83' GL110a Media Wing

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O_Wing
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Re: 83' GL110a Media Wing

#16

Post by O_Wing »

Thank you HOTT & 82aspy,
I am aware of the belt change regimen, thank you, wish it was like my 98, but alas no. I was thinking about lowering, have decided not to. Cheers! more later!

Orris
83' GL1100a Aspy (current naked project)
02' CR 125 J&M racing Stage 1
03' RM 60 (racing by K&S in Katy)(Son's bike)
98' GL1500 SE (bought new from Stubbs)
76' Candy Brown GL1000 LTD
77' CB750 K
69' Kaw 500/3
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O_Wing
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Re: 83' GL110a Media Wing

#17

Post by O_Wing »

Hi Ya'll I have it running as you know, the floats have started behaving (carbs not leaking), it seems to sound and feel ok at 2000 rpm and higher, however, I have a digital thermometer and noticed that after about 5 minutes of running (sitting still at mostly at 1500-4000 rpm) cyl1 is at 385 F temp, Cyl. 2 is at 270 F, Cyl. 3 is at 210 F and Cyl. 4 is at 210 F. This measured at the exhaust header just below the head. I cleaned the spark plugs on the cool cylinders. I'm not sure what's up, can anyone shed some white hot spark on this subject?

Orris
83' GL1100a Aspy (current naked project)
02' CR 125 J&M racing Stage 1
03' RM 60 (racing by K&S in Katy)(Son's bike)
98' GL1500 SE (bought new from Stubbs)
76' Candy Brown GL1000 LTD
77' CB750 K
69' Kaw 500/3
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HOTT
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Re: 83' GL110a Media Wing

#18

Post by HOTT »

O_Wing wrote:I'm not sure what's up, can anyone shed some white hot spark on this subject?
Carbs, intake leak or both. You got to pull 'em. IMHO

HOTT
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Re: 83' GL110a Media Wing

#19

Post by CYBORG »

I agree. "You need to pull'um"
1978 custom GL1000
1977 custom with 1200 engine
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O_Wing
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Re: 83' GL110a Media Wing

#20

Post by O_Wing »

Ok, with the help of SeaFoam and changing the plugs and adjusting the idle, I now have it idling at 950-1000 with reasonable throttle response. Cylinder 1 still inordinately hotter than the rest, now it heats to over 500 degrees Cyl 3 is about 360 and 2 & 4 are both at about 210 on a 5 minute sitting still run time. I decided to do a compression test, (engine warm, Throttle open, all plugs removed) and heres what I got. cyl1 185psi cyl2 170 cyl 3 165 & cyl 4 170. The head with Cyl 1 & 3 is leaking oil pretty good (looks like head gasket) and I'm thinking that maybe some of that oil has built up deposits that increased the compression in Cyl 1. I will probably go ahead and do the heads and valves while im at it, because I hate a leaky engine.

I found a guy out of Oregon that will do a complete cylinder head rebuild on both heads including a full set of new bronze valve guides and viton valve seals for the Honda GL1000/1100/1200. This service involves disassembly, cleaning and inspection of all components. Ports and chambers bead blasted. Installation of new bronze valve guides, 3 angle valve seat machining in Serdi equipment. Valve faces and tips ground and stems polished. All valve seats vacuum tested to ensure a good seal. Final assembly with new viton valve seals. all for $389.00 plus $24 shipping. Does that sound like a good deal?

This weekend I am going to rebuild and polish the carbs and see if after carb balance it changes anything but I suspect I will have to do the heads too.
carbs.jpg
carbs.jpg (59.99 KiB) Viewed 799 times
83' GL1100a Aspy (current naked project)
02' CR 125 J&M racing Stage 1
03' RM 60 (racing by K&S in Katy)(Son's bike)
98' GL1500 SE (bought new from Stubbs)
76' Candy Brown GL1000 LTD
77' CB750 K
69' Kaw 500/3
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Re: 83' GL110a Media Wing

#21

Post by robin1731 »

Do not let any shop grind the valve faces. These valves have a stellite coating on the. Grinding removes that coating. Not a good thing. The seats can be ground. Not the valve face. New valve guides are ok if the heads need them. Although stock cast iron would be a better option for a street bike than bronze.
1976 Goldwing Super Sport
1985 Honda Elite
1976 KZ900 Dragbike
1992 ZX7 Dragbike (KZ900 style motor w/NOS)
and a rotation of various purchases
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Re: 83' GL110a Media Wing

#22

Post by O_Wing »

