2006 k1200gt - K-Bikes.com - Excellence in Motion
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post #1 of 4 (permalink) Old Oct 13th, 2017, 11:00 am Thread Starter
Join Date: May 2017
Posts: 32
2006 k1200gt

Riding around town - 50 mph max - sometimes using cruise. Then with cruise off and when coming to a stop I notice engine doesn't return to normal 1000 rpm idle speed as quick. Continue riding now heading home and idle will not come back to 1000 rpm but "hangs" at 2000 rpm !??? mechanical? Electrical? Cruise issues? ?????
Very tricky to ride now Where to inspect cables? How to inspect throttle stop? I have never had the plastic off so where to start?

Where to find pages of manual regarding throttle adjust and troubleshoot?

Last edited by tbdomenz; Oct 13th, 2017 at 11:21 am.
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post #2 of 4 (permalink) Old Oct 13th, 2017, 4:00 pm
Join Date: Jun 2008
Location: New York, NY, USA
Posts: 676
Could be the airbox idle issue. Do a search here first. There is an idle related valve in the early airbox design. It was addressed with a new airbox and related hardware.

Try to check if yours was fixed under warranty (dealer should be able to do a search to see if your bike was fixed by VIN).

Also, have them check the software version, as it was implicated too.

This is a VERY well known issue with the early KGT.

If your bike has NOT had a new airbox installed and it is determined you need it, the parts costs about $400-600 and getting a new one on requires quite a fun day or two of wrenching....I did this myself as warranty had expired on mine. It was not fun. It did not completely fix the problem. It still happens when the bike gets real hot after a LONG ride in hot weather. Bike becomes almost unrideable.

Here's a look at the parts I'm talking about....
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2008 K1200GT, Custom Paint, Vivid Black, Aeroflow WS & Aeroguards, Givi E52 Maxia Topcase w/AdMore Lighting, Zumo 660, Suburban Footpeg Lowering, Sargent Seat

2009 R1200GS Adventure, Magnesium Grey/Black, Adventure Cases, Zumo 660, Touratech Unobtanium Accessories

1974 Norton Commando 850 Soon to be a restoration project

Last edited by lhendrick; Oct 13th, 2017 at 4:05 pm.
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post #3 of 4 (permalink) Old Oct 14th, 2017, 11:26 am Thread Starter
Join Date: May 2017
Posts: 32
Thanks for the info hope you are wrong but I'll check it out. After it sat o'night in garage ti seems to be fine. Didn't ride it , just started it up. I bought this from the orig owner who seemed to be diligent with dealer maint. So I would hope it got fixed - if that was an issue.
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post #4 of 4 (permalink) Old Oct 14th, 2017, 7:08 pm
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Join Date: Nov 2016
Posts: 273
I have a friend with an '06 K12GT and had an idle issue. He replaced the airbox with the newer version and still had the issue. His independent mechanic flushed all of the fuel lines and it cleared the problem. make sure you have the software updated also.

2009 K1300 GT
1984 Kawasaki ZX750-E1 Turbo
1990 Kawasaki ZX600R
2005 R1200 RT - gone
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