engine

Purchased a new RC390 OTD $6440 includes tax, title, license, setup and destination fees. 100+ miles on the bike the first day. First impressions: Very rough and tumble compared to the Japanese bikes. Build quality is ok - but not great. Reminds me of riding a farm tractor - rough and...

So I did my oil change and cleaned the screens and replaced the oil filter. I poured in 1.6L of oil and that took it right to the full mark on the sight glass. All is good right? No, service manual says to warm up the engine to operating temp, shut off the engine and wait 1 minute and then...

Hey guys, anyone interested in either of these items? They're from Europe so shipping is ridiculous but their rep told me he'd get a discount per additional item. These are both like a must have for me because they not only look good but actually serve a purpose over stock ! Engine cover that...

Reposting since my previous post disappeared (?)... KTM thinking about adding a Slipper Clutch to the RC390... KTM to introduce slipper clutch on RC200 & RC390 | Shifting-Gears This is a very good idea as that high compression single cylinder is going to have a lot of engine braking... A...

Will this engine be reliable and last? Will it be like a dirt bike engine and need rebuilds and work on a frequent level? What do those in the know have to say?