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Post by TheAmishSasquatch on May 20, 2015 7:18:14 GMT -5
Hi everyone its the man in the monkey suit here with a few qustions on aftermarket clutches. Ill get strait to the point are they worth buying and why? What is the difference between stock and aftermarket clutches (other then ease of tune and ease of maintenance)? If anyone wants to expand uppon aftermarket clutch bells (other then the obvious lighter weight, better cooling and looking cooler), are there gains in these? Thanks for the help everyone.
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Post by oldgeek on May 20, 2015 7:35:16 GMT -5
As Brent has shown, a stock clutch can be tweaked quite a bit to achieve the desired launch.
I only have 1 aftermarket clutch. The main difference I can see is that it has texture in the bell that definitely limits slip, but it comes at a cost. The shoes wear much quicker.
Sent from my SGH-T999 using proboards
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Post by bendover on May 20, 2015 16:08:05 GMT -5
I just bought one, I can report back with analyze. Will get it friday, putting it on this weekend
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Post by filip on May 20, 2015 17:35:00 GMT -5
Yes from me  Depends really what clutch you get. I felt a change from going from a heavy chinese 112mm clutch and bell to minarelli 107mm. My friend went from stock chinese to s6. The s6 is a breeze to tune, no swapping clutch springs yadayada, just put in the ones that are meant for a street setup, adjust the tension with 3 bolts, test, repeat. Done. |
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Post by bendover on May 20, 2015 21:27:46 GMT -5
I just bought one, I can report back with analyze. Will get it friday, putting it on this weekend (sry, misread this, i thought about variator, not clutch  |
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Post by birdman on May 21, 2015 0:32:00 GMT -5
It just depends on the weight of the clutch shoes really, also the more surface contact area the better... The clutch shoes cant be too light however, or you may have alot of slippage on the highspeed WOT runs.
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Post by katastroff on May 21, 2015 5:47:31 GMT -5
IMO, its not worth it on an all stock scooter. Its worth it at a certain point when you start pimping out your scooter, but only after some other mods have been done. 1-top end+pipe 2-variator 3-reed valves 4-carb 5-clutch+bell Just my  |
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Post by TheAmishSasquatch on May 26, 2015 19:32:38 GMT -5
My current setup is technigas RS chrome, CF reeds, Gates Kevlar belt, rec contra spring & yellow clutch springs on stock clutch, Torque drive mod (As per Brents video), Timing pick-up advancment mod (As per Brents video), stock air box w/ no filter element and lastly an NGK plug
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Post by katastroff on May 26, 2015 19:46:37 GMT -5
I think that there's only 1 criteria for a clutch upgrade. Slipperination AKA: the fine art of slipping.
You didnt mention any top end upgrade so i assume you have a stock one. IMO just some deglazing and fine tuning should be more then enough.
Just my 2 cents.
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Post by fe53series3 on May 26, 2015 21:05:24 GMT -5
Hi everyone its the man in the monkey suit here with a few qustions on aftermarket clutches. Ill get strait to the point are they worth buying and why? What is the difference between stock and aftermarket clutches (other then ease of tune and ease of maintenance)? If anyone wants to expand uppon aftermarket clutch bells (other then the obvious lighter weight, better cooling and looking cooler), are there gains in these? Thanks for the help everyone. I think everybody will be interested to read your report (on the performance gains) after you've become convinced to shell out for new kit On this matter, i don't wish to discourage....... but most people equip themselves with much more power first. Taking this into account...... If there has not been a raft of complaints re clutch failure, then it is likely that the stock clutches don't auto-collapse under the strain. I have noted that AM clutches can be had, that are larger diameter. This potentially means more room for larger clutch shoe pads........ but they'd be needed for the increased rotational speed at that circumference. Because of this.... I was wondering if the AM kit was smoke and mirrors. It would be great if you could confirm or deny this  |
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Post by TheAmishSasquatch on May 26, 2015 22:10:32 GMT -5
Im not really understanding your post fe53series3 and I appologize if I wasnt clear in my posting. Im not set or convinced that Im set on getting an aftermarket clutch kit. To be honest it seems that the stock clutch & torque driver in my S9 could possibly be an used as a cheap/reliable "upgrade" to many chinese gy6 scooters (I will have to test further). It already has a 3 shoe clutch (stock) with latge pad surfaces, the driver expans to 38+mm un modified for further belt travel (for instance the tao tao only expands 36mm stock). This might explain why the S9 was such a quick scooter un modified compared to many others that were available at the time, and why they still are quicker. Im simply keeping my options open and trying to learn more about "performance" parts that are redily offered and if the pros out weight the cons or if the aftermarket stuff provides a significant increase over stock/moddified stock parts.
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