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The Motobrick Workshop / Re: Longer Shock Absorber on k100?
« Last post by Laitch on Today at 12:41:54 PM »
the k1100 shock did the trick. Maybe I need to change the plastic fender - that is easy
What is the wheel clearance measurement now when you are seated on the bike, Enfield?
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The Motobrick Workshop / Re: Background noise
« Last post by Laitch on Today at 12:32:58 PM »
I'll see what I can do, although I was hoping for an educated guess.
Guessing really isn't an effective method of diagnosing problems
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Repair Guidance / Re: K75 runs poorly after 100 miles
« Last post by Laitch on Today at 12:30:37 PM »
I have a 93 K75 that I bought about 6 months ago. It has been well maintained by the PO. as I did find some water in the fuel. My throttle response improved after doing this and was hopeful the problem was fixed.  Another symptom is backfiring through the exhaust on decel.
When decelerating close the throttle completely; a partially-open throttle often causes backfiring. The throttle position switch might need adjustment.

If water was in the fuel, the drain system might be clogged. When the fuel cap is open a hole will be visible in the left side of the cap assembly flange. That hole is designed to drain water accumulating around the cap's perimeter by diverting it through a pipe that goes though the tank then exits as one of the two ports beneath the rear of the tank. It either deposits water into a cup hanging from the frame or a hose is attached to it and the hose should exit behind the right footpeg plate. Check the pathway to be certain it's open.

The crankcase breather hose should be checked for cracks and replaced if it has any.

Clean your bike's 4-pin under-tank connector and verify that it is a tight connection; don't just look at it. The same goes for the ignition switch connector under there. DeoxIt is usually recommended here.

This bike might need a tuneup consisting of spark plug replacement, air filter cleaning or replacement, throttle body balance and throttle switch adjustment. When were those performed last? Have you looked at the air filter?

You'll sort out this problem. Plenty of information can be found in the Repair Guidance Master List section.
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The Motobrick Workshop / Re: Longer Shock Absorber on k100?
« Last post by Enfield on Today at 12:09:44 PM »

Thanks guys - the k1100 shock did the trick. Maybe I need to change the plastic fender - that is easy :-)


Sent from my iPhone using Tapatalk
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The Motobrick Workshop / Re: Background noise
« Last post by Soichiro on Today at 12:07:03 PM »
I'll see what I can do, although I was hoping for an educated guess.
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The Motobrick Workshop / Re: Background noise
« Last post by Laitch on Today at 11:51:01 AM »
We've got to hear the noise. Attach an audio file or YouTube video. Verbal descriptions are too vague.
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The Motobrick Workshop / Re: Background noise
« Last post by Soichiro on Today at 11:47:53 AM »
That's probably because I haven't attached anything to listen to.


Should have mentioned ; it's a kind of rumbly noise, like a shagged bearing.
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Welcome To Motobrick.Com / Re: Hello from Portland, OR: '86 K75C
« Last post by rover215 on Today at 11:39:38 AM »
Thank you again, Laitch!
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The Motobrick Workshop / Re: Background noise
« Last post by johnny on Today at 11:32:18 AM »
greetings...

im clicking your embedded video audio attachment and liztening for it butts caintz hear nothing...

j o
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The Motobrick Workshop / Background noise
« Last post by Soichiro on Today at 11:25:32 AM »
There's a rattling in the background,  noticeable more on a fast tickover.   I thought it might be the alternator rubber bushes.   I ordered some and got around to replacing them today.  The old ones didn't look that worn but I replaced them anyway.
The noise is still there.  Any ideas?  I'm thinking it might be the water pump bearings but that's just a guess and not an educated guess.
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