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Took it all apart again the other day, put the stock variator on with the sliders. It's not bad, but I do have some shuddering of the clutch so I'll have to pull the clutch off and sand the pads to get rid of the glazing. They were slipping pretty bad after riding 40 miles or so today.

The spring does look to be the right size, it had just been a while since I had seen it.

I'll probably start looking into clutches and whatnot.

I'd also like to figure out a way to get better cooling in there.

Nope, still can't get the damn clutch apart.

Pretty sure mine is the same part number.

Sounds like a short. Start chasing wires...

Torsion controller is on the clutch right? The white spring that came with the Multivar... can't see where that one goes. The big spring in my clutch unit is way bigger around if I recall.

So... the sliders came in the other day...

The pickup is gret until like 15MPH, then it falls off. Takes forever to get to 30ish and it will creep up to 35 even slower, only if I'm on a flat. It's really weird though, because it's definitely turning more RPM, the whole time. I also notice between 31 and 34 indicated, there is a lot of harmonic feedback that reverberates with the exhaust sound. Kind of like driving two cars side by side at the same RPM, playing hell with your ears.

I'm also disappointed that the Malossi rollers (9g) that came with the Multivar had flat spots on some of them, at only 200ish miles.

Do these things take a while to break in too? Should I try popping them into the stock variator and pull out the Malossi?

Your scooter should have come with a larger jet and a smooth variator boss. Most US dealers install these before delivering the scooter. The parts should be in a plastic bag under the seat. If you didn't get them, complain to the dealer and tell them that you want the parts that came with the scooter and you want them installed like they should be.

Even with the parts, you're going to peak out around 35-37 on the flats, maybe even a bit less, as you're a bit heavier than I am (no offense).

For more speed, you'll want to do an exhaust and filter (and or remove the intake snorkel). By doing these, you're going to need to test different jet sizes to get the optimum fuel mix.

You'll also want a performance variator with lighter weights, and a torque spring for your clutch that will make it grab later.

Everything I've read tells me that everything I listed here should be enough to get you at least over 40mph and pretty close to 45. This is what I'm slowly working to, but I'm on a tight budget as I've been buying too many parts for my car as well.