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Those bolts f***ing suck. Had the same thing happen a couple weeks ago on the clutch side. Half of me just wants to replace all of them with decent quality. To get the bolts out, I'd use drilling as a last resort. Once the head of the bolt is gone, there shouldn't be any preload, so you can...

Oh...man. Just faced this one myself. For the shifter: As recommended above, check you linkage. Make sure it doesn't have excess slack, and moves freely. You might have to oil it. To verify it's an issue with the linkage, you can disconnect it from the lever arm on the engine side (1 bolt)...

Ever get a solution to this? Running into a similar issue I recently opened my clutch and accidently broke the tip off the pull rod. I'm an idiot and forgot to position the shaft that connects to the pull rod, so I snapped it while tightening the bolts. I bought a new pull rod, pulled off the...

Finally got around to this. Unfortunately, I had a lot going on, so this wasn't as scientific as I would have hoped. But I placed a zip tie on the forks to measure travel for both oils, and here's the results... Went from stock oil (Motorex Racing Fork Oil) - 16cSt @ 40C (104F) and 5cSt @ 100C...

I got it all setup now and everything feels good. I think it either came out of the factory with the adjuster farther out (lever farther down) than usual, or I just like my lever higher than most. And yes, after adjusting it up, I had to thread the pushrod out quite a bit. You are correct. Blue...

I lost a very small amount of fluid, but not enough to worry about. But my adjuster was all the way out and pretty uncomfortable before depressing, so it had to be adjusted regardless. But you're right, I may have had a little extra travel in there. I've got the starting position set where I...

I know this is an old thread, but having installed these recently, I thought I'd add to it. Seems Tyga is now loctiting the brake lever adjuster. However, they're using red loctite (permanent), which makes "adjustable" a very a very loose term. Even worse, the brake lever comes in a position...

Yep, I dug through the repair manual and a fluid swap seems to be pretty simple, so I'm going to plan for swapping the fluid in both. After some more research and digging through options, I've picked out Motul Factory Line 5W as the most probable candidate. I couldn't find any good comparison...

Thanks guys, this helps. I know, but everyone still seems to refer to refer to it as weight. I guess I should probably stop. Thanks for the list. There's a very comprehensive one in the link I provided above, but their numbers seem to vary slightly from yours. It appears they're just tested to...

Hey everybody, The main reason I'm posting this is that I recently found one of my fork seals to be slowly leaking. As everyone knows, problem = upgrade opportunity. I found replacement seals easy enough (https://www.ktechsuspensionusa.com/p-20107-k-tech-suspension-fork-oil-seals-wp-pair.aspx)...

I'm not actually sure where it physically is on the bike, and that may vary by model year anyway, but It'll be where the stator connects to the voltage regulator/rectifier. So I'd start at one of those and work your way toward the other until you find a connector. There should only be one line...

Naveed, I can't claim to have encountered this problem, but based on your checks to this point, my best guess would be the charging system. But first, a few other things to consider: -How old is the battery? Is it near the end of it's life? Do you have another battery you can try? Perhaps the...

Reid, That is almost certainly it. I only left the tank connected electrically, during the second disassembly to check the spark plug, but I did disconnected the fuel lines. And when I adjusted the valves, I had the tank completely off for a good two weeks while I waited for some tools to...

Guys. Something very strange just happened. I load tested the battery and got a steady voltage of 12.73V before start, and a minimum of 10.36V on start (all good). Funny thing is, right before I hit the kill switch, it sounded like the engine may have just begun to turn over. The starter...

Jon, You actually bring up a good point. I did hold the compression release when checking the nearest exhaust clearance, and that one had to be adjusted. Do you also have to hold it while checking the far exhaust clearance? Either way, that one didn't need to be changed, so I doubt it's the...

I didn't actually check for spark, mostly because I had to remove the battery to get to the plug, and I still had the fuel tank electrically connected and shifted out of the way. I also figured any issue would have been at the connection, as the plug should be fine at 620 miles. So I just did...

Hi everybody, I've encountered an issue recently that I've been trying to figure out for a while and I'm running out of ideas. I completed my first service on my 2018 RC390 about a week or so ago. Measured the valve clearances (3 out of spec: both intake, one exhaust), shimmed em to spec...