Author Topic: SYM VS125 Roller and belt sizes?  (Read 5840 times)

xt500a

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SYM VS125 Roller and belt sizes?
« on: March 28, 2012, 11:23:39 PM »
Hi,
its getting a bit confusing trying to find info for replacing my belt and rollers.
1. The SYM manual specs that width of the belt should be 19.5 and 20.5 mm and does not spec the length.
Various scooter part seller and ebay sellers state that the width should be 19.50 and the size anything from 800mm to 817 mm (!)
 
2. the rollers sizes are connfusing too. Manual says 18mm height and 14 grams in weight. This is not to be confused with widely advertised from sellers 18X14 which indicates heightXwidth NOT weight.

So what is the size and can rollers be changed for sliders and what are the slider sizes?
Ta
xt500a@yahoo.com

sidthesloth

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Re: SYM VS125 Roller and belt sizes?
« Reply #1 on: March 29, 2012, 11:53:15 AM »
I think the size is indeed 18x14 and the weight is 14.5 grams. If you buy the Dr. Pulley sliders, the 18x14 would be the ones you want. When I finally get around to putting mine in, I will let you know how they are.

sidthesloth

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Re: SYM VS125 Roller and belt sizes?
« Reply #2 on: March 31, 2012, 04:02:38 AM »
I have just put the sliders in. The rollers are 18x14 and 14 grams, sorry but I did not measure the belt.

xt500a

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Re: SYM VS125 Roller and belt sizes?
« Reply #3 on: April 01, 2012, 07:25:29 PM »
So any sliders measured 18X14 will fit? What brand did you fit and how's the bike running compared to the old ones?

sidthesloth

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Re: SYM VS125 Roller and belt sizes?
« Reply #4 on: April 02, 2012, 03:01:12 AM »
Dr. pulley sliders. I put in 14 gram ones as I bought them when I still gpad the 125 engine in. Will go up to 16 grams when I get around to it. Take off is nice, but top has suffered, struggles to get to 100km/h, indicated, but that is not an issue for me.

sidthesloth

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Re: SYM VS125 Roller and belt sizes?
« Reply #5 on: May 04, 2012, 05:35:57 AM »
A correction, the 14 gram rollers must have been from the 150 engine. I changed drive bosses yesterday and the two sets of rollers I have are 14 grams and 10 grams. So it seems that the 125 might be 10 gram rollers.
I will check in the manual when I can.