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RC390 Marchesini Wheels - Fits 2015 and 2016 and possibly other years. $1500. These are in great shape and true. See photos and links to videos. Almost 50% lighter than stock. Makes a huge difference in acceleration, braking, tip in, and corner speed. Also comes with ceramic bearings new in...

My craigslist post with a bunch of pictures https://austin.craigslist.org/mcy/d/austin-2015-rc390-racecup-spec-street/7580189479.html 2015 RC390 RaceCup Spec Street Bike with over $6000 in upgrades I will not respond to lowball offers. I am in no hurry to sell. If you are looking for a deal...

Full set of Tyga carbon fairings $1500 plus shipping secures the entire carbon set. Glad to provide detailed pics of carbon parts for serious inquiries. They are in fantastic shape but have a couple of scratches. Prices are firm. Please don't lowball me. Typical weight savings is 40% to 50%...

272.7 lbs with 2/3 of a tank of gas -at least that is what the math said after I subtracted the weight of the board the bike was sitting on. I’m not bragging and my goal was not go to great lengths to try to lighten the bike. This was merely a labor of love of tinkering and aesthetics. This is...

272.7 lbs with 2/3 of a tank of gas -at least that is what the math said after I subtracted the weight of the board the bike was sitting on. I’m not bragging and my goal was not go to great lengths to try to lighten the bike. This was merely a labor of love of tinkering and aesthetics. This is...

Just received my new wheels. Below are the weights that I measured. Thanks to Rottweiler - I love the fairing stay as well. Total weight reduction 11lbs 11oz of un sprung rotating weight Front stock wheel 10 lbs 10 oz Front Marchesini wheel 6 lbs 5 oz Weight savings 4lbs 5oz ~ 41% Rear...

2015 RC390 9087 miles mostly track. Last 4000 miles were exclusively track. I went to roll on the throttle - pin actually it’s an RC so much fun - and then there was this loud pop and engine seemed to lose compression. Now it won’t start. Betting it is a second blown head gasket. Local dealer...

I just got a shift light. It says it is simple to install. I must agree with one exception. where is the RPM Signal Lead instructuons are simple. Black Wire - check Whire wire - check RPM Signal Lead - who has a recommendations. see instructions RPM signal lead. You may use the tachometer...

Very solid. Rattles noisily when you rock the bike, but the bike is not going anywhere.

Shift Light Installation Has anyone installed a Heal Technology Shift Light Pro? I am about to install a Rottweiler fairing stay, drop my instrument panel to a lower position, and mount a lap timer. This will put my shift light and tach below my peripheral vision so I am thinking about a shift...

Looking for opinions. Shouldn't be hard to scare some up :D If I spend three hours a week of hard riding on the track and this is all I do... when should I? change the fluids? oil forks brakes lube the chain lube the major bearings etc...thoughts?

I have decided to only ride on the track and would like to remove my headlights. Short of completely removing the instrument cluster bracket or using my angle grinder; does anyone know the secret trick to removing the headlights or is it major front end surgery?

Thought everyone might like these links to the PDFs with the exploded parts diagrams. I have a 2015 so I posted these specific links. The link at the bottom will help navigate to other PDFs. http://ktmamerica.com/part_books/2015/street/2015%20RC%20390%20WHITE%20CHASSIS%20PARTS%20MANUAL.pdf...

I used it for 6 months and went to GP shift. See posting on eBay Look at this on eBay Dynojet Quick Shifter Pressure Style Push Type Shift Rod Tension Sensor for PVC Used For 6 Months - Decided To switch GP Shift

I am considering a 120/70 Bridgestone RS10 front tire. The tire guy has indicated that he supplies many racers with 120's for 200's, 250's, 300's and RC 390's. He said that the RC 390 owners prefer this to the 110's and it should not change the bike geometry. The same applies for the Dunlop...

I wasn't sure where to post this so I posted here. I recently purchased some parts from both Commonwealth and Formula 390. My rear sets had a very minor issue and my power commander had a rare bad diode. In both cases Formula 390 and Commonwealth went the extra mile to make sure I was a...

I am shopping for replacements for my original tires. I am very happy with the Diablo Rosso II's. Pirelli Diablo Rosso II 150/60 R17 TL 66H They have lasted 5600 Miles including a few track days and the center is beginning to get little finger nail sized tears. Has anyone replaced their...

Need some Christmas Money. These are new and have never been ridden on. They were swapped for the race forks at the dealer. KTM RC 390 RC390 WP Front Forks Shocks | eBay Best, Ed

I have a blown countershaft seal. Got very lucky. I spotted it before I took a corner with oily tires. Any other reports of blown countershaft seals? My chain was not over tightened, in fact it had started to loosen up a bit after the 600 mile service. Bike has 2000 miles on it.

I installed them and decided to take them off. Bidding starts at $145. All original packaging and instructions.