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82 - gs1100e - terrible clanking noise - video

Gregory

Gregory

Forum Mentor
Past Site Supporter
Still working on friends bike.

I have been working on getting this bike to idle around 1k because it had been set way too high by the PO. After getting "most of" the intake leaks fixed I was able to get it to idle at 1k and below.

It actually sounds pretty good right up until it starts idling too low to stay running.

There is an awful clanking sound coming from the drive shaft area. I put a screwdriver on the shaft and put it up to my ear... even when it is revved up and sounding ok standing up, through the screwdriver I can hear some clanking.

I was able to recreate the sound for you by keeping it right between stalling and idling properly.

Here is the video in photo bucket (couldn't post directly)... first let it download through the buffering then the video works ok

http://s629.photobucket.com/user/gbillingsly/media/SUZUKI%20Motorcycle%20Album/TechHelp%20%201982%20GS1100e/lowidleclanking.mp4.html

Any ideas?
 
sounds like the starter clutch gear .Could also be the clutch, but as I recall that is a deeper knock.
 
Not good. Easy to check if it's the clutch; take off the oil filler cap and run it. It will sound terrible. Has been known for the clutch hub nut to work lose. Or, as suggested, starter clutch. I would not run that bike until you have pulled the side covers off.

Greetings
 
every 1000/1100/1150 out there has loose basket springs unless it has been rebuilt(flying banana-split mod) or had an HD kit installed.
they will make a little sound but the starter clutch will sound like the engine is coming apart right at the point where it starts to die.
this is also true if the carbs are out of sync much.
i know the bike your working on :)

didn't hear the video....buffering tool to long...more than 10 minutes...
 
blowerbike said:
every 1000/1100/1150 out there has loose basket springs unless it has been rebuilt(flying banana-split mod) or had an HD kit installed.
they will make a little sound but the starter clutch will sound like the engine is coming apart right at the point where it starts to die.
this is also true if the carbs are out of sync much.
i know the bike your working on :)

didn't hear the video....buffering tool to long...more than 10 minutes...
Click to expand...

It has a distinct ringing clank, so my guess of starter clutch ring gear.
 
"clanking" is the dead give away.
another dead small left side engine.
look for spinning of the rotor and shrinkage of the crank taper.
just evil problems for pre- 83's..
if your lucky it's just the bolt's broke and or backed out.
red red red loctite will be your friend :D
 
Thanks Guys... here is a video of it with the oil cap off.

(sorry about download buffering, I don't think I have any control over photo bucket)

http://s629.photobucket.com/user/gbillingsly/media/SUZUKI%20Motorcycle%20Album/TechHelp%20%201982%20GS1100e/withoilcapoffclanking.mp4.html

It does sound like it is coming from that part of the engine on both sides.

I also revved it so you can see how the sound goes away to the naked ear.

I already ordered a spring and a right side cover gasket for the shifter because it wasn't always returning to the neutral position at low speed when downshifting 3rd to 2nd to 1st. I had to pull up on the shifter after 2nd to press down to 1st.
 
Gregory said:
I have been working on getting this bike to idle around 1k because it had been set way too high by the PO. After getting "most of" the intake leaks fixed I was able to get it to idle at 1k and below.

It actually sounds pretty good right up until it starts idling too low to stay running.
Click to expand...

The manual says "950-1150 rpm", but I would keep it at the high end of that spectrum, even a tad higher.

Ever since my '73 Z1, the manuals have had unrealistically low idle numbers. I think these big Jap fours idle best over 1,000.

My '82 1100e idles very nicely at about 1,200 to 1,300, and I wouldn't want it any lower.
 
blowerbike said:
"clanking" is the dead give away.
another dead small left side engine.
look for spinning of the rotor and shrinkage of the crank taper.
just evil problems for pre- 83's..
if your lucky it's just the bolt's broke and or backed out.
red red red loctite will be your friend :D
Click to expand...

when you rev the bike up the sprocket does momentarily turn forward a tooth or two.

 
Gregory said:
Thanks Guys... here is a video of it with the oil cap off.

(sorry about download buffering, I don't think I have any control over photo bucket)

http://s629.photobucket.com/user/gbillingsly/media/SUZUKI%20Motorcycle%20Album/TechHelp%20%201982%20GS1100e/withoilcapoffclanking.mp4.html

It does sound like it is coming from that part of the engine on both sides.

I also revved it so you can see how the sound goes away to the naked ear.

I already ordered a spring and a right side cover gasket for the shifter because it wasn't always returning to the neutral position at low speed when downshifting 3rd to 2nd to 1st. I had to pull up on the shifter after 2nd to press down to 1st.
Click to expand...


Just pull the covers already.................... There is not likely a Chupacabra in there. :rolleyes:
 
blowerbike said:
the drive sprocket?
i think that is somewhat normal with no chain on it.
Click to expand...

There is a chain on it. New chain new sprockets (530 conversion). This is my friend stock 82 1100E (not my faux 1100 skunk)

I will take the side covers off... sucks since I just put fresh oil in it though, hope I can recycle it.
 
Gregory said:
There is a chain on it. New chain new sprockets (530 conversion). This is my friend stock 82 1100E (not my faux 1100 skunk)

I will take the side covers off... sucks since I just put fresh oil in it though, hope I can recycle it.
Click to expand...

this is a members bike here...correct?
 
blowerbike said:
this is a members bike here...correct?
Click to expand...

I am an active member. He is a friend of mine that bought this bike about a year ago and hasn't really ever gotten to ride it yet. He has an account but is not really mechanical so don't know if he has posted yet.
 
I thought I should return and tell everyone what the resolution was. Thanks to GrandRouge's helpful insight and helping through the process... it was basically just a loose clutch nut. Sounds good now.

Here is a video of it running now. http://vid629.photobucket.com/album...982 GS1100e/Afternuttighteningandvalveadj.mp4

Here she is complete (needs side plated on)
dennisbikedone.jpg
 
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