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Cruise control TSB 180502 - Read if you have cruise control!

 
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 10082
Location: Bumf***, WA

PostPosted: Sat May 05, 2018 2:05 pm    Post subject: Cruise control TSB 180502 - Read if you have cruise control! Reply with quote

A Technical Service Bulletin on how to keep your cruise control from jacking the idle up to 3,000 RPM.

When riding all day on Wednesday my idle started creeping up:
1000 RPM - normal
1500 RPM - bothersome
2000 RPM - annoyingly high, especially at stop lights
3000 RPM - OK, now I have pull over and fix whatever is causing this

After pulling over at a gas station, removing the battery covers and seat to pull the tank back so I could get to the throttle cable connection, I discovered that the lower nut on the cable from the cruise control servo had vibrated loose and fallen down the cable. This allowed the cruise control cable to creep up and keep the throttle slightly open. It doesn't take much throttle for a bike in neutral to get up to 3000 RPM.

The following applies if you are using the two nuts at the end of the servo cable to adjust/secure it.

Solution: Reattach the nut using thread locker. (Loctite in the US.) I also needed to readjust the top nut as that had vibrated and crept a little too. There should be a little slack is the cruise control cable when the bike is at idle DO NOT overtighten the nuts. The threaded part at the end of the cruise control cable is made of some really crappy metal and if you try to get the nuts on it uber-tight it will break. DAMHIK


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93 LT (x2)
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86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
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Moondog
Flying Brick Rider


Joined: 09 Oct 2004
Posts: 670
Location: Richmond Hill, Georgia

PostPosted: Sat May 05, 2018 7:01 pm    Post subject: Reply with quote

It can be safety wired also.
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I like the social aspect of riding. Rally's, socializing, drinking beer, fartin' and carrying on. Smile

2004 R1150RS
1996 K1100RS (moved on to new home)
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Grunter
Flying Brick Rider


Joined: 30 Sep 2015
Posts: 367
Location: North East England

PostPosted: Mon May 07, 2018 5:51 am    Post subject: loose nut Reply with quote

It is more easily done with a tiny spot of threadlock. Not enough to jam it completely but enough to stop it coming loose. In fact I sometimes use normal silicon sealant to do the same task. That definitely does not let things come loose but is easily over ridden with the spanner.
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 10082
Location: Bumf***, WA

PostPosted: Sun May 13, 2018 10:54 pm    Post subject: Reply with quote

Another option that came to me today would be to use a Nylock nuts instead of the plain nuts that came with it. I'd only do that for a new install though. Too much hassle to do on an existing install unless you've got things apart to do something else around the TBs.

If memory serves those nuts are M6.
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE
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View user's profile Send private message
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