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This is the donor

Thanks for the reply.. I bought a 2015 690 motor and am gathering the parts. Would like to get your advice/ expertise on the mods if you have time for a call to discuss.

how difficult was the installation of the 690 engine case and fitment to the rc390 chassis?

dick i am guessing

Do the Werkes pipe like shown here... its lighter and completely badass https://www.youtube.com/watch?v=GYxe9s1AiVs&feature=youtu.be

The gas tank cover (body part) is stock plastic here is a summary of the weight savings

Rc390x The best braking setup I have on a 390 is an RCS15 master cylinder, a Galfer 320 rotor (need to add 10mm spacers and 10mm longer bolts to your caliper mount if you have a 2014-2016 bike with a 310mm disc), steel braided lines, removed ABS unit and using Brembo BB-07GR18.SC Brembo...

RC390X mods I have a few 390s and have a variety of race bodies... I weighed each part and used the lightest parts. Hotbodies side panels are one integrated unit made of fiberglass, The stock panels are clamshell panels from ABS and are heavier. I got the Tyga front nose before it was...

Many more performance parts for the RC

Galfer 320 front, RC15, brembo pads, bypass abs and add braided lines.. Bike looks really nice.. 2017?

net changes.. only thing I've skipped so far is all Ti bolts.. just ran out of dough!

nice work.. are you selling these?

BST's set including the ceramic bearings 7.5lbs for rear and 5lbs for front wheels... total weight reductions down from 320 lb stock bike to 246lb ultra-light and still slimming

Plz check compatibility before buying. FROM TYGA WEBSITE: Engine Cover, (Carbon), Left, KTM Duke 250/390 RC250/390, 2014-2015. This engine protective cover is made from lightweight carbon with an abrasion resistant inner layer of Kevlar. Now requirement for many racing classes and a sensible...

Here is a comparison between my close-to-cup bike and the custom bike https://youtu.be/GYxe9s1AiVs

best weight savings after you remove the stock, expendable parts cut 4 lbs of excess metal off rear subframe behind seat mounts replace the factory fairing mount with an Main Frame Stay (tyga or rotweiler, i have used both on different bikes) CF body is not any lighter than stock..except the...