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What about tack welding the on the original sprocket and cam, good or bad idea?

my bike is 2015 cup bike I got it new in 2015, it has about 15 sprint races on it and a probably about 10 track days, i check valves religiously and oil changes are done after every outing, the one thing i have never bother to check is the cam sprocket bolts, well the intake bolt decided to back...

it is sitting in the toy hauler, when i get tit out i will take some more pictures

really digging the new color

well i had the bike dyno tuned by Lee's Cycle in SD, first with the Akra and now I'm running the tyga exhaust, i couldnt use the complete kit due to super sport rules, i haven't had any issues with the bike , it is pumping out a healthy 43hp at the rear, i cant remember exactly but with the...

warp head funny enough the .004 is right on the money, i have a cup bike and when i saw the issue of the blown head gasket, i decided to go with Chad's thinner head and base gasket, at the same time i took the head to be milled, i asked the machine shop to remove .003 they called back and a...

my 390

the bike in the picture is actually my bike, i like the fit is a very solid fit, the tail section is a bit of a pain to put on, but over all they did a really good job on it.

I have used them and for track day pace they are ok, i use the rear for racing and i use a Dunlop 115 slick for the front, it is a moto 3 rear, CVMA allows it, so far the best combo i have found, the rear alpha last forever, I'm not one of the fastest in my class, but i can run consistent run...

Nice bike nice bike :)

sept 9th I'm glad to hear you are coming out, I co own 2WTD so i will definitely see you there, i will have my RC there, we can for sure go out an play. i love seeing other RC riders in my track days.

for track/racing I have been using a 115, it is a moto 3 rear Dunlop slick, and the alpha 13 150 rear, so far the best convo i have found, i have tried the RS10 and rear but it didn't work all that well, started sliding a lot at race pace, first race was ok, the second race of the day the tire...

i have to double check, but im running the stock front and a 46 rear

i figure the cost of doing an oil change on it is so low, i do it often. my bike sees track day and race duty only, if its a race weekend 4 races, i change it right after. track day duty: i will do 2 to 3 track days on the same oil. . motul 15/50 full synthetic

So i finally got a chance to install the Tyga exhaust on my RC390 cup, everything bolted up nice and easy and it looks and sounds great, huge thanks to Matt from FORMULA 390 for the great customer service. The bike was making close to 43hp last time it was dyno, the head was milled .004 inch...

KTM is pleased to announce a special retail promotion this spring . Beginning March 1, until May 31, if a customer purchases a RC 390, KTM will pay for them to race up to five select regional races. The regional series participating are: Championship Cup Series (CCS), Central Motorcycle...

I got pricing from them, they said $699.95 and of course they have their racer deals, not sure what that would be, if anyone needs more info contact Rick at hotbodies, ext 3 It's available for sale now, they should start getting sets by next week.

not sure yet about that, they sent me the pictures today, i hope to pick it up this week

I just got the email, they are done with my bike and the bodywork is done.

i raced my cup bike at CVMA, at first i used the alpha 13 110/150 combo, they work good and no chicken strips, the race tire does have a different profile that the street tires. the only issue with the alpha 13 is that competing against the ninja 300 on pirellis or the bridgestone slicks is an...