Hello everyone! Im new and could really use alittle help lol

[Garyquick]

And i got that 8 th sprocket wirh 5/8 bore but i think my jackshaft bore is 3/4 is im reading and measuring right

 

[Garyquick]

Im thinking i might have to replace my jackshaft? I found 1 with a 5/8 bore that comes with a 8 th sprocket? Any advice?

 

[anickode]

Buy the right sprocket for your jackshaft.

To swap the jackshaft, you'll need to replace the shaft, the bearings, possibly the bearing mounts, etc. One sprocket is gonna be cheaper than that.

---------- Post added at 05:30 PM ---------- Previous post was at 05:27 PM ----------

If you bought one of the Chinese TAV2 clones, you won't need the jackshaft anymore. The mounting plate bolts to the engine and houses the driven pulley and stub jackshaft all in one unit. Just move your axle sprocket over so it lines up with the new one.

 

[Garyquick]

Well heres rhe back of my kart without the engine

 

[Garyquick]

Ok i guess that 54 th sprocket i could just unscrew and move it over the other side and line it up?

 

[Garyquick]

Heres some more pics of my set up on the back of the kart it doesnt look like i could just move it to the other side... Maybe take the whole axle off and put the sprocket on the other side? And id have to move that pc of metal thata bolted under the engine mount plate?

 

[Garyquick]

Im not sure hopefully theres a option c but a would be for mw to change my jackshaft and b would be for me to take off my axle so the sprocket is on the other side snd to turn that metal slab engine support to othwr side where sprocket is now? Any ideas at all would be amazing! Lol

 

[bob58o]

OK so I guess I wasn't very clear and I should have paid more attention to the pics. The 8T sprocket goes on the TC to replace the 10T that comes with the kit.

My suggestion was that you go straight from the TC to the rear sprocket and bypass your current jackshaft. The jackshaft on the TC is 5/8". It would require you to move the rear sprocket to the other side of the axle. Pulling live axles to do such things is not very fun. And Ya moving that engine support doesn't look fun either. Is there an similar place on the opposite side where you could bolt it to?

---------- Post added at 12:36 AM ---------- Previous post was at 12:34 AM ----------

Or if there is room to connect from the TC sprocket to your current jackshaft, then you could do a 1:1 ratio on the JS(same # of teeth on both js sprockets) and then use the Jackshaft to keep the rear sprocket in place. Like do the 8T on the TC to a 12T on the Jackshaft(you already have this sprocket, but on the other side), then do another 12T(already in place) on the Jackshaft to the rear 54T sprocket.
You might have to raise the engine a bit (maybe a lot? 3-4") for the TC backplate to clear the current JS. Maybe move the engine a tad to the left (if looking from the rear) for the TC sprocket to align with the JS sprocket?

Once you get the clutch off, bolt the TC backplate the the engine and mock it up. See what you need to do to clear the current JS and align the sprockets.
12/8 = 1.5
54/12 = 4.5
1.5*4.5 = 6.75

Final Gear Ratio = 6.75:1
Ratio at engagement = 18.77:1
Ratio in Overdrive = 6.08:1

 

[Scout]

I don't think he can just move his sprocket to the other side, I think that's a differential. He may be able to flip the axle over and have the sprocket on the same side as the PTO.


I'm getting confused at some of this. Gary here is going to have to slow his *** down and not buy any more parts until he understands what he wants and what he needs and how to do it in order to get to that point.

Gary, if you are having trouble reading your tape measure, try sticking wrenches on the jackshaft and see what the smallest wrench is that fits. It should just slip on, if it has a lot of wiggle (play) try some metric wrenches.

 

[Garyquick]

Yea i got alittle carried away buying a few things lol but figured me having them i could just do it all at once and get everything in place my jackshaft has a 3/4 bore but i made a video on youtube cause a guy on there tman is trying to help me to but if you look at the video you can see what i mean and get better visual understanding i tried to post it on here but wouldnt let me. Search my name and it comes right up gary stancavage thanks guys

 

[Garyquick]

But my jackshaft is 3/4 inch bore and the bore on the driven on tc os 5/8th i see i dont need the jackshaft just with the placement of the engine mount and supports and the sprockets im really wondering what i should do.. If i have to get a 5/8 jackshaft or some how rearrange the back of my kart.. The jackshaft is always 13 inch long.. Not sure if that helps just thought id throw that in lol

 

[bob58o]

I googled your name. LOL
Careful what you tell people to do. LOLOLOL
The first thing that pops up is not this video.
https://www.youtube.com/watch?v=z0slgqKzUWs

 

[Garyquick]

Haha sry when i searched my name it was on mine but maybe just cause ita mine? Lol im not sure that was the 1st video i ever posted lol https://youtu.be/z0slgqKzUWs

