Sounds like maybe your ignition switch has given up and exploded internally.

Never heard of or used BG44, however it seems that super strong carb cleaners, like Seafoam, can eat the "rubber" parts of the carb right up. Parts li...

Maybe I could safely make the move to Valvoline synthetic in my engines if they have the proper additives. • Your Airhead needs the ZDDP "zinc pac...

Realize that engine building is an art and science unto itself. There is no way I can tell you everything you need to know. I highly suggest you seek ...

I like the Valvoline selection of gear oils. Apparently there are 4 to choose from, 2 synthetic and 2 non-synthetic. None of them make BMW seals sudde...

IMHO..... Your post title needs to include something to clue the reader that this is specific to PA and NY riders. And/or should be posted by the PA ...

Yes from what I have read it's purpose is to open when there is high oil pressure mostly likely cold starts then close as the engine temperature incre...

The forks "top out" with a clunk when jerking up on the center stand, also when rebounding over abrupt road surfaces. Does this indicate low fork flu...

Here's some background information on why it's a good idea to have an oil check valve.... There are lots of older BMWs from the 1970's and 80's sti...

That's item... 11 11 1 337 576 "Compression Spring - L=16MM" However, I don't think it's job is "oil pressure release" in the normal sense of li...

That sounds very promising. Congrats.

You mean the teat of the solenoid terminal punctured the insulation of the high current cable coming from the battery to the starter motor ? Man that'...

Brother, we need to have something in that second photo for scale... like a penny.

I'm no expert and this is a wild guess based on my experience with my '79 R100.... • Is your starter relay the smaller "mini cube" type relay which...