Pop pop pop


Information and questions on GL1500 Goldwings (1988-2000)
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Uncle Fester
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Pop pop pop

Post by Uncle Fester » Wed Jan 03, 2018 6:22 pm



I need some help, when I leave from a dead stop,or add power from a slow roll, I get a pop pop pop that reminds me of a CV Joint going bad...it SOUNDS like it is directly below or behind me. Can anyone give me a idea what it might be ?

Please be gentle (LOL) as this is our only vehicle until taxes come in in about 45-60 days...... THANKS !


Twenty years from now you will be more disappointed by the things you didn’t do than by the ones you did do.
So throw off the bowlines.
Sail away from the safe harbor.
Catch the trade winds in your sails.
Explore,
Dream,
Discover!

Mark Twain

Aussie81Interstate
Posts: 956
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Location: Penrith Australia
Motorcycle: 2001 GL1500F6C Valkyrie
1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500 (sold)

Re: Pop pop pop

Post by Aussie81Interstate » Wed Jan 03, 2018 8:23 pm

Possible drive shaft issue - universal joint ?

Best investigate before it goes BANG

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Uncle Fester
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Location: Bethany, Ok, right off Route 66 !
Motorcycle: 1996 GL-1500 Cali model 'Wing, blue in color, named Ol'Blue

Re: Pop pop pop

Post by Uncle Fester » Wed Jan 03, 2018 9:08 pm

Going to talk to my mechanic in the AM, but U-Joint was replaced in March of last year. It SHOULD have lasted longer than that, right ?
Twenty years from now you will be more disappointed by the things you didn’t do than by the ones you did do.
So throw off the bowlines.
Sail away from the safe harbor.
Catch the trade winds in your sails.
Explore,
Dream,
Discover!

Mark Twain

Aussie81Interstate
Posts: 956
Joined: Thu Nov 27, 2014 2:34 am
Location: Penrith Australia
Motorcycle: 2001 GL1500F6C Valkyrie
1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500 (sold)

Re: Pop pop pop

Post by Aussie81Interstate » Wed Jan 03, 2018 10:16 pm

Maybe a collapsed shock absorber - but if it's when power is applied through the drive train I would suspect the whole assembly.

If you put bike on centrestand - in neutral I would be turning the rear wheel by hand and see if you can locate the pop or feel if there is a lot of play in the rear wheel. put it in gear and rock the rear wheel back and forward for the amount of play.

cheers

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WingAdmin
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Re: Pop pop pop

Post by WingAdmin » Thu Jan 04, 2018 11:40 pm

When the U joint started to fail on my GL1500, I could feel the vibration very distinctly through the foot pegs. At highway speeds, if I was accelerating or decelerating there was no vibration, but if I let it coast, where the U-joint wasn't loaded, I could feel the vibration in the pegs.

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aj1500
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Re: Pop pop pop

Post by aj1500 » Fri Jan 05, 2018 7:45 am

when the u-joint was replaced did they inspect the other end of the drive line good and apply fresh moly, if the splines at the rear end side are failing the first sign is a pop pop pop when under a load taking off. or at least that is how mine failed on my 88

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Uncle Fester
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Location: Bethany, Ok, right off Route 66 !
Motorcycle: 1996 GL-1500 Cali model 'Wing, blue in color, named Ol'Blue

Re: Pop pop pop

Post by Uncle Fester » Fri Jan 05, 2018 8:31 am

They did apply moly paste to the splines at that time.

I also have not been able to reproduce the pop pop pop sense that evening, but as the wife and I both heard it,I know I am not going crazy. . . Yet! Lol

I did put the bike on the center stand, with no results. I also tried wiggling the rear tire side to side with no wiggle found, so now I am scratching my head and getting more confused, but as it has not happened again, I am a LITTLE less worried about it.
Twenty years from now you will be more disappointed by the things you didn’t do than by the ones you did do.
So throw off the bowlines.
Sail away from the safe harbor.
Catch the trade winds in your sails.
Explore,
Dream,
Discover!

