So after buying a used motor over a year ago... waiting till the James Bond smoke got real bad (ya I know, keep oil level low, etc) it was time to replace. Cyl #4
real wet with oil. Crankcase was actually pretty clean I was surprised.
Anyway, after many many many hours and dropping many thousands of F-bombs, got the motor in.
I figured, heck, lets get minimal stuff hooked up and see if she fires, bit of a challenge to find neutral with no shift mechanism attached and determine which way to rotate the kickstand switch.
Anyhow, fired it up with no exhaust. Brap-brap-brap... fired up. Died once fired again. I'd filled in some junky cheapo motorcyle oil somebody gave me (still need to change oil filter, synth oil, trans oil, etc which is arriving next day or two). I was pleased. Then I saw a 12" diameter oil puddle in front of the motor.
Turns out the cam chain tensioner bolt head was pissin out oil. Lo and behold there are pressurized oil passageways in timing chain cover and that bolt took a hit in an accident (bike it came out of). Didn't notice it and seller said nothing (rubbersideup inc) but they have been good to me I bought lots of stuff from them and warranty... well it's over a year so whatever, I was just frustrated.
So I hear you have to insert a certain size drill bit in the cam following bolt hole (threads inside there cracked), then remove the cover. Replace with another cover, silicone it all up, etc. But have to pull radiators, coolant, cyl head cover, crank cover. DOH. I just got that crap together.
So far I have to say my experience with the K1200LT has been a machanic's nightmare. Some of the engineers need to die. So stupid how the motor needs to come out for starter/alternator replacement and 100 cables/hoses to unhook. I'm not shy for doing engine swaps but man... luv riding this thing but BMW can go SUCK IT as far as I'm concerned.