Sliders/Clutch Springs/Fly Springs

[thelastkahl]

So I am upgrading the variator in my Kymco Vitality 4t with some new Dr. Pulley Sliders.  I originally thought that I would go lighter than the 6.5 gram rollers that come stock, however...when I spoke to the gentleman on the phone about this he highly recomended that I stick with the 6.5 grams as I will most definetly lose top speed with anything lighter than that.  Based on what I have read I thought that this seemed reasonable and he eventually convinced that sticking with the 6.5 grams was the best choice.  I have since had my doubts...I also have a new 1500 torque spring and a set of fly springs coming to replace the stock ones in the clutch. 

Does anyone think I made the wrong decision here with not going lighter?  My goal is top speed...

Any other advice with the springs and the clutch are also greatly appreciated...

[wordslinger]

...i would go with at least 5 gr....

..dunno why he would have said that to you...


..makes no sense....but i'm basing my opinion on what i've found to be true with my A50 4t...



..your scoot may be different...don't think so tho....

[thelastkahl]

Figured...well they won't be here until the middle of the week.  I will post back if they was any improvement.  What exactly will the stiffer springs do for speed?

[wordslinger]

..again, i dunno for sure, with your scoot, but the 1500 should keep your scoot at a higher rpm...try the 6.5s and post back...i'd be interested to know how the stock rollers work with a 1500...

[wordslinger]

..whatr ur fly springs rated at??

[thelastkahl]

http://enviromoto.ecrater.com/product.php?pid=3807551


http://enviromoto.ecrater.com/product.php?pid=5507044

There they are...What do you think a little better acceleration?

[wordslinger]

..that combo looks good....

[Shaka]

The stock 6.5g sliders may work alright with a 1500 contra spring.  The stiffer contra will do essentially the same thing as going lighter on the rollers and give you better acceleration as well as better grip on the belt to keep it from slipping.

[wordslinger]

...i need a 1500 in my life...

[thelastkahl]

Okedokey.  I will def post back any new found speed or acceleration.  I appreciate the quick responses. 

[wordslinger]

..we're here...sometimes we ain't...

..but i'm considering replacing everything in my cvt at once...i have a bunch of miles on my OEM parts, and i've worn out my aftermarket parts..

[Shaka]

Okedokey.  I will def post back any new found speed or acceleration.  I appreciate the quick responses.  

Me too!  I've been busy with other stuff, but I think that will get my cvt perfectly dialed and I'll be done with tuning my scoot!  For now anyways!

Okedokey.  I will def post back any new found speed or acceleration.  I appreciate the quick responses.  

No worries!  Good luck!  
Ps.  I've also found the sliders are easy to bore out on a drill press to shave some weight if needed!

[thelastkahl]

Results not good with combos of lighter sliders(5.5 gram) and stiffer clutch springs and Torque springs...it did accelerate better...but nothing fantastic...however...top end speed was drastically decreased...31 miles per hour...back to the restricted speeds...I put in the 1000 torque spring and the stock fly springs and basically the same result...I am gonna try going back with the 6.5 gram...if that doesnt make a difference I am going back with all stock parts with CVT other than the sliders...what do u think...any advice?...also when putting the belt back on the boss I have a very hard time...any little secrets?

[wordslinger]

...wow...didn't expect that..

..did your engine rev really high thru takeoff, all the way to top speed??

[wordslinger]

...okay, here's a thought kahl...

..how many miles or kms do you have on your scoot??