Flat Spot on Roller at 1800 Miles
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Hooked
GTS 300 Dragon Red
Joined: 13 Aug 2013
Posts: 115
Location: Austin, TX
Sun Aug 17, 2014 10:41 pm quote
I've been running 14g rollers in my Malossi for around 1800 miles. Tonight, we ripped it apart to try out some lighter rollers and found that they were all had some very flat spots in them. Any ideas?

Moderatus Rana
MP3 250 (sold) MP3 500 (current)
Joined: 11 Jul 2008
Posts: 21479
Location: Palatka, Florida
Mon Aug 18, 2014 5:44 am quote
Yeah 1800 is obviously way early for this. I have no direct experience with Malossi varis but check out this thread. Malossi variator? Never again.
Sergeant at Arms
Weird 80's Vespas & Cool Vintage Lambrettas
Joined: 21 Oct 2005
Posts: 7367
Location: The state of insanity, SoCal
Mon Aug 18, 2014 12:28 pm quote
that's pretty typical wear for a malossi roller with that mileage.

it's a racing part, they wear crazy fast. and then they destroy your variator.

the polini seem to last a little better.

-g
Member
2013-300 super, 2015-Sprint 150
Joined: 11 May 2014
Posts: 26
Location: Corpus Christi
Mon Aug 18, 2014 2:12 pm quote
Just got Malossi rollers that are lighter for a new Vespa Sprint (150) at the recommendation of Scooter West. They say this will give me a better
performance. After reading this post I have concerns. Will these new rollers wear faster and will they wear the variator faster? If so what should I stay stock or use another brand?

Thanks
Addicted
Yamaha XMAX 300, Sprint 150, PX 177 Polini.
Joined: 16 Mar 2014
Posts: 620

Mon Aug 18, 2014 2:30 pm quote
What symptoms do you experience with flat spot rollers?
My 300 has a malossi set up and it's been acting weird off the line.
Sponsor
Granturismo 218
Joined: 04 Feb 2013
Posts: 5767
Location: NWAOK
Mon Aug 18, 2014 2:35 pm quote
Both Malossi and Polini suggest you lubricate the rollers. That helps a bit with the wear on the big bikes.

I've not seen any wear issues with the 150 rollers, no matter who makes the roller, and premature wear is not something you see a lot on Italian or Spanish scooter forums, where they do discuss performance and aftermarket parts quite a bit more than here.
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