Information and questions on GL1200 Goldwings (1984-1987)
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4 posts • Page 1 of 1
- Posts: 11
- Joined: Thu Aug 07, 2014 2:13 am
- Location: Reno, NV 89512
- Motorcycle: 1986 GL1200A Aspencade
I have a rattling noise that occurs when the engine RPM goes above 3000. It's much less noticeable when the engine is cold. Matter of fact, it runs like a dream below 3000. I don't think it is piston slap, although I'm really not sure. It's more noticeable when I crank the throttle hard. Any thoughts?
- Posts: 560
- Joined: Tue Sep 29, 2015 11:25 am
- Location: Grants Pass, Oregon
- Motorcycle: 1985 GL1200 Aspencade, 2003 K1200GT BMW, 1969 R69S BMW
Sold : 84 V65 Magna, 82 Moto Guzzi, XS 1100 Yamaha,84 Wing Int., 80 650 Special, Only new bike 82 XV750 Virago (Guam),Honda 250,84 R100RT BMW,87 K100 LT BMW,93 K1100 LT BMW, 91 535 Virago, Honda 50
My thoughts....dont crank the throttle hard....keep below 3000 RPM. I would figure where its coming from, engine, exhaust, head area, clutch area, lower in the engine. You could get an engine stethoscope, like the doctors use only kooler. Or use a screwdriver, put the metal end on the...say valve cover. The handle up to your ear. See if it comes and goes as you move it around from place to place.
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- Joined: Fri Oct 03, 2008 4:16 pm
- Location: Strongsville, OH
- Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer
5str48 wrote:I have a rattling noise that occurs when the engine RPM goes above 3000. It's much less noticeable when the engine is cold. Matter of fact, it runs like a dream below 3000. I don't think it is piston slap, although I'm really not sure. It's more noticeable when I crank the throttle hard. Any thoughts?
First rule out fuel - try a tank full of premium and see if it still happens. That will tell us if it is due to detonation.
Bolt used on the back of the stator is known to cause this if it has loosened up. It's the one you use to turn the motor over when replacing belts. Advice is to turn it clockwise only. It is a 17mm socket size and is under a 17 mm cover cap. It would take much to check.
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