Are there any problems with BMW airhead ignition?
Dwell period time problems with points or points rubbing block wear is possible, and use of too small points gap settings will lead to problems. Timing lights are available that do not need external power sources, that means that the timing light needs no connection to the vehicle battery, but uses an internal, usually rechargeable, battery.
Is there dwell period on BMW airhead engine?
There is no way a BMW Airhead engine will have a problem with the normally used coils, even at 7000 or 8000 RPM. The control over dwell period is the points opening; or, if no points, the mechanism that produces the ignition signal …and, in a few instances …the electronics modules that may have dwell circuitry.
How to maintain electrical system on BMW airhead?
If you needed to use it, unplug the VR, and insert the tool spades into the opposing socket connector, do not insert into the brown wire connection. The alternator will now put out all it can at any rpm, so mind keep the rpm low or you will overcharge the battery. Regular maintenance of your electrical system is a very good idea.
What kind of ignition does a BMW r100r have?
When I removed the engine electrical components, I found the points housing was heavily corroded and the timing advance unit, also know as the automatic timing unit (ATU), was also corroded and rusty. It looked like water got inside the points housing and sat for awhile. The bike has a Dyna III electronic ignition installed.
Dwell period time problems with points or points rubbing block wear is possible, and use of too small points gap settings will lead to problems. Timing lights are available that do not need external power sources, that means that the timing light needs no connection to the vehicle battery, but uses an internal, usually rechargeable, battery.
There is no way a BMW Airhead engine will have a problem with the normally used coils, even at 7000 or 8000 RPM. The control over dwell period is the points opening; or, if no points, the mechanism that produces the ignition signal …and, in a few instances …the electronics modules that may have dwell circuitry.
Can a Dyna III ignition be installed on a BMW r100r?
See a detailed installation review by Brook Reams here: Dyna III installation on his 1977 R100RS! No special tools or wiring changes needed. You save $25.01! You might be interested in upgrading to an ignition system that also includes an electronic advance – see our Part Number: EDL-BOIGNS.
When did Hall effect ignition system start on BMW twins?
The original Hall effect electronic ignition system fitted to the BMW twins from 1981 through 1995 was far from optimum, even by 1981 standards. By this time, digitally controlled ignition systems were common on autos and motorcycles.