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Knock with 84 Interstate 153k

1112 Views 24 Replies 14 Participants Last post by  Nightrider1, 
Mick Shane
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I purchased an 84 Interstate a little over a month ago.

Previous owner stated he rode it all the time. And with the mileage, I believe him...

My problem started on the way home from buying it.
Nothing major, so I thought at the time, but now I wonder. Coming off the highway I noticed what seemed to be a knock, like no oil. It quickly went away and all seemed fine. Now power loss or anything.
Over the past 500-600 miles it has done it maybe a few more times. Until this morning!
Going into a turn and it sounds off like its out of oil. I limp it for a bit to see if it settled down or went away. Noise went away under 2k rpm.... But comes back above that.
Check oil level, seems fine, maybe a little full though.
No abnormal smell or anything.

Could it be a rod or something sinister like that?
Or is this a common occurance with these 1200's?

Still trying to get a feel for the mechanics and problems with this particular bike.

Thanks in advance for any advice.

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Ferrarimx5
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My 1992 made a sliding kind of noise at about 2,000 rpm and above. Turned out to be the Alternator (Rear bearing was spinning in housing). It was an easy and very inexpensive fix. Cost me 6.00 for the rear bearing. I also spent 1.95 for an "O" Ring to fit behind the bearing then placed a little bit of High Temperature adhesive on the outer race of the bearing, just to be sure it would not spin.I hope yours turns out to be the same.



Is it possible your engine is overheating?Are your fan and temp guage working properly?
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dan filipi
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I'm not all that familiar with the 1200, it's alot like the 1100 in many ways and I think it has a oil pickup screen that could get clogged.
Is the oil pressure idiot light coming on? Then I would look there, especially with that many miles.

Have you changed oil and filter, maybe the filter is clogged causing an occasional bypass.

Loose stator nut maybe?

Fishing for ideas just trying to help
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Biker John
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The 1200 doesn't have the same type of alternator as the 1500.
No bearing to replace.
The noise your hearing is probably one of your lifters bleeding down.
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Mick Shane
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Is the oil pressure idiot light coming on? Then I would look there, especially with that many miles.

Have you changed oil and filter, maybe the filter is clogged causing an occasional bypass.
Click to expand...
Dan, thats what concerned me was the fact the oil light doesnt come on during the event. It does indicated the bulb is working with key in on position though.

I haven't changed the oil yet only because he had it done about 1k before I bought it. Although he did all his own, so I cannot confirm with receipts or anything. I just took him at his word as the oil was pretty clean.

The noise your hearing is probably one of your lifters bleeding down.
Click to expand...
John, don't think I have heard the term before. But it sounds like a normal occurrence if that is the problem...


Update- Took it out a bit ago after letting it set for about an hour or so, and no noise. A bit of a vibration in the engine above 2k or so, but no noise....
Thanks for the advice guys, and I will go ahead and change the oil and filter and see if that helps with any future occurrence as well...
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Mick Shane
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I guess I brain farted or something.. LOL...

My mileage is 105k not 153k... Need my eyes checked I guess...!
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S
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some vibes around 2000-2600 revs when accelerating seems to be a trait of some 1200's..........Steve
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William_86
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first thing i would do is check the oil level. even if its has the correct amount i would change it. just to be sure, if the PO used a heavier o than recommended, it could cause that knock, if it is RPM related (knocks faster as RPMS are higher.
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G
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Any chance that the oil passages are blocked or at least some of them. Pull a valve cover and se how much sludge is in there. You may just need to run some Seafoam or transmission fluid thru the engine. As a matter of fact I would do that then change the oil to 10w40 Castrol and see what happens.
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Mick Shane
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I am leaning towards running the seafoam through before I change the oil. Seems that is a standard from reading through the forum here, and "almost" a cure all... :)

I do need to change out the valve cover gaskets anyway. They drip just a tiny spot overnight from both sides. And the more I think about it, I bet he threw some heavy weight oil or stop leak in there to slow it down... Its just a guess, but if I didnt want to take off the crash bars and stuff, I would probably do the same until I could get it fixed....

How long is the typical time people run seafoam in the oil?
I dont ride hard, in fact, after reading here on some topics, I am probably lugging the bike ALOT.... I dont think I run it up past 3k hardly at all... So being easy on it shouldnt be too hard to do... ;)

I have to be honest, I have never worked on a MC engine, even maint outside of adding fluids and batteries... Are these fairly easy to change the oil on? Any do or donts to keep in mind? At 41 yrs old, and wrenching cars for years, you would think I would have added cycles to the list... ugh!

Anyway, thanks for all the great replies. Looks like a good bunch of people here! Now looking forward to meeting some around here in the Kansas City area...
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G
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To answer your questions:



1.Run Seafoam at least 100 miles and no more than 200 and ride it easy at sane rpms. (3500 and below)

2. Oil change is a piece of cake. You can do a search right here on this forum and even get pics to show you how.

3. I am 43 and had never worked on a Goldwing before but it is not as hard as you may think. Just be patient as there is a learning curve.

4. Last but not least welcome to the forum.:waving:
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Mick Shane
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Thanks! And Thanks! Great to see such a great community willing to help, with time I hope to be able to offer some knowledge as well...

I love this bike, and hope to get many years of service from her. Repairs in the shop are expensive, so I am really trying to gain as much knowledge as possible to do the work myself...

Thanks again!
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cyclewizard
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a bad u-joint will cause a knock and a vibration.
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nsjoe
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these will get you started, but check GSMaclean's do it yourself pages, they are pretty awesome..

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nsjoe
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page 2

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Mick Shane
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Awesome! Thank You!
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nsjoe
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Mick, don't forget to grab the washer that is between the filter and the spring. It tends to stick to the filter.
Joe
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Mick Shane
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Thanks for the heads up Joe... :cooler:
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zimmerleemark
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i have seen carbs out of sync and cause a knocking noise.

welcome to the forum

mark:waving:
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grambo
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problem on the way home sounds not right....refill with oil you buy...po could have put heavier oil in to cover up an impending bearing problem
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