86 gold wing noise in 3rd and 4th gears


Information and questions on GL1200 Goldwings (1984-1987)
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toro
Posts: 3
Joined: Wed Oct 05, 2016 1:58 pm
Location: apopka, fl.
Motorcycle: 1986 Honda Goldwing 1200

86 gold wing noise in 3rd and 4th gears

Postby toro » Wed Oct 05, 2016 2:19 pm



hi, I am trying to sell an 86 Honda Goldwing 1200. I had a buyer come by, he drove it and said that when he went in to third gear he was hearing a rattleing noise like loose ball berings, and when he went in to 4th gear it got worse. he said it ran fine in other gears. is this a problem in the transmission or something else? I'm 74 years old and can't handle this bike to hear what's going on myself.i know if the engine has to be pulled to work on trans, it's to much for me to handle. what I'm asking is there anything in the trans that will make this noise, or do I need to look elseware. I thank you for any info I can get. and also, if I put it on center stand, can I run it through the gears with the rear of the ground, and maby hear where this noise is.



CrystalPistol
Posts: 267
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Location: Shenandoah Valley of Virginia
Motorcycle: 1985 GL1200A
1997 GL1500SE Lehman Trike

Re: 86 gold wing noise in 3rd and 4th gears

Postby CrystalPistol » Wed Oct 05, 2016 7:48 pm

Wonder what speed he was shifting into 3rd and 4th?

As you know ..... the GL1200 is a 4 cyl Gold Wing, 4 power pulses every two revolutions where as a 1500 with 6 cylinders has 6 pulses each two revs. Those 1200 cylinders are 300 CC each as well, a 1500's are 250 CC each. A 1200 has carb tuning and cam timing for higher RPM ranges, like to redline of 7,500 and the 1500 is tuned to make low end power with a redline of 5,500.

Also, a 1200's engine is mounted solidly to the frame .... the 1500 uses rubber in the mounts to isolate noise and vibration.

I have one of each, they run great, but while my 1500 will tolerate low RPMs in the next gear, that 1200 really likes 2,500 and 3,000 rpm much better. The 1200 will, if shifted into the next gear at too low a speed, make strange rattles that transmit through the frame.

My guess is your prospective buyer just did not know how a 1200 loves to be ridden. If you have a buddy in a local chapter who is used to riding any GL, get him to take the girl for a spin and tell him to keep rpms up above 2,500 / 3,000 and see what he says.
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Rednaxs60
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Location: Victoria, British Columbia, Canada
Motorcycle: 1985 GL1200 LTD, 2008 GL1800

Re: 86 gold wing noise in 3rd and 4th gears

Postby Rednaxs60 » Thu Oct 06, 2016 7:08 am

Agree with CrystalPistol, the 1200 does not like to be lugged. I have an 1800 that I can ride around town all day in 4th and never feel it lugging. The 1200, on the other hand, does not like to be lugged and in the wrong gear. It requires more attention to riding than the 1800, and since I do Iike being more engaged when riding, the 1200 is my choice to ride.

I do find the 1200 will come back up to speed even if it is in the wrong gear, but it must be done gently. If you lay into the bike such as accelerating to get on a highway and are in too high a gear, it will vibrate a lot until you get the RPMs up past 2500 or so.

3rd and 4th gear on my bike require that I be over 2500 RPM or so to ensure a smooth acceleration, or take it easy on acceleration.

I also like CrystalPistols explanation of the workings of the two bikes. Learn something new all the time.

Good luck. Cheers
"When you write the story of your life, don't let anyone else hold the pen"

Ernest

toro
Posts: 3
Joined: Wed Oct 05, 2016 1:58 pm
Location: apopka, fl.
Motorcycle: 1986 Honda Goldwing 1200

Re: 86 gold wing noise in 3rd and 4th gears

Postby toro » Thu Oct 06, 2016 5:37 pm

wow!!!!! thank's a bunch for the info. I'm not a biker, but have had a lot of old stick shift cars, and understand what your saying. I bought this 86 Goldwing for 500 bucks, it had been sitting for quite a while. it was very dirty and rusty. and not running. I rebuilt the carbs, and cleaned the lines and tank, changed filter, and it started right up and ran and idled very well. I completely stripped it a and cleaned an polished everything. it came out unbelievably great. I had it on craigslist for two days, when this buyer that said there was a problem with the transmission came and drove it. I took the add out, thinking he new what he was talking about. so I guess now i'll put it back in and make a copy of what u said for the next buyer. I did change all the fluids also. thank's again, I was thinking I might have to rebuild the trans, and really didn't want to have to pull the motor. you made my day thank's again.

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Rednaxs60
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Location: Victoria, British Columbia, Canada
Motorcycle: 1985 GL1200 LTD, 2008 GL1800

Re: 86 gold wing noise in 3rd and 4th gears

Postby Rednaxs60 » Thu Oct 06, 2016 8:56 pm

Went looking for information on the GL1200 gearing ratios and found an article out of South Africa (I think). It does a good job of detailing the new GL1200 when it was introduced, and how the bike handles compared to the competition.

It mentions the fact that the GL1200 gearing is "taller" than its predecessor GWs. It mentions that the Aspencade feels that it is geared a bit to high at start and this is because of the new FD pairing with the smaller rear tire. It mentions that under heavy load or a trailing throttle (lugging the engine), the GL1200 exhibits a peculiar mechanical grating type of vibration that is a GL1200 idiosyncrasy.

What you have mentioned as an issue by another rider apparently is historic for the GL1200. The article is a good read. Here is the link:

http://www.motorcyclespecs.co.za/model/ ... e%2085.htm

Cheers
"When you write the story of your life, don't let anyone else hold the pen"

Ernest

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WingAdmin
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Re: 86 gold wing noise in 3rd and 4th gears

Postby WingAdmin » Fri Oct 07, 2016 3:36 pm

I agree, the buyer was probably lugging the engine, but the rattling is most likely from the primary chain, which will rattle and sound like a bag of bolts in the crankcase when the engine is lugged, especially if the carburetors need to be synchronized.

toro
Posts: 3
Joined: Wed Oct 05, 2016 1:58 pm
Location: apopka, fl.
Motorcycle: 1986 Honda Goldwing 1200

Re: 86 gold wing noise in 3rd and 4th gears

Postby toro » Sat Oct 08, 2016 10:22 am

hi, thank's again for your info. it's very interesting. everything on the bike seems to work good, even the tape player in the radio works like it was new. I think whoever owned this bike took good care of it. what's with this snyk the carbs thing? I rebuilt all the carbs, it seems to run and idle good. is this something I can do, or is it a Honda dealer fix only. if this is part of my problem, I'd like to fix it. I'm kinda going with the low rpms. the road the guy test drove it is a very small country type road and not very long. thank's again to all of you. I do appreciate it.




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