Thank you, that's good to know, that's why I asked. anyone know a head rebuilder that knows GW's ?
83' GL1100a Aspy (current naked project)
02' CR 125 J&M racing Stage 1
03' RM 60 (racing by K&S in Katy)(Son's bike)
98' GL1500 SE (bought new from Stubbs)
76' Candy Brown GL1000 LTD
77' CB750 K
69' Kaw 500/3
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O_Wing
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Re: 83' GL110a Media Wing

#23

Post by O_Wing »

robin1731 wrote:Do not let any shop grind the valve faces. These valves have a stellite coating on the. Grinding removes that coating. Not a good thing. The seats can be ground. Not the valve face. New valve guides are ok if the heads need them. Although stock cast iron would be a better option for a street bike than bronze.
I like the supersport, did you have to make any mods for the seat and fender to fit?

O.
83' GL1100a Aspy (current naked project)
02' CR 125 J&M racing Stage 1
03' RM 60 (racing by K&S in Katy)(Son's bike)
98' GL1500 SE (bought new from Stubbs)
76' Candy Brown GL1000 LTD
77' CB750 K
69' Kaw 500/3
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Re: 83' GL110a Media Wing

#24

Post by robin1731 »

O_Wing wrote:
robin1731 wrote:Do not let any shop grind the valve faces. These valves have a stellite coating on the. Grinding removes that coating. Not a good thing. The seats can be ground. Not the valve face. New valve guides are ok if the heads need them. Although stock cast iron would be a better option for a street bike than bronze.
I like the supersport, did you have to make any mods for the seat and fender to fit?

O.

Only to the fender and seat themselves. This bike could very easily be turned back to stock by just removing those pieces and installing stock parts. I built it that way on purpose. ;)

As to your other question. I don't toot my own horn but I have rebuilt some heads for members on here. If they need valve guides they get them. Stock new cast iron ones. I do usually have them surfaced while they are at the machine shop. You can check with polkadot, I did a head for his Valkerie. I did the heads on the bike that sunnbobb did a couple years ago for a customer. There have been some others too but sadly I don't remember names. :roll: You can PM me about doing yours if you like.
1976 Goldwing Super Sport
1985 Honda Elite
1976 KZ900 Dragbike
1992 ZX7 Dragbike (KZ900 style motor w/NOS)
and a rotation of various purchases
Randakk approved Carb Rebuilder
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Re: 83' GL110a Media Wing

#25

Post by Rat »

I'll toot your horn ......

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Re: 83' GL110a Media Wing

#26

Post by O_Wing »

So I have the carbs disassembled, I have dipped 1 carb, but carb 3 & 4 have a plastic butterfly valve spring assembly and I cant figure out how to get it off. The service manual doesn't talk about it, randakk's tips doesn't have it. I have to get it off so I can dip the carb in Chem Dip, it says no plastic parts. Anyone have any info?

O.
83' GL1100a Aspy (current naked project)
02' CR 125 J&M racing Stage 1
03' RM 60 (racing by K&S in Katy)(Son's bike)
98' GL1500 SE (bought new from Stubbs)
76' Candy Brown GL1000 LTD
77' CB750 K
69' Kaw 500/3
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Re: 83' GL110a Media Wing

#27

Post by jimj64 »

Am I understanding correctly that you're measuring the temp of the headers? If that's the case then temps of 500 degrees are not high at all. Is it possible that cylinders 2 and 4 are running very rich and keeping exhaust gas temps and header temps down? You mentioned cleaning the plugs for 2&4, were they fouled or wet? You're compression numbers don't seem too bad, only12% from highest to lowest (20psi is 12.12% of 165) not great but this engine hasn't run for some time correct? You will have to address the oil leak but I didn't see anything in your posts that suggest a head rebuild is necessary, or did I miss something?

Jim
1979 GL1000
1984 FJ600
Just added an 82 Interstate, they're addicting!
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Re: 83' GL110a Media Wing

#28

Post by O_Wing »

Hi JimJ64, Yes I was measuring the head temp at the turn of the header with a laser temp gauge that goes to 1000 degrees, I heard that running at 500+ could lead to burning a valve?

Anyway, yes cyl 1 & 3 plugs have a nice brown tone and cyls 2 & 4 look like they have never been used (all new plugs and run for approx. 10-15 minutes total time). 2 & 4 did have a slight oiliness, but I do know that they are firing because the bike will barely start and run when the 2 & 4 spark plug wires are disconnected, seems to run fine when they are connected. When I feel the tailpipe, way more coming out of the 1 & 3 pipe than the 2 & 4 pipe. (did you see my post on compression earlier?)

