L&T Racing News

05-02-2016
Good luck kart racers!
L&T would like to wish a successful and safe 2016 season to all our racers!

01-29-2014
L&T EXPANSION
L&T has now expanded to a larger shop. A huge thanks to every racer who has won on our clutches throughout the years! (note our new contact info)

02-07-2013
WKA DAYTONA
We would like to thank all of our customers for a successful opening round. Congradulations to Ryan Raffa for is first win in junior yamaha.


416 Lonoke St.
Dayton , Ohio
45403

Made in America

Frequently Asked Questions Forum


Search below for quick answers to common technical questions from customers.

If you cannot find your answer, ASK YOUR QUESTION HERE.



Clutch: Wet Clutch
Question: For a project, I am calculating the clamping load at the wet 3 disk clutch, and I would need the coefficient of friction for the L&T 100-17 disks. Where can I find that?
Answer:
I do not know.



Clutch: Wet Clutch
Question: I have the spacer that came with the clutch installed with tapered end facing towards the engine, it does not have any cracks, do I need a different spacer?
Answer:
I am not sure if you need a different spacer or not. I do not know what spacer you have or if the clutch is new or used. You might try putting the clutch on a different motor and see if you have the same issue. If you have the same issue and it is a new clutch, you can put it back into the box and send it to us including $10.00 to return it back to you and we will fix any manufacturing defect.



Clutch: Wet Clutch
Question: I have a 3 disc wet clutch and I am trying to install it on a kt100, my question is when I tighten the starter nut any tighter than hand tight the rear wheels will not spin freely while on the stand, if I loosen the starter but the wheels will then spin freely, am I doing something wrong? If I tighten the starter nut down and attempt to spin the rear wheels on the stand it almost seems as if it is trying to start the engine
Answer:
Logan,
The clutch spacer controls your end play. Check to make sure you have the correct spacer. Ours is .105 thick. If used clutch check to make sure center hub is not cracked. If using a bearing style drum make sure you are not using a spacer.
Thanks,
Jeff



Clutch: Mini Clutch
Question: On the 2 disk dry clutch your recommended spring tension is 40-42 psi. Do you have a tool to test them or what do you recommend? And is that 40-42 psi to fully compress?
Answer:
Bryon,
We only have one spring for 2 disc mini. That measurement on PSI was just down to the same certain distance. Not fully compressed.
Thanks,
Jeff




Clutch: Mini Clutch
Question: What does it take to convert a 1 disc to a 2 disc setup? Thanks.
Answer:




Clutch: Wet Clutch
Question: On a 4 disc horstman nytro do I tighten or loosen the the 6 internal springs to make the clutch come in at a lower rpm?
Answer:
I believe you turn counterclockwise to lower rpm on a horstman.



Clutch: Mini Clutch
Question: Is it normal that my kt 100 Yamaha throw oil from my clutch ?
Answer:
Andy,
No . That is not normal.



Clutch: Wet Clutch
Question: Have a wet clutch leaking light green oil out the end of the clutch shaft where the support is. Is some acceptable? Also the rear wheels have a good amount of drag-meaning I can turn the engine over sometimes instead of just free wheeling. Yamaha kt100. Thanks!
Answer:
Boone,
If its green clutch oil it is not L&T oil.If over filled it will leak some. Check drum above threads for hair line cracks. The air gap maybe a bit tight if you are getting drag. When oil heats up it should be fine.
Thanks,
Jeff



Clutch: Wet Clutch
Question: I have a 6 spring 3 disc wet clutch. I cannot get it to slip at all. The friction discs are new, it has new floaters that are .045 thick and my air gap is right at .028. I have tried adjusting from two turns in, to all the way out. I have noticed that a couple of the weight sets have a little wiggle and some are very tight no matter what the adjustment is set at. Any help would be greatly appreciated.
Answer:
Brooks,
It sounds like the clutch is bound up and is direct drive. The drum should have some end play after you install the clutch. If you have end play you should be able to turn the rear wheels when you are on a stand and the motor should not turn over. The discs should spin freely in the clutch before you install it. The drum should spin freely on the crank before you install the clutch. If everything spins ok before you install the clutch and you have drum end play after you install the clutch, I am not sure what the problem is. You can call to discuss if you want.



Clutch: Wet Clutch
Question: Can you add disks to a wet clutch?? meaning convert a 2 disk in a 3 disk? If possible, is it worth it?.
Answer:
Sebastian,
You can convert but it takes several different parts that need purchased. Center hub, straps , springs , weights and towers. This can be done for about 115 for 4 spring and 155 for 6 spring. That is for the parts. You still need to add a floater and disc.
Thanks,
Jeff




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