---------- Post added at 07:48 AM ---------- Previous post was at 07:46 AM ----------

I googled your name. LOL
Careful what you tell people to do. LOLOLOL
The first thing that pops up is not this video.
https://www.youtube.com/watch?v=z0slgqKzUWs

Haha i meant search my name on youtube lol but thanks for posting the video and hopefully that will help you guys to understand more when im trying to say cauaw you guys could actually see it lol

 

[Garyquick]

But tman is saying the easiest way to make this right is to just replace the jackshaft.. I know i dont necessarily need it but in order to not have the jackshaft and run tc directly to my axle sprocket id have to turn around the axle cut some metal and weld.. Which i dont have a welder and to cur metal i have a hacksaw lol the jackshaft will cost about 50 bucks but

 

[anickode]

If everything works out right, you might be able to put a 5/8" jackshaft in there and mount the driven pulley straight to the jackshaft. This is how the original setup probably was. The issue is the spacing between pulleys must be the same as if you were using the mounting plate that came with the jackshaft.

The other option, and probably the cheapest, is to get a 3/4" sprocket that matches your TC sprocket in pitch and teeth. Then run a chain from the driven side sprocket of the torque converter to the new small 3/4" jackshaft sprocket. You would effectively have 2 jackshafts ( the existing one, plus the stub jackshaft on the driven side of the TC), but then you'd be buying one sprocket and a short bit of chain instead of a whole new jackshaft and bearings and jackshaft sprockets. This would also eliminate having to get the torque converter alignment and spacing exactly right, since you'd be using the factory mounting bracket.

 

[Scout]

Ok so i think i got this lol me and my bro counted a few times but the clutch is 12. And the 1 that runs to is 36 then rhe other side is 12 on the smaller one and 54 on the bigger one

Easiest and cheapest would be to change that 36 tooth sprocket for an 18 tooth sprocket. It would cut your reduction in half, about where it should be. My kart has 6:1 gearing and runs about 35.

 

[anickode]

Easiest and cheapest would be to change that 36 tooth sprocket for an 18 tooth sprocket. It would cut your reduction in half, about where it should be. My kart has 6:1 gearing and runs about 35.

Well yeah, but who wants an off road buggy that ain't got the balls to climb a hill?

Plus he's already bought the torque converter I believe.

 

[bob58o]

If everything works out right, you might be able to put a 5/8" jackshaft in there and mount the driven pulley straight to the jackshaft. This is how the original setup probably was. The issue is the spacing between pulleys must be the same as if you were using the mounting plate that came with the jackshaft.

The other option, and probably the cheapest, is to get a 3/4" sprocket that matches your TC sprocket in pitch and teeth. Then run a chain from the driven side sprocket of the torque converter to the new small 3/4" jackshaft sprocket. You would effectively have 2 jackshafts ( the existing one, plus the stub jackshaft on the driven side of the TC), but then you'd be buying one sprocket and a short bit of chain instead of a whole new jackshaft and bearings and jackshaft sprockets. This would also eliminate having to get the torque converter alignment and spacing exactly right, since you'd be using the factory mounting bracket.

Im guessing it is going to be difficult to position the engine where the TC backplate clears the existing js. Doesn't it seem like the engine will have to be raised up 2.5 -3.5"????

 

[Scout]

Well yeah, but who wants an off road buggy that ain't got the balls to climb a hill?

Plus he's already bought the torque converter I believe.

If he doesn't have the ability to cut and weld like he says, then putting a tc on is going to be difficult for him, unless he has someone else do the work.

 

[Garyquick]

Easiest and cheapest would be to change that 36 tooth sprocket for an 18 tooth sprocket. It would cut your reduction in half, about where it should be. My kart has 6:1 gearing and runs about 35.

Did u watch the video my friend? Could i get another sprocket like that but 18th?

---------- Post added at 07:28 AM ---------- Previous post was at 07:27 AM ----------

Im guessing it is going to be difficult to position the engine where the TC backplate clears the existing js. Doesn't it seem like the engine will have to be raised up 2.5 -3.5"????

You have any ideas of how i would do this?

---------- Post added at 07:37 AM ---------- Previous post was at 07:28 AM ----------

If he doesn't have the ability to cut and weld like he says, then putting a tc on is going to be difficult for him, unless he has someone else do the work.

Yea i dont have a welder. : /... To do something like this what kind do u suggest would do what i need just to shop around but any thoughts of what i could do? I fid already buy the torque converter so it would be a shame if i couldnt use it? But if i really cant i guess ill tey to sell it and get another clutch and just change some sprockets? But any ideas would be greatly appreciated!