CVT Upgrade

[sidthesloth]

If it is all fitted correctly, the ramp plate won't rattle, it will be held tight by the boss.
My rattle is sorted, I put the new bushes on the old variator and put that back in.
 Am now looking for some a little more robust. Can't seem to find anything though.

[thebatman]

HEy sid, i sent you an email also but the zx belt is 29 inches around.(you have the correct # for it tho)...(i also believe they are 729*18.5*28)
I cant find me old s9 belt but the pack on the new one says PL30504(748*18*28). I can take the cvt cover off if you need me to.. (need to put cover gasket back on anyway...lol)
Let me know if you need other measurements or ?. Hope this helped some anyway...lol

[sidthesloth]

Nah mate, don't go pulling it apart, we'll get the info as people replace their belts. I'm still running the speedo off the dial, my belt is down to 15mm wide, a new belt should give her a bit of a kick in the pants.

[thebatman]

I'd love to knw how your doing that??? running the speedo off the dial that is......
she's hard to 50 will pull to 55. a good 55mph

[thebatman]

Maybe i should add that the speed is gps speed..(with the larger tire, my speedo fell in line with the gps on my cell phone.)(speedo changed 5mph that day with the 120/70)

[sidthesloth]

I am running a 120/70-12 on the front and still way out. I get the needle down to the oil can. The last time I had a good down hill run I backed of because the engine sounded like it was over revving. Don't want to blow her up. It is only now that I see the condition of the belt, I know why.

[sidthesloth]

Replaced my worn belt with a new stock one, 23100-KCX-9000. I have been running 1,000 torque spring, 2,000 fly springs and 8 gram Dr.Pulley sliders. After putting the new belt in, the initial takeoff felt good, but soon evaporated, jumped straight up through the "gears". I don't have a tacho, yet, but at cruising around town the engine speed sounds to be down a quite a bit compared to what it was. My thinking was either a stiffer torque spring or lighter rollers (sliders). My only option at hand is 5gram or 6 gram rollers (cheapies) or 6 gram Dr. Pulley sliders. I put in the 6 gram sliders, went for a ride, take off is a little better, but still jumps up through the "gears" too soon. Any ideas? With the 6 gram sliders I am starting to lose the cruise for engine speed, round town cruising, engine speed is up higher.
On a side note, with the 8 gram sliders, I still wasn't using the full range of the variator, so I might put my 732 belt on for a try in a couple of days.

[thebatman]

Hey sid,Have you ever re greased your t.d?
That sure helped mine out... Wonder if 7.5 would be a good set?
I hope to try some 8.5's today myself...    You can mix for a test, maybe try 3 8's, 3 6's to get 7g.....

[streido]

Try a 1500 or 2000 torque spring maybe? I plan try that on mine soon to see how it does.

Take it on your new belt you tried, width and length is the same as he old one?

[streido]

Oh and by the way, the rattle I had on page 1 of this thread has gone

I fitted a new clutch, changed my torque spring and while I was in there I decided to swap my smooth boss from Scooter Assassins I had in with my original stock boss that I had lathed off the lip on to make it smooth. Rattle gone now so was something to do with one of those things, I suspect the boss, fine now anyway.

[sidthesloth]

Yeah, I cleaned and greased it with g.p. grease, then a couple of weeks ago I did it again with h.t. grease.
With lighter sliders, I am running higher revs, but still going up through gears too soon, contradicting in itself. Yeah streido, it is the genuine belt. Maybe the 2,000 spring might be the go.

[streido]

Weird. You would think the same set up, on the exact same scooter should give the same results. 

[sidthesloth]

New belt roughly 18mm wide, old belt 15mm, makes a big difference.

[streido]

I would've thought the wider belt would ride higher on the rear pulley? Keeping it in higher gear longer?

Going to be trial and error till you get it all running well together then I guess? Surely the 2000 torque will help a fair bit tho so you may get away with just doing that.

Raining heavy here today so i cant play at being a mechanic on mine today. Sure you will keep us posted how the 2000 works if you do fit it, I want to try that in mine.

[sidthesloth]

If I do order one, it will take a couple of weeks to arrive. Don't hold your breath.