Boxerworks.com

Can you put a r45 cam in a 247 engine? The reason I ask is because, as far as I know, the general cam specs of the 284 cams in the r50 and r45 are the same, except that the lift in the r45 cam are slightly higher. I use a r50 cam in my r90/6 with sidecar. The 284 cam gives a lot more torque in the l...

The SH kit manual describes the rotor to be installed 6 degree BTDC as a standard.

I recently installed the Silent hektik kit on my 79 R80 engine. The engine came from a weird mix of bikes, so i was not sure of the flywheel, with the S marking being at 6 or 9 degrees BTDC (https://bmwmotorcycletech.info/flywheel-markings-B&S-bulletin.jpg) - So i put the bike at TDC, I put on t...

ahh.. but wouldnt i need the starter relay still then also?

I installed a motogadget M unit on my bike. Its nice. I removed the starter engine and kickstart it. The ignition output from the m unit goes to the coils instead of start relay. I have no start relay at all. The power output of the diodeboard goes directly to the battery. The D+ from the regulator ...

Does anyone have experience on installing a M-unit and button on a /5? Schematics and so on are very welcoming

I think im settling on the alpha v3 unit. Does anyone know well/bad it works when using with the kickstarter?

I saw, the problem is that I live in Denmark. They put crazy tax and duty on everything and the postage from us is high... iam looking though :) There’s quite a few on EBay https://www.ebay.com/itm/1971-BMW-R75-5-R75-R90S-R90-R80-SM286B-Engine-stator-alternator-coil/292105269171?hash=item4402d4afb3:...

Its only the hoysing. Thinking about trying to fix it with jb weld?

I broke the stator house on my 75/5. Im looking for a new one, but im familiar with the 105mm (originally for the /5) and 107mm stator house sizes. www.largiader.com/articles/charging/


I can only find 107mm models in shops.

Does anyone know if the 107mm model fits my /5??

BR