terra floater out today for first time and need to do something about the gear ratio since it is boggy. It was fun in the 7" of snow and very different than a small wheel mini. Anyone have a picture on what the jackshaft setup looked like and know what tooth sprockets were used? Did it...

Looking for the low gear and one way bearing for the 2spd. Jackshaft on my CAT 400TS. I don't know if these are universal and are used on other bikes? Comet? Any help would be appreciated! Jamie

Well gang....im finally convinced to make the switch to a jackshaft on my bobnanza! IM SOOOOOO TIRED OF THROWING CHAINS..(no tensioner) So my roomate who is all jackshaft btw talked me into it... lol we shall see! ill post pics when im done!(need to update my bonanza pics anyway now that its...

im getting a predator 212cc engine to put on my baja doodlebug db30 minibike and i was looking at the jackshaft system for it. what would the jackshaft do for this engine? make it faster? why would this be a good investment? should i get it?:shrug:

Have looked but only finding info for jackshaft ratios, nothing with a T/C hooked to a jackshaft. This is the final hurdle and then will be able to put my Trail Blazer together and test run and then off to paint!!!! What I have for power plant is a 212 Predator Keihin 26mm carb and intake...

I replace the jack shaft on my gokart recently. I bought a 14 " long 5/8" jackshaft from OldMiniBikes warehouse and some bearings. [ thanks for the fast service and nice quality parts ] I had to find a way to cut threads on both ends of it for it to work. Having the keyway groove on it was...

I installed a jackshaft on my minibike and need some help :shrug: I have a 6.5 hp running methanol big insides honda/clone motor totally modified - Question: my first jackshaft gear is 13t my second gear has 18t gear itself is 56t how do i figure out if this is good or what...

Were there any bikes or kits featuring a bolt-on jackshaft mount? How well did they work? Or is this something that just wouldn't fly? Thanks for any replies.

What do you guys think will be the easiest? Replace/fabricate plate or try to fix somehow?

Here are a couple of jackshafts I made for my 2 Tule Troopers. These will replace the 2 speed transmission. These were made from 4" x 6" x 3/16" thick Rectangle steel tubing. Keep on puttin' :scooter: