Transmission

Variator Sliders are the spacers between your variator pulley and the back plate. Regular service of these guides is often overlooked and may cause...

Dr. Pulley sliders are the most advanced tuning weight you can use in your variator!  These differ from rollers, as they don't roll in the variator...

OEM Claw Washer This is the washer that sits in the fan and has splines.      

Nut for end of shaft    

Roller Weight Tuning Kit This is probably the best way to go about tuning your CVT transmission!Included in this tuning kit are 12 sets of 3 roller...

Variator Sliders are the spacers between your variator pulley and the back plate. Regular service of these guides is often overlooked and may cause...

16 x 13 Tech pulley flying rollers  Available in 4.5g, 5.0g, 5.5g, 6.0g, 6.5g, 7.0g, 7.5g, 8.0g Allows the variator to close, and open more than tr...

S23 Racing 1500RPM contra spring, designed specifically to be identical to the Italian springs, for less money! Fits yamaha zuma, jog, vino, sr50, ...

Get yourself some fancy 12mm axle nuts! These can be used on several different bikes, in several areas. Use them on axle nuts, or cvt parts! M12x1....

16x13 Rollers, these are for the Zuma 50 with a Malossi, Polini, or Athena variator.  Choose desired weight.  You can check out these rollers, as w...

20x12 Rollers for the 2009 to 2020 zuma 125. Included are 8 rollers to completely fill the variator (yes, only 6 are pictured)  Choose which weight...

16x13 roller tuning kit, high quality and rollers are each labeled to avoid confusion! 

Variator shims, these will fit every year zuma 50. These are used to adjust belt fitment at idle. 

Universal tool for holding clutch or variator. super easy to use, and a great tool to have in your toolbox.  

NCY Complete High quality transmission set for Zuma 125 '22+ *This may ship directly from our supplier Need the secondary spring seat?  Click here

Ball bearing spring seats prevent torsion (twisting) on the contra spring, allowing for a longer life for your spring, pulleys, belt, and other tra...

Compression springs do a couple of things. First they supply the pressure to engage the belt. They also determine the rate at which the CVT transmi...

OEM Zuma 125 2009-2021 variator guide slider. I recommend replacing these when you replace the rollers.  Sold in a pack of three to fully service o...