Honda ST1100 Section > Oils, Oil Filters & Servicing ST1100

how often to change oil??

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creeture3:
Hi out there, I have two motorcycles, one a 1986 GPz900R, and the other a 2000 ST1100. Over the last year, the GPz covered 1000 kms ( about ) and the ST about 3000.

My question is: should I change the oil?? And, when??? Or should I wait until the usual 5000 kms................

When I do take the bikes out, they do a country run of about 80 k's, although this can be longer at times. ( Let's say that's a minimum ) and usually at 100 kph ish. Living in the country, I don't have any stop/start traffic issues. ( My closest set of traffic lights is 18 kms away )

I use quality oils.

Over to you for suggestions...................

STeveo:
If you live in a dry atmosphere in country then I would leave until the 5,000Km. If your in a humid coastal area then maybe every twelve months would be better.

creeture3:
Yeah, a relatively dry  climate. The bikes are garaged all the time. It just seems a long time for the GPz , anything up to 5 years without a change.

Maybe I should get out more...............

Williamson:

--- Quote from: creeture3 on September 28, 2019, 04:34:56 PM ---.... I use quality oils ....

--- End quote ---

Was advised last weekend by a brother-in-law (AKA dick-relation), that he changes oil in HSV Commodore at 5,000km intervals, as the car only does 2,000 to 3,000km per year, the oil gets changed at approx. 24 month intervals.

I indicated that most (all) auto and oil manufacturers suggest 12 month is the maximum, his response was that these days quality synthetic oils are not prone to absorbing moisture and they hold their viscosity better.   The 25 year old HSV has done 250,000km (more km in the old days), and does not use / loose any oil between changes.

Perhaps there is some validity in his reasoning, perhaps not.  Any thoughts?

alans1100:
Both STs give every 12 months or 12,000 km in the manual so I go with 12,000 km which I would do every 14 months on average. I use Castrol Active 4T on both bikes.

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