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Discussion Starter · #1 ·
Just changed my rear shaft gear drive lube oil at 1,500 miles. Came out dark with a shimmer. Drain Magnet was full. Put in Mobil Delvac and rode 150 miles and then changed again. Super easy to do with a 17 mm box wrench, foot long vinyl tube and pump. I put the bike in the chock to stand it straight up and drain it within a minute of stopping to keep any particles suspended in the oil. My advice would be change yours early and often as it is super easy to do.
 

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What is the pump for? I thought it was mostly like changing engine oil.. just drain and refill. Can you give me some details? I would like to do this soon.
 

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Perhaps someone here has better information on this topic than I, but I've read comments on another forum that the Goldwing final drive oil should not be changed until required by the Maintenance Schedule. They (F6B Forum) said that some quantity of "moly" is in the factory fluid to keep the gears happy and an early oil change causes loss of the benefits of the moly. I do NOT know if this is true or not so I was wondering if anyone else has heard this. It is not an issue for me yet as I just got my Valkyrie.

I do know that I changed the final drive oil in my previous Honda (ST1300 bought new) at about 1,000 miles and it never gave me ANY problems for the 10 years I owned it.
 

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Discussion Starter · #6 ·
As you have had no problems with your previous bike with an early change, I believe you won't have any issues with an early change on your current bike. I am pissed I waited 1500 miles instead of doing it earlier as it was so easy. I also heard some GL1800s were factory filled low. Anyway, I have no regrets.

Perhaps someone here has better information on this topic than I, but I've read comments on another forum that the Goldwing final drive oil should not be changed until required by the Maintenance Schedule. They (F6B Forum) said that some quantity of "moly" is in the factory fluid to keep the gears happy and an early oil change causes loss of the benefits of the moly. I do NOT know if this is true or not so I was wondering if anyone else has heard this. It is not an issue for me yet as I just got my Valkyrie.

I do know that I changed the final drive oil in my previous Honda (ST1300 bought new) at about 1,000 miles and it never gave me ANY problems for the 10 years I owned it.
 

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I agree. I'm confident that I don't want have a miniature "media blaster" of metal particulates operating on my bike's gears, and I've never heard anything more official than here-say about the factory moly fill.
 

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final drive oil

If someone does trash there final drive by not using the recommended final drive oil. [ I've seen it happen ] The good news is that there are hundreds of GL18 take-off final drive units from trike conversions out there. They are selling them for only a tiny fraction of retail.
 
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