Best roller weights for Piaggio zip 2T with yasuni Z?

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Six30
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Re: Best roller weights for Piaggio zip 2T with yasuni Z?

Post by Six30 » Sat Nov 30, 2019 7:00 am

fastbob wrote:
Sat Nov 30, 2019 1:08 am
And don't worry about people giving you stick for riding a 50cc scooter . Try riding a Harley and see what you get .

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Re: Best roller weights for Piaggio zip 2T with yasuni Z?

Post by Stu » Sat Nov 30, 2019 7:39 am

fastbob wrote:
Sat Nov 30, 2019 1:08 am
And don't worry about people giving you stick for riding a 50cc scooter . Try riding a Harley and see what you get .
Pretty sure you're using "riding" very loosely there!
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Re: Best roller weights for Piaggio zip 2T with yasuni Z?

Post by Bianco2564 » Sat Nov 30, 2019 8:18 am

Found this blog explaining about the roller weights.
https://www.pedparts.co.uk/blog/moped-tuning--rollers

If your ped pulls (I use that word loosely) to max rpm already then unless the new exhaust allows the engine to rev higher then the top speed will remain the same as its governed by the max engine rpm and gearing, in your case the diameter of the pulleys.
Changing to lighter rollers will just let the engine spin up quicker so as you accelerate the revs/power will be higher and it will feel faster.
Downside is you will be revving the nuts out of it all the time;noise,fuel consumption and engine life will all suffer.
I appreciate at your age none of the downsides matter, so fill your boots :wink:

I have considered changing the rollers on my Silverwing but its got enough oomph at low revs anyway and good fuel economy is more important to me.

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