Mark Twain

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terryt
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Location: United Kingdom
Motorcycle: 1979 gl1000 trike
1989 gl1500 trike

Re: Pop pop pop

Post by terryt » Fri Jan 05, 2018 11:37 am

Have you checked the rear wheel bearings. the rear disc may be warped or brake calliper may be sticking

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Uncle Fester
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Joined: Tue Jun 26, 2012 6:21 pm
Location: Bethany, Ok, right off Route 66 !
Motorcycle: 1996 GL-1500 Cali model 'Wing, blue in color, named Ol'Blue

Re: Pop pop pop

Post by Uncle Fester » Fri Jan 05, 2018 11:46 am

Had not thought of those, will check them out this afternoon. . .
Twenty years from now you will be more disappointed by the things you didn’t do than by the ones you did do.
So throw off the bowlines.
Sail away from the safe harbor.
Catch the trade winds in your sails.
Explore,
Dream,
Discover!

Mark Twain

User avatar
Uncle Fester
Posts: 1153
Joined: Tue Jun 26, 2012 6:21 pm
Location: Bethany, Ok, right off Route 66 !
Motorcycle: 1996 GL-1500 Cali model 'Wing, blue in color, named Ol'Blue

Re: Pop pop pop

Post by Uncle Fester » Fri Jan 05, 2018 4:32 pm

Well, after a good amount of riding today, I can tell you that the rear Shocks are GONE!
Not sure if I had my head up a particular orifice or what, but I never really noticed how bad they where until today. Yes I knew they needed replaced, but I felt like I was on a ridged today ! Looked underneath and one is covered in oil, bad seals, and the air shock just looked bad/tired.
So, come tax time, it will be new tires, new rear Shocks, steering bearings, and ignition switch. Oh and arm rests for the wife.... Wave bye bye to about $2000 .
Twenty years from now you will be more disappointed by the things you didn’t do than by the ones you did do.
So throw off the bowlines.
Sail away from the safe harbor.
Catch the trade winds in your sails.
Explore,
Dream,
Discover!

Mark Twain

Aussie81Interstate
Posts: 956
Joined: Thu Nov 27, 2014 2:34 am
Location: Penrith Australia
Motorcycle: 2001 GL1500F6C Valkyrie
1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500 (sold)

Re: Pop pop pop

Post by Aussie81Interstate » Fri Jan 05, 2018 6:14 pm

Glad you found the problem and it is only a maintenance item - not a main drive problem...any pictures to show the damage ?

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Jump Wings
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Location: Fond Du Lac, Wisconsin
Motorcycle: 1988 GL1500 Goldwing

Re: Pop pop pop

Post by Jump Wings » Thu Feb 01, 2018 2:06 pm

Your post reminded me of a trip to Superior, Wisconsin years ago. Shortly after getting on a stretch of new concrete four lane highway all sorts of racket came from under the bike. I pulled over and put the center stand down on my Yamaha XS750. I ran through the gears at idle and could not hear a problem. With my wife standing at the side of the road I pulled away slowly and immediately the cause was obvious. The spring on the center stand was missing. Good thing I had bungee cords along, because we had no luck finding the spring.
Mike

82nd Abn. Div. 67 - 69 Ft. Bragg, N.C.
173rd Abn. Brg. 69 - 70 Vietnam

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Alan_Hepburn
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Re: Pop pop pop

Post by Alan_Hepburn » Thu Feb 01, 2018 3:50 pm

Jump Wings - LOVE your avatar! I was 82nd ABN 1971-73 (C Co 1/504)!
Alan Hepburn - San Jose, Ca
1994 GL1500SE with a California Sidecar

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Jump Wings
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Location: Fond Du Lac, Wisconsin
Motorcycle: 1988 GL1500 Goldwing

Re: Pop pop pop

Post by Jump Wings » Fri Jun 01, 2018 6:31 pm

I loved my tour at Bragg. I was in HHC, 82nd Signal Battalion as a Field Radio Repairman.


Mike

82nd Abn. Div. 67 - 69 Ft. Bragg, N.C.
173rd Abn. Brg. 69 - 70 Vietnam

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