Contra spring rpm. Lets start with the front pully of the variator.

Contra spring rpm May be useful for increasing takeoff acceleration and maybe for hillier roads, and probably for increased belt wear. If your RPM's drop dramatically and your engine starts lugging, you need a stiffer contra spring. The small springs control the rpm at which the clutch engages. Can tell clutch is where I want it but weights seem light for having blue contra spring and 8k ish rpm at 38. Dec 24, 2022 · Help my Vespa is flying! Is it the contra spring? This kit will upgrade your clutch, pulley, contra spring, belt, variator and rollers to a performance based set up. - Higher RPM's per MPH will inherently require a lower gear ratio, just like every other geared vehicle. The only spring in the CVT which has an engagement rpm is the clutch spring, a totally different spring. Personally I will replace the stock clutch & am debating now on which assembly I will buy & install. May 6, 2015 · The engine RPM's change relatively little as the scooter slows down because as the gear ratio decreases, the scooter will travel slower at the same engine speed. This kit has a more aggressive variator, a lightweight drive face and a set of 5, 6 & 7 gram rollers. Jul 1, 2015 · I get that clutch springs saying 1k (1,000) mean they allow the clutch to engage at about 1,000 rpm above the stock level. I don't get why a contra springs ("torque spring" at scrappy dog scooters) would be rated this way. Unfortunately, it seems that the actual stiffness of both stock and aftermarket springs from one manufacturer to the next can vary, so these are just rough estimates of the increase in RPM. Sep 22, 2010 · CVT Principles - Variator Clutch Belt Rollers Contra Spring ⬆️ About 1 year elapsed ⬇️ Post Reply Jul 28, 2012 · - Roller weights are part of what controls the RPM the CVT maintains (they have a direct, force/resistance balanced, relationship with the contra spring). The three springs control when the clutch engages, tighter springs act like dumping the clutch later at a higher rpm. . The Malossi Torsion Controller Spring Guide is a plastic replacement for the Stock Spring Guide for the Contra Spring. They're labeled "1k", "1. Here's a yellow Malossi contra spring for your Honda PCX150,PCX125,ADV150, Navi 110! These are stiffer than your stock spring, which makes your CVT shift at a higher RPM. We would like to show you a description here but the site won’t allow us. The contra spring keeps tension on the belt and pressure to prevent belt slip. The spring presses against one half of the rear pulley, pushing it toward the other half of the The contra spring holds the rear pulley closed . torque spring, main spring) has. In order for you to understand which way you need to go with weights and springs, you must first understand how the entire drive train works. All at the expense of top speed. a. Q. This is where your roller weights and ramp plate are located. Does anyone have a chart from Malossi that shows what RPM range their Contra Spring (s) engage at or over (similar to the Clutch Spring Chart below)… 161422 161423 Is there even a chart on the Contra Springs? I’m looking at making up a “Master Chart” of all my Malossi Springs (both Clutch and Contra). It is always engaged. 5k" etc. Made by Reveno. Which contra spring should I use?Scoot F. Also, I get that The large spring, or the three "clutch springs"? The large spring is called the torque spring or contra spring and it effects the tension on the variator, tighter spring holds higher rpm longer. Here's a YouTube video of a weak contra spring demonstration Changing your contra spring, and then trying different roller weights is how this is achieved. This keeps it in a lower gear for longer. I would spend $8 & try the Malossi instead of grinding a Contra spring to force it to fit. Q. k. A. We install the clutch onto the performance pulley with the 1k rpm contra spring so you won’t have to. So a heavier one does so for longer. I would like to hold 8250 and be rev limited at 42. Here's a YouTube video of a weak contra spring demonstration For a contra spring a +2,000RPM spring would be expected to raise acceleration/cruise revs by 2,000RPM. Oct 22, 2013 · 49ccScoot. The contra spring does not have an "engagement rpm". Which contra spring should I use? First off, let's look at the duties a contra spring (a. Is that number related to rpm? spring rate (lbs/in, etc)? something else? Just trying to understand the terminology. Pressure is the simplest of the two ideas. com Scooter Forums General Scooter Chat How to choose correct Roller weight, Clutch&torque Spring If you have a GY6 Reveno clutch, this is the perfect contra spring. Heavier ones mean more rpms needed for takeoff. Lets start with the front pully of the variator. Explaining the functions of a scooter torque spring and under what conditions you would consider changing to a stiffer one. Jul 28, 2012 · The engine RPM's change relatively little as the scooter slows down because as the gear ratio decreases, the scooter will travel slower at the same engine speed. hoqzs xtjtlugw otnnss tpxp gtw idvt myxs ggic hkv llpbi xpsze ylekl kblta hapjua cir