BMW K bikes (Bricks)

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Life time member
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Having done numerous Audiovox CCS-100 cruise control installs on K bikes, last year I found a Rostra 250-1223 unit on FleaBay with free shipping with a $99 Buy-It-Now price and decided to give that a whirl on a recently acquired K75.† Now that I have a few thousand miles on the electronic cruise control, Iím of the opinion that the CCS-100 is definitely superior.

Hereís why:

After some fiddling with the DIP switches on the Rostra, I was able to get it to keep from surging below the 70-75 MPH range which is where most of my riding occurs in Washington.† However, when I set it for 78-79 MPH for sections of I-5 with a 70 MPH speed limit, it gets up the power curve of the K75 and noticeably surges more than the CCS-100.

The 250-1223 also sometimes lets the speed drop a lot more then the CCS-100 before kicking in.

On the whole, I find the CCS-100 to be a much smoother and less obtrusive cruise control. In a digital vs. analog world, sometimes analog is better. (Yes, I know both are controlled by digital circuit boards. Iím referring to the power supply for the servo cable which is electronic on the 250-1223 and vacuum on the CCS-100.)

Another minor issue where I prefer the CCS-100 is that the CCS-100 allows me to use either the up or down switch for the initial set whereas only the down switch can be used to set the 250-1223.

That said, the 250-1223 does work and does do its job of keeping me at 8-9 over to avoid getting tickets.† And the engaged indicator output hooked up to an LED in the cluster is nice for visual confirmation.

The foibles of the 250-1223 are not so extreme that Iíll remove it and replace it with a CCS-100 but if I had it to do over again then I would definitely opt for a CCS-100 on that bike and thatís what Iíll use on any future CC installs.


Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R

RicK G

RicK G
Thanks for that Duck a couple of us were talking about that on the weekend and were wondering if there was any difference.

"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats."† from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now

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