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Centrifugal Clutch 1" Bore 14Teeth Perfect for Go Kart Mini Bike. (Chain Size: #40/41/420) This clutch is used primarily on Mini Bikes and Go Karts,Just the thing for a big go-kart or mini bike! Our centrifugal clutch assembly with 1" shaft and 14 tooth 40/41/420 chain sprocket just may be the perfect missing item for your serious garage project go-kart. The 1" bore allows this clutch to work with gas engines larger than 6.5 Hp. In addition, the 14 tooth drive sprocket is made for use with the common 40/41/420 chain size.
carrollcunningham
Reviewed in the United States on February 24, 2025
Good deal
Clyde Anderson
Reviewed in the United States on June 14, 2024
Easy install
ieatchildren
Reviewed in the United States on February 9, 2023
Slides right on. Put some antiseize on the motor shaft to make getting the clutch off later easier. Also grease the clutch shaft or else you'll fry your clutch, plenty of videos on YouTube. Set screws hold it on very well, wasn't able to pull it off at all with them in, if you're using only the set screws to hold it on and not the bolt at the end of the driveshaft (which this doesnt come with), put some threadlocker on the set screws to keep them from backing out. I'll update this later once I've taken it for a ride.
Eric Nelson
Reviewed in the United States on October 3, 2021
So I just ordered this clutch and it looks and feels great. One thing you should know is that the bearing has no grease on it maybe just alittle oil so grease that before using it. I have seen all the reviews that say it worked or more commonly that it burnt up. I do personally believe before using it that the people who burnt them up have too high of a gear ratio or they don’t lubricate them or have too much power going to them. One of the main things it could also be is that some engines don’t rev really high so the clutch may slip and never fully engage so it may lead to overheating and burning it up. I’m going to test this clutch and see for myself on my mini bike which has a 3.5:1 gear ratio which is pretty tall and a 301cc predator engine that make 8-10hp with the stage one kit I have on it and 15ft-lbs of tourqe. If it survives this then this is definitely a good clutch and I should go like 60mph and if not it’s only like 25$ so no major loss. I’ll be back here to give my input on this clutch once I finish the build👍
aaron
Reviewed in the United States on November 22, 2020
Poor design. Not rated for gocart. Had it on a 10 hp briggs . Had to push the cart to get it rolling for the clutch to work. Does fine once its rolling. It also gets hot and slipps. I couldn't get it to drive though flat grass due to slipping clutch
Lynn VanDerwalker
Reviewed in the United States on October 4, 2020
The clutch will not engage.
Richard C
Reviewed in the United States on April 2, 2020
Very good quality, had 3 different ones side by side. You can feel the difference and the construction looks durable, unfortunately, I got the wrong gear ratio. But I'd buy again and i did, got the right one, same seller, transaction went through smoothly just like their products. Thank you.
ian
Reviewed in the United States on June 22, 2019
I’m sorry I did not read the reviews prior to purchasing! The short - didn’t work. The clutch will not grab. Simply slips with little friction.The long - I bought this for a go cart I was putting together for my nephew birthday. I had installed a brand new motor and needed a new clutch assembly. Out of the box the part looks solid and well manufactured. It bolted directly on to The motors 1 inch shaft quite easily. My nephew jumped in and we fired up the motor and he gradually gave it gas. The go cart didn’t go anywhere. I told him to go ahead and give it more gas and the cart barely started to move. His disappointment was written all over his face. I jumped in and gave the cart full throttle and it slowly started to move. After about 100 yards it got up to what I can only assume is TopSpeed. The clutch slipped the entire time. By the time I got it back to the shop the clutch was burning hot. Needless to say my nephew had to return home without being able to play with his new toy and I will be returning this clutch immediately. Extremely disappointed.
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