The New And Improved Unofficial R65 Forum V2

Technical Discussion => BMW Technical Q&A, Primarily R65 => Topic started by: Slats on June 08, 2007, 07:33:06 PM

Title: ignition coil problem
Post by: Slats on June 08, 2007, 07:33:06 PM
does anyone know about a new ignition coil and switch? for a 1982 R65.  mine is cracked but no problems detected with it yet, i'm told there is a new type/style that requires a switch or something?
Title: Re: ignition coil problem
Post by: Bob_Roller on June 08, 2007, 07:49:01 PM
There's a misconception about when you upgrade from the old gray plastic body (crack-o-matic coil) to the new red plastic body OEM coil . It is widely rumored that you need to replace the ignition control unit, when you upgrade to the new coil. My personal experience is, I replaced my original coil with the upgraded model in June 1994, I didn't replace the ignition control unit then, I replaced the upgraded coil last November with a Dyna (brown coil). I have not had a problem with the ignition unit so far. I think that I operate my R65 in one of the more severe environments available, the desert heat of Phoenix should have brought out a problem by now ( 14 years) if this rumor was true.
Title: Re: ignition coil problem
Post by: Slats on June 08, 2007, 08:28:47 PM
Okay, I  have been looking on the web for the Dyna brown coil (DC2-1),  looks like you need to buy them as a set, price is from 130 from MPS Racing to 155 directly from Dynatek.   Any idea how/where these actually fit and how they will connect.  The photo just makes it more confusing.
Title: Re: ignition coil problem
Post by: Bob_Roller on June 08, 2007, 08:45:11 PM
The Dyna 'brown' coil is a dual output coil, so you only need one, unless your bike has dual sparkplugs on each cylinder. Motorrad Elektrik has the coil and mounting bracket for $80, plus $6 for priority shipping. I have done business with Rick Jones (owner) for about 10 years, and he stands behind all the products he sells. As usual no affiliation with said company.
Title: Re: ignition coil problem
Post by: MrRiden on June 08, 2007, 10:06:26 PM
I'll stand behind Bob, Iffin' it's gonna get toasted it will here in the Valley of the Sunstroke! My bike was retrofitted at some point with the 2 separate Bosch can coils (not the blue ones) these seem to be made of indistructo 10. My only problem with these is that I lost the front coil bracket between Barstow and Bakersfield but a piece of genuine roadside wire had all fastened again. Just another option to the crack-o-matic and the dyna brown.
rich
Title: Re: ignition coil problem
Post by: steve hawkins on June 13, 2007, 05:39:07 AM
I am running a second-hand dual output BMW K100 coil in place of the two Bosch Blues that were on on my early (1979) R65 when i bought it.  I too, lost the brackets (fatigue), and one of the coil mounts on the frame.  It would seem that the Bosch coils, which are heavier than the originals, where at fault.  

I have had no issues but the new coil has only been on for a year or two.

Cheers

Steve Hawkins