Ideas on Synthetic oil for older bikes 90,000 miles


Information and questions on GL1200 Goldwings (1984-1987)
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Wn31682
Posts: 3
Joined: Sat May 03, 2014 10:35 am
Location: Lakeland, TN 38002
Motorcycle: 1985 GL1200 Aspencade

Ideas on Synthetic oil for older bikes 90,000 miles

Postby Wn31682 » Mon May 05, 2014 10:31 pm



what is everyones ideas and suggestions on using synthetic oil for older machines at 90,000 miles or better?



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Dusty Boots
Posts: 573
Joined: Mon Oct 26, 2009 4:25 pm
Location: Alvinston, SW ON
Motorcycle: 1992 GL1500Aspencade

Re: Ideas on Synthetic oil for older bikes 90,000 miles

Postby Dusty Boots » Tue May 06, 2014 7:48 am

Before you blow a bunch of money on some synthetic oil, why not head on over to your local Walmart and pick up a jug of Chevron Delo 400 LE 15/40 diesel oil and try that.
Works as well as the syn stuff, but a whole lot cheaper.
Lots of us use it and find it works great. I've been using it for over 200,000 k and will run nothing else in my 'Ole Girl! ;)

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SilverDave
Posts: 367
Joined: Sun Aug 09, 2009 9:39 am
Location: Langley, BC
Motorcycle: 1985 GL1200 GoldWing Aspy

Re: Ideas on Synthetic oil for older bikes 90,000 miles

Postby SilverDave » Tue May 06, 2014 12:07 pm

You proudly drive an '85 1200 ?? Great !! me too....

Everything I've read about corrosive, older 5000+ miles) oils suggests that on a GL-1200, with an oil immersed stator, the best approach is very, very frequent oil changes ( less than 3000 ? )

The oil, even if you use synthetic , starts breaking down, around 1500 miles or so ... viscosity first , then into corrosive oxidation products.
These directly eat up the stator insulation , and eventually the coils themselves.

Oil , even if changed frequently, is a lot cheaper than a re and re on a stator .

I usually look for sales at Canadian Tire on motorcycle oil... and if I miss those ....
then I agree with Dusty ... some 20-40 Diesel oil ,with no additives ..... Walmart or Canadian Tire or wherever .

I once drove a few thousand km across the prairies with Diesel 30 wt with no adverse effects that I could see ....
( It was all I could find at the small town I was in )

The 20-50 , or the 15-40 numbers are mostly for starting up... not for running .

If I owned a machine with a dry stator, I might try the synthetic as I've heard you can get 10,000 to 15,000 with no problems .

But on a 1200 ..? Frequent oil changes is the word.

SilverDave


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