Here is what I did this weekend,

Pulled all four carbs, Separated them from the plemun, Had to drill one plenum screw, It was not coming out and it was in that spot where you cant get a vice grips on it.) made many buckets for parts, did a chem dip, did a dawn scrub with brush, did carb cleaner spray and then blew them away with my compressor. Learned a few things with this overhaul.....

1. Should have purchased Randakk's Master Kit, it is a superior carb overhaul kit, all necessary parts are there, no un-necessary parts are there and every thing fits is what I have been told. The air cutoff valves did not fit, had to use emery cloth and reduce the size of the plunger.

2. The carbs were probably most of my problem, cyls 2 & 4 running cool & cyl 1 running hot. (See pic's below)

3. I was only able to replace 1 of the 4 pilot screw valves as they were broken off in the body of the carb. may consider cutting a slot in them and attempt an extraction.

Here are the rebuilt carbs and the diaframs
Attachments
rebuilt_carbs_600.jpg
rebuilt_carbs_600.jpg (76.96 KiB) Viewed 747 times
diaframs_600.jpg
diaframs_600.jpg (90.01 KiB) Viewed 747 times
83' GL1100a Aspy (current naked project)
02' CR 125 J&M racing Stage 1
03' RM 60 (racing by K&S in Katy)(Son's bike)
98' GL1500 SE (bought new from Stubbs)
76' Candy Brown GL1000 LTD
77' CB750 K
69' Kaw 500/3
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Re: 83' GL110a Media Wing

#29

Post by jimj64 »

Your carbs look like the carbs on the 82 I just bought did. I found soaking them in the Yamaha cleaner that someone here on the site recommended was fantastic. They came out looking like new carbs. Luckily none of my idle screws, jets or other "hard" parts were damaged, so rebuilding was easy. I used Randakks kit and it is good, I did find the carb to plenum O-rings a little small but they worked fine. My air cut-off diaphragms looked like yours.

I wasn't sure if you were measuring temps on the header or on the cylinder head itself. Exhaust gas temps can run upwards of 1200* F, I have a turbo Miata with an EGT probe in each cylinder runner and under boost I regularly see exhaust temps of over 1000* in the manifold. If your cylinder heads are getting that hot, that's not good, if it's the exhaust pipe itself, 500* is no problem. Even high temp powder coat, which cures at 800* (at least the stuff my local coater uses does) melted off of the headers on my FJ600, I was warned it probably would melt but thought I would give it a try. They are now ceramic coated.

I did see your compression numbers, if I understand correctly this engine hasn't run for a while? if that's the case I would do a thorough rebuild on the carbs and run it for a while then do another compression check. I am just reviving a 79 that has been in storage since 1984, I did a compression test before doing anything else and the compression was quite low, between 125 and 135 in all four, I've gone through the bike and gotten it running, it now has about 2 hours of run time and the compression is up to 165-175. Your numbers only vary by 12% from highest to lowest, which isn't horrible, not ideal, but not horrible.

Jim
1979 GL1000
1984 FJ600
Just added an 82 Interstate, they're addicting!
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Re: 83' GL110a Media Wing

#30

Post by O_Wing »

Hello all!
It is a bright sunny day here in Katy,Tx! Made it through the carb overhaul, did the float adjustments by the "Randakk" tips, did the bench sync per "Roady's Carb rebuild document" (Which was invaluable many times during the job), The carbs were way out of sync, and that must be why 1 cyl was running so hot, it is in the same range as the others now. Set the pilot screws at 2.75 turns out, Painted upper deck of block, Polished intake tubes and vacuum caps with buffer wheels & Jewelers Rouge, reassembled, re-installed on bike and Viola!!, she runs strong!!, no fuel leaks!!. I'm sure that I will need to fine tune the sync with vacuum gauges but it runs great, idles at 960, snappy throttle response, I am very pleased!!!! and now the Texans will play 1st game today, what a day!!!

Here's some pictures;
carb_lft_after_rebuild-600.jpg
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carbs_rt_after_rebuild-600.jpg
carbs_rt_after_rebuild-600.jpg (229.1 KiB) Viewed 726 times
carbs_rt_after_rebuild2-600.jpg
carbs_rt_after_rebuild2-600.jpg (239.79 KiB) Viewed 726 times
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83' GL1100a Aspy (current naked project)
02' CR 125 J&M racing Stage 1
03' RM 60 (racing by K&S in Katy)(Son's bike)
98' GL1500 SE (bought new from Stubbs)
76' Candy Brown GL1000 LTD
77' CB750 K
69' Kaw 500/3
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