2015: FITS ALL MODELS
2016 : FITS ALL MODELS BUT USA. USA REQUIRES 90232011010(CLUTCH PACK) FROM 2015 MODEL
2017-2018 : ALL MODELS REQUIRE 90232011010 (CLUTCH PACK) FOR FITMENT
This slipper clutch by Yoyodyne is perfect for the RC390. The slipper cluth gives you even more control of the 390s great performace. Yoyodyne is known for great quality and you will be able to tell with this unit.
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Heres Air Hennign with the Yoyodyne slipper on the track.
"When Chad contacted me to see if I could test this new prototype slipper, I still had a bunch of work to do to the bike to get it ready for the track and didn’t know if I’d have time to install the kit. Thankfully Chad’s directions were clear and it was a quick job. I laid the bike on its side so I wouldn’t have to drain the oil, and I had the thing buttoned up in 30 minutes.
I had my doubts about the need for a slipper on such a small, relatively slow bike (I’ve always relied on clutch-lever finesse rather than a slipper on my CBR300R and CB350), but as it turns out the Yoyodyne setup is pretty trick and definitely helped simplify corner entries. At Chuckwalla you only ever drop two gears at a time, but you do so while trail braking so there’s some care required. With the slipper there was no need to finesse the lever or wait for the chassis to settle to drop another gear—just toe the shifter and throw the clutch. As delivered the slip is smooth and consistent and keeps the back tire stable and in line. In the paddock I even tried going from 4th to 1st—all at once—and didn’t experience any hop or chatter, though the rear tire did smear.
All in all I’m impressed not only with how well the slipper works but with how easy it was to install. I still enjoy the challenge of coordinating the clutch, throttle, front brake, and other controls (that’s what makes riding fun!), but for anyone that doesn’t want to deal with feathering the clutch this is an ideal solution. "
Senior Road Test Editor