Jim's 1985 GL1200I - The Diva hits the road, ride report - Page 2 - Steve Saunders Goldwing Forums

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post #11 of 70 (permalink) Old 07-23-2017, 10:32 PM
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It's the mechanism on the carburetors themselves. The arms that are used to sync/balance the carbs to each other.

Why ain't we ridin'?
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post #12 of 70 (permalink) Old 07-30-2017, 01:49 AM Thread Starter
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July 29, 2017 Ride Report

It appears the leaky radiator problem is solved. I installed a good used one and ran the bike up to temperature a couple of times and it leaked check good. After that there was only one thing left to do, go ride. From My house I went south on West Lake Sammamish Parkway to I-90 and headed east. Before getting on the freeway I stopped and checked the radiator for leaks. Everything seemed OK so off I went. Traffic out through Issaquah was heavy. There were two bikes about 1/2 mile ahead and I slowly caught up. Both were Harleys ridden by a man and woman. I rode behind them for a few miles and caught up with another pair of Harleys. One of the riders in the second group were wearing Gypsy Jokers colors.
Snoqualmie Pass Summit altitude is 3022 feet. I rode pretty hard, running between 80-85 MPH for most of the distance. The highway is in pretty bad shape and the bike was transmitting a lot of roughness and vibration. I made it to the summit pretty quickly, it is 43 miles from my house. There are a couple of pictures from the summit.
In total I did 90 miles today. By the time I got back to the house the bike had picked up about 500 RPM at idle. In addition a lot of the stumble off idle I was seeing is clearing up. The mid-range stumble is better too. I have a set of mercury carb sticks in the mail. The last thing to do is get the carb properly synchronized and put the fairing lowers on.
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Jim Palmer
Current rides:
\'85 GL1200I Garage Find
\'81 GL1100 Std
\'72 CB450K5
My \'81 Restoration:
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post #13 of 70 (permalink) Old 07-30-2017, 09:14 AM
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You seem to have that BigBoy on the right path now,did you put 84 mirrors on the bike?

Love chasing white lines but they are difficult to catch.Hate drivers with no STOPLIGHTS.

1968 Kawasaki Avenger
1969 H1 Kawasaki
1975 1000
1985 LTD
1982 1100,STANDARD
1991 ST 1100
1991 SE Goldwing.
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post #14 of 70 (permalink) Old 07-30-2017, 05:45 PM Thread Starter
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You seem to have that BigBoy on the right path now,did you put 84 mirrors on the bike?
The bike came with '84 mirrors. It is amazing how many people point that out. I have heard some folks have a problem with them being too low. They seem to work OK for me. If a good deal on the proper mirrors comes up I will get them.

Jim Palmer
Current rides:
\'85 GL1200I Garage Find
\'81 GL1100 Std
\'72 CB450K5
My \'81 Restoration:
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post #15 of 70 (permalink) Old 07-30-2017, 07:06 PM
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Suspect the PO changed them,that is the fastest way to tell an 84 from 85 but from yours that would not be a true statement.It looks to be in great shape,the 1200 model runs great in 4 th gear,when pulling a trailer 4 th gear is your friend,5th lugs down in a long grade pull.

Love chasing white lines but they are difficult to catch.Hate drivers with no STOPLIGHTS.

1968 Kawasaki Avenger
1969 H1 Kawasaki
1975 1000
1985 LTD
1982 1100,STANDARD
1991 ST 1100
1991 SE Goldwing.
1995 BMW R 1100RS
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post #16 of 70 (permalink) Old 08-04-2017, 01:30 AM Thread Starter
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I took the Diva out for about 180 miles today. The bike is running well, but the problem with the stumble in the 3.5K to 4.5K RPM continues. I'm not sure if it is the carburetors. I have them balanced very closely using a Mercury manometer. When the engine is in the 3.5-4.5 range and the throttle is rolled on, it hesitates or stumbles before picking up. After that it feels like there is a steady miss. The engine has a pronounced vibration up to redline. If I pull a partial choke, the engine does not stumble. Any thoughts?

