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Topics - Parkmice

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People 50 / Jetting on People50 2t Polini 70cc kit?
« on: May 10, 2020, 12:09:31 AM »
Hi,

I need advice. I just finished bolting on a Polini 70cc big bore kit on my buddy's 2004 People50 2t.

We are running the stock 14mm carb, stock exhaust, stock airbox (I'm pulling the snorkel). We are in Seattle so we are at sea level and have a lot of hills (no more than 500 feet in elevation).

Running Malossi Multivar with the white contra spring and 9 gram rollers that came in the kit.

I have Kehin jets in 90, 88, 85, and 82. The stock jet was 75.

Anyone want to venture some advice and save me some work?

Thanks,

-Mark

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Technical | How To / Malossi Multivar & belt advice!
« on: April 17, 2020, 06:42:03 AM »
Hi all,

This is my first post, and I need some advice. I'm a motorcycle technician but don't have any experience with scooter CVT's. I do have some experience with snowmobile CVTs though, so I have probably a basic understanding of what does what and why.

I'm working on my buddy's People 50 2t. It showed up his multivator (I suspect the little cushions failed on the steel ramp plate, allowing the steel ramp plate to chew into the aluminum pulley half). I did some research, and decided that a Malossi Multivar would you be a good choice, because he lives in an area with some steep hills.  So I ordered a Multivar kit (with white contra spring) and Malossi Kevlar belt to match from the local Kymco dealer.

I installed the parts yesterday, that wasn't happy with where the belt was writing on the driven pulley. It rides about 12 mm lower than the outer edge at rest. If you look in the attached picture, you can see this belt is even lower than the wear marks made by the stock belt He was running. on a snowmobile, we would be concerned about that because the vehicle would not have low enough gearing to give snappy acceleration from a stop. Am I concerned about nothing?

According to the packaging on the belt, the Malossi #6111153 belt is 734mm with a 30 degree pitch. I think I read somewhere that the stock belt Kymco uses (#23100-KEB7-9000) is 748mm and 28 degree pitch. I could see how a 14 mm shorter belt would  be forced to run lower in the pulley. Am I right about the length of the stock belt? I had the dealer go back and double check the part numbers, and according to the Malossi catalog, these are correct for the 2t People 50.

What should I do? Run it?

Thanks in advance!

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