Vintage BMW Motorcycle Owners

Thanks Dave The floats seem to be ok, I had them floating in a container of fuel for a week and no leaks(one did but i patched it with solderlene, still 7grams) I have 2 sets of carbs(one for the finished R50/2 the others are for the R60, in the process of being built,) One carb had the lever top ,i...

Hi ...thanks everyone for all the information. What I have done it drilled the jets (the 105s that I took from the other carbs ) to 1.15. The bike or most definitely pulling stronger and sounding better.little to no backfiring. So I will be taking vetches advice and getting some 120s and a needle je...

Ok, will do some testing over the weekend

With new plugs (when i had the 120/125 jets in )the bike rand really well, but rich , for a bit then it fouled the plugs after about 5km.

With these 105's the bike is not fouling the plugs but is down on power

Hi Kurt, tx for the reply Basically i am trying to feel my way forward from here Bike engine was put together by an expert, and when i mentioned these problems to him he stressed it will not be the timing and that i shouldn't mess with it as he sets it perfect(he is a vintage BMW motorad specialist)...

Hi everyone, so i have my R50/2 with 149/150 bing carbs on it. Ever since the engine was together with 120 jets i have been fouling plugs, i mean really really throwaway sooted up. Primarily the one side Took some drill bits and remeasured these so called 120 main jets. I was getting 120 on one jet ...

https://youtu.be/lOzbM6ep8yg

Well she's running, been a bit slack as i was waiting for a refurbished fuel tap as mine was leaking like crazy

She is sounding good

Nice work! One thing - your speedo cable holding bolt should have a hole drilled in it. It's the transmission vent. However, the very early bikes had a solid bolt there, venting the transmission through the speedo cable presumably, and it mostly worked OK. Dave @Daves , you not on the CBX forum as ...

Huh...go figure... The noise is gone. :shock: I had moved it around the workshop a bit now that both wheels are on and it's been on and off the main stand quite a bit... And went to go check how many clicks per rotation and... Gone. I suspect the Speedo cable mighta been not seated and was clicking....

Final run now, Lets hope https://i.imgur.com/NSCiMVK.jpg https://i.imgur.com/GE91Xkh.jpg https://i.imgur.com/FcEgTbr.jpg https://i.imgur.com/NQIXncH.jpg A questions, she is currently without oil,(transmission and final drive and engine) when she is being moved around, or i spin the rear wheel I hear...

Thanks Dave! Will look into sorting that out!