Jim Palmer
Current rides:
\'85 GL1200I Garage Find
\'81 GL1100 Std
\'72 CB450K5
My \'81 Restoration:
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post #17 of 70 (permalink) Old 08-04-2017, 11:34 PM
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Quote:
Originally Posted by JamesPal View Post
I took the Diva out for about 180 miles today. The bike is running well, but the problem with the stumble in the 3.5K to 4.5K RPM continues. I'm not sure if it is the carburetors. I have them balanced very closely using a Mercury manometer. When the engine is in the 3.5-4.5 range and the throttle is rolled on, it hesitates or stumbles before picking up. After that it feels like there is a steady miss. The engine has a pronounced vibration up to redline. If I pull a partial choke, the engine does not stumble. Any thoughts?

leave the choke on partially that seems like the easiest fix.








Seriously it sounds like you're not getting enough fuel to one of the cylinders.

It could be a fuel flow issue possibly a plugged fuel filter ,fuel pump not pumping enough, it also most likely is a plugged jet in the carburetor.
It could be the linkage on the carburetors.

It really sounds like you've got a cylinder that's running lean as in it hasn't even got enough fuel to fire.

Have you checked the plugs?

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post #18 of 70 (permalink) Old 08-05-2017, 01:27 AM Thread Starter
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leave the choke on partially that seems like the easiest fix.








Seriously it sounds like you're not getting enough fuel to one of the cylinders.

It could be a fuel flow issue possibly a plugged fuel filter ,fuel pump not pumping enough, it also most likely is a plugged jet in the carburetor.
It could be the linkage on the carburetors.

It really sounds like you've got a cylinder that's running lean as in it hasn't even got enough fuel to fire.

Have you checked the plugs?
Jeff,
I think you are correct about the fueling. I carefully rebuilt the carbs, ultrasonically cleaned, each passageway in the carb body passed carb cleaner, each jet had a guitar steel E string passed through each orifice, I reused the diaphragms they had shrunk a bit otherwise OK, it has a new filter and the tank was rodding out and lined with Casewell liner. The bike started right up after sitting for 10+ years. The work so far has made it better but it is frustrating. These old wings run so nice.
I think the problem is in the muffler. When I got the bike it has exhaust extensions on it. I didn't like them so I cut them off. Turns out the inner pipe at the rear of the muffler was part of the extension. Every Honda I have ever owned including a 1960 C100 didn't like to have it's pipes messed with. You would always wind up messing with jetting to get it right. I bought a rusted muffler on ebay. I will pull the pipes out and try that. Tanks for your thoughts, it confirms my thinking.

Jim Palmer
Current rides:
\'85 GL1200I Garage Find
\'81 GL1100 Std
\'72 CB450K5
My \'81 Restoration:
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post #19 of 70 (permalink) Old 08-05-2017, 01:32 AM Thread Starter
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And now for another problem. While working the diagnose the fueling problem I took the Diva out for a test run. Dang it the clutch started slipping under heavy throttle loads. I stuck a pin through the reverse flow hole in the master cylinder and it didn't make any difference. Tomorrow I will try to crack the hose and see if there is any pressure. I don't think there will be. Any thoughts? Is it worth getting the OEM Honda clutch plates? How about serviceable used ones? Heck, it is a used bike. The Diva has about 400 miles on it since I reclaimed her.

Jim Palmer
Current rides:
\'85 GL1200I Garage Find
\'81 GL1100 Std
\'72 CB450K5
My \'81 Restoration:
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post #20 of 70 (permalink) Old 08-05-2017, 08:55 AM
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If you bleed it and it doesn't slip then the tiny hole in the master cylinder most likely,sticking a pin in it won't clear it.
Bike...and Dennis likes this.

Love chasing white lines but they are difficult to catch.Hate drivers with no STOPLIGHTS.

1968 Kawasaki Avenger
1969 H1 Kawasaki
1975 1000
1985 LTD
1982 1100,STANDARD
1991 ST 1100
1991 SE Goldwing.
1995 BMW R 1100RS
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