Overdrive


Information and questions on GL1800 Goldwings (2001-2017)
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mariogrotto
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Overdrive

Post by mariogrotto »



Can some one please tell me how the overdrive gear works. The manual says that it comes in over the 80 km/hour in 4° gear, but i have tried various time to look at the rpm dial at do not see any change in rpm. The OD light comes on but there is no diffrence in RPM. Thank you all.



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Steve F
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Re: Overdrive

Post by Steve F »

The so-called "overdrive" is actually 5th gear.....that's all.
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mariogrotto
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Re: Overdrive

Post by mariogrotto »

Thank you Steve, but the real question is how does it come in and when it does you should at least see the RPM go somewhat down.

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MikeB
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Re: Overdrive

Post by MikeB »

There is no overdrive. The OD light comes on when you shift to fifth gear. It is more a fifth gear indicator light.
You will certainly see a drop in RPM when you shift from fourth to fifth gear.
MikeB
1998 - GL1500 w/184,500 miles ~ 2017 - GL1800 w/13000 miles
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WingAdmin
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Re: Overdrive

Post by WingAdmin »

Overdrive is a term that means the transmission is actually spinning the output FASTER than the engine. For gears 1-4, the transmission is acting as a reduction gear - the engine RPM is faster than the output shaft RPM. In fifth gear, it is the opposite: the output shaft RPM is spinning faster than the engine RPM. The term for this is Overdrive. There is no special "overdrive mode" or some special thing that engages on its own. When you shift into fifth gear, that is overdrive.

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Re: Overdrive

Post by Red Ron »

On the bright side, if you haven't been using 5th gear till now you are certainly going to see better mpg.



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