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GSXR 600 K6 - Throttle Body Actuator Issue

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Robby
Dirty Old Man



Joined: 16 May 2002
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PostPosted: 22:17 - 15 Feb 2017    Post subject: Reply with quote
Find out what the problem is before assuming. Whenever I've come across dodgy throttle actuators on cars it was down to a bit of sludge on the shaft making it sticky. A good spray with carb cleaner does the trick.
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TheArchitect
World Chat Champion



Joined: 26 Dec 2013
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PostPosted: 14:22 - 16 Feb 2017    Post subject: Reply with quote
One of the mechanics at the garage I use is a former suzuki mechanic and he is 90% sure the issue is with the actuator as it's a common fault on that batch and he has personally fixed a few of them.

He's offered to do a repair on the existing unit which works out much cheaper than replacing it. Hopefully he sorts it, otherwise ebay time.
____________________
GSXR 600 K6 - Stolen
GSXR 600 K6 - Stolen
MT09 - Almost stolen
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kramdra
World Chat Champion



Joined: 28 Oct 2010
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PostPosted: 23:01 - 20 Feb 2017    Post subject: Reply with quote
TheArchitect wrote:
I've updated the title of this thread to be more specific based on what I know now.

So the "fix" didn't work and again this morning I had the same issue - bike wouldn't start, then when it did it was very boggy and would cut out of not kept with throttle.

Very annoying, especially first thing in the morning when you're already running late for work. So I thought f-it and gave it some long hard revs before riding off. It seemed to get better as the bike warmed up but there were a lot of backfires.

The issue as I know it: Throttle body actuator (servo) is the culprit. It's not opening and closing the butterfly valves as it should which is causing the over fueling. I'm guessing the valves are stuck open.
The issue is probably the teeth on the servo arm or pinion are worn out.

I can't find anyone that sells the actuator on it's own, they only sell the whole throttle body unit which costs over £100 in most cases.

Does anyone know of a workaround or a more feasible solution to this issue?



Saw your other thread first. This is a faulty design rather than instantaneous water damage. The throttle shaft is exposed and very likely to rust and seize, which I have not seen on any other bike/engine - maybe they are better protected or stainless? Usually the secondary throttle that gets stuck. First thing free them up with gentle movement and oil, preferably disassemble and remove the rust. The motor is likely good, but chances are the position sensor has shit itself into the wrong position so it may need some careful adjustment. The motor is a stepper so easily tested with an arduino and driver board, 2 quid on ebay.
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Old Thread Alert!

The last post was made 7 years, 66 days ago. Instead of replying here, would creating a new thread be more useful?
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