Is a 1976 GL1000 interchangeable (all parts) with a 1978 GL1000? - Steve Saunders Goldwing Forums

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post #1 of 12 (permalink) Old 04-07-2010, 09:39 PM Thread Starter
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I am looking for a parts bike, are most of the parts interchangeable and what parts wouldn't be on a 1976 and 1978?



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post #2 of 12 (permalink) Old 04-07-2010, 09:51 PM
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If your looking for replacement parts for your 2 1100s ,you should look for an1100 . Not much of anything from the 1000 series is the same for the 1100 .

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post #3 of 12 (permalink) Old 04-07-2010, 09:55 PM Thread Starter
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Actually my son has taken on a 1978 GL1000 and trying to get it road ready.



Thanks for the response.



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post #4 of 12 (permalink) Old 04-07-2010, 10:31 PM
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Others here would know better than I, but....

I owned a 76 GL1000 (135K miles in 7 years), and my understanding is that the 75-77's were MOSTLY (but not completely) the same "bits".

The 78 is a fairly different machine, and I wouldn't recommend it, as a "parts bike" for the 76, or vice-versa. I know that the brake systems are quite different, for example.

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post #5 of 12 (permalink) Old 04-07-2010, 11:03 PM
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The carbs on the 75-76 had larger bores than the later 1000s. There were some other differences but mostly in the engine, hotter cams too, I believe. The '77-79s were detuned a bit compared to the first two years which were more for the hairy chested.

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post #6 of 12 (permalink) Old 04-07-2010, 11:13 PM
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Ok, you got me, Paul. I'm amongst the "hairy chested"?

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1998 ST1100 British Racing Green- my poor UK lass- always \"rode hard and put up wet\"!
1982 VF750S-for sportiness sake
1981 GL1100 Interstate, 1979 GL1000
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post #7 of 12 (permalink) Old 04-07-2010, 11:55 PM
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If you have a '78 model, best to find a '78 or '79. Even '79 has some differences as well, but it's closer that the '75-'77.

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post #8 of 12 (permalink) Old 04-08-2010, 07:22 AM
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The '76 has the kick start still, and that reserve lighting system is mounted under the left hand tank side as you sit on the bike. The wiring harnesses are different. The brakes and wheels are different. Seats will fit. The light module that tells you if the lights are out or indicates turn signals is different. Gauges are different, but basically the same. The speedometer for the '78 has some little gizmo in it for the turn signal buzzer, which isn't a necessary item,and the '76 doesn't, and the Tach for the '76 has a temp gauge in it that the '78 tach does not have. Fuse blocks are in different locations. (I personally think the '76 location is better than the '78-'79 location.)

The side covers are different shapes. The timing proceedures are the same for both earlier and later engines.
The '78 times at 10ºBTDC and the '76 times at 5ºBTDC. You don't really have to know that however.
The carbs are different '78's are smaller. '75-'77 has a bit hotter cam. Valve lift is the same and so is the setting of the valve gap. Point gap is the same.
The frames are slightly different shapes, but all the mounting points for the engine are in the same locations so the engines can be switched if need be. Same radiators.Same shrouds around the radiators and the heat shield between radiator and carbs is the same.

You can interchange the heads, but do both of them at the same time.
Timing belt is the same, although I have seen different numbers for them, but only from Mama Honda. Same fuel pumps.
Tanks look to be the same shape also.
The faux tanks are different. I haven't tried to put the one from my '76 on my '78 so I don't know if that can be done. Nice thing about 'Wings is they don't have to be there to run the bike, so you could always fabricate your own.
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post #9 of 12 (permalink) Old 12-16-2010, 10:16 AM
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I didn't think it was appropriate to start a new thread as my question is basically the same premise as this thread.

I have access to a running 75 goldwing but the front end is damaged and not ride-able. I also have access to a non running 78 that I could pull the front end off and put on the 75.

I haven't done much research or even checked the bikes that closely, but thought if I could match up the front end to the frame I would have a working bike. Am I just spinning my wheels or does anyone know if the bikes will align and bolt together?

Hopefully I am explaining things well enough to get an answer.

Any insight would be appreciated.

Thanks,

If you need more info just let me know!!!!!!!!!

John
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post #10 of 12 (permalink) Old 12-16-2010, 10:21 AM
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Welcome to the forum!

You've come to the right place for answers (even though I don't have them for you!).



1978 Honda GL1000

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