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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#1  Unread postPosted: December 5th, 2017, 8:51 am

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My Rides: 1984 GL1200 Standard - 18,000 miles

1987 GL1200 Interstate - 61,000

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I chronicled my adventures of the breakdown and eventual rebirth of my 1200 Standard with another motor in the first installment of this saga ( http://classicgoldwings.com/forum/viewtopic.php?f=24&t=11503 ). Now it is time to start the next chapter, which I hope has as good of an ending as the first. I am hoping to rebuild the original motor for this bike so that I can keep it as close to as original as possible.

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#2  Unread postPosted: December 5th, 2017, 8:56 am

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My Rides: 1984 GL1200 Standard - 18,000 miles

1987 GL1200 Interstate - 61,000

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Last night I opened up the motor and I was surprised in some respects. I expected to see things a lot worse than what they are, but after looking at the scoring on the two left pistons, I'm not too optimistic that I made it through this without any damage at all.

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I will add that before this trip, I had changed the oil and filter and it had approximately 500 miles on it. It looked like it had more like 50,000 miles on it and it smelled like it too.

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#3  Unread postPosted: December 5th, 2017, 9:39 am

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Location: Mantua, New Jersey
Local time: December 11th, 2017, 11:55 am
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My Rides: Restored '82 Standard GL1100 (with '83 engine) Hondaline bags.
'81 GL1100 - Gave up the ghost to give life to the '82!
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That scoring looks pretty ugly. :shock:

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Gerry <///><
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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#4  Unread postPosted: December 5th, 2017, 10:10 am

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1987 GL1200 Interstate - 61,000

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That might be a bit of an understatement but from what I can see, the cylinder wall does not match the piston :headscratch:

Oh... did I mention I know where there may be some spare parts?

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#5  Unread postPosted: December 5th, 2017, 11:12 am

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'78 GL1000

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That might be a bit of an understatement but from what I can see, the cylinder wall does not match the piston :headscratch:


That surprises me, too, given how bad that piston looks. Nice to see you picking up the dialog on this project again, though!

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"I would rather be on my motorcycle thinking about God than in church thinking about my motorcycle." - Anonymous


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#6  Unread postPosted: December 5th, 2017, 11:29 am

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1987 GL1200 Interstate - 61,000

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That might be a bit of an understatement but from what I can see, the cylinder wall does not match the piston :headscratch:


...Nice to see you picking up the dialog on this project again, though!


Yeah, it has taken a while to get to the point where I can tear into the motor. I got the 87 and put that one on the road, then I tore the 81 apart to get the 84 at least running again. Then my son FINALLY moved out so I had to deal with that and clean up and take over my basement again, then the wife needed to have his bathroom redone - I really hate shiplap!!! Anyway, it has always been my intention to at least look inside this motor and see what I can see. That time has finally arrived. :BigGrin:

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#7  Unread postPosted: December 6th, 2017, 12:50 am

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I really hate shiplap!!

Don't let Chip and Joanna hear you say that.

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I couldn't fix my brakes, so I made the horn louder.

The motor started knocking. Turned up the radio

Jack


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#8  Unread postPosted: December 9th, 2017, 10:44 am

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My Rides: 1984 GL1200 Standard - 18,000 miles

1987 GL1200 Interstate - 61,000

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This morning I spent some time working on the motor. As I was, snow was falling outside and I was warm a cozy in the basement... getting these motors down the steps may have been a workout, but boy was it worth it!

Any way, I pulled all 4 pistons and got a closer look at each:

Image

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Image

Image

Image

Image

Image

Image

Well, thats the good, the bad, and the ugly of the pistons. If there is anything good about them, all the scoring I see is below the rings and not at the rings or the ring groves.

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#9  Unread postPosted: December 9th, 2017, 10:49 am

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Wow ...it got really hot Brian ...I bet all scoring was on the bottom of cylinder walls...

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thank god and hooch im gone


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#10  Unread postPosted: December 9th, 2017, 11:50 am

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1987 GL1200 Interstate - 61,000

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Stand by... I am working on those pictures...

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#11  Unread postPosted: December 9th, 2017, 1:47 pm

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Joined: September 12th, 2012, 7:19 am
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Location: Lebanon, PA
Local time: December 11th, 2017, 12:55 pm
Country:  United States (us)
My Rides: 1984 GL1200 Standard - 18,000 miles

1987 GL1200 Interstate - 61,000

Profile Personal album

It also appears I may have been a little optimistic when I stated that there wasn't any scoring on the cylinder walls. I knew the #3 was scored as I saw that last year when I pulled the heads off, but now that I have had a chance to look at things a little closer... well they are all scored. The rear cylinders more so than the front, which stands to reason. Things got a little hotter in the back of the motor.

Image

Image

Image

Image

So, that is the good, the bad, and the ugly of the cylinder walls. The worst by far is the #3 and none of them feel too deep, so I am hoping that a simple honing will do the job.

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#12  Unread postPosted: December 9th, 2017, 2:17 pm

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Well ...now I guess it’s time to check the rod and main bearing

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thank god and hooch im gone


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#13  Unread postPosted: December 9th, 2017, 2:38 pm

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Youch! As joe stated to go deeper seems appropriate.

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Mike


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#14  Unread postPosted: December 9th, 2017, 3:39 pm

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Location: Lebanon, PA
Local time: December 11th, 2017, 12:55 pm
Country:  United States (us)
My Rides: 1984 GL1200 Standard - 18,000 miles

1987 GL1200 Interstate - 61,000

Profile Personal album

Yep, I'm taking it completely apart. I will say though, without the pistons installed, everything spins real smooth, so I hope that is a good sign... The rod bears, well, I'm not so sure about them and I need to look at them a little closer.

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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Share Post: Share on FacebookShare on TwitterShare on TumblrShare on Google+Share on MySpace  Post Number:#15  Unread postPosted: Yesterday, 10:56 am

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Joined: September 12th, 2012, 7:19 am
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Total Posts: 5567
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Total Images: 357
Location: Lebanon, PA
Local time: December 11th, 2017, 12:55 pm
Country:  United States (us)
My Rides: 1984 GL1200 Standard - 18,000 miles

1987 GL1200 Interstate - 61,000

Profile Personal album

I think I found the source of some of the noises I was hearing...

Image

This is the worst bearing that I have, all the rest show a little wear a and only one other (#3) shows a little heat.

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Brian
Retired US Navy 1983-2003
If you aren't having fun doing it, find something else to do.


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