Changed Trans and CARC oil today

GRiSO Capo Posts : 332 Join date : 2016-09-09 Age : 75

First time I do believe with 10450 miles on her. I bought it in December with 9,170 miles and almost too embarrassed to print that but this has been a cold winter for SE Georgia.

Transmission oil look pretty good but the carc looked used, glad I decided to change them

I used the Redline heavy shock proof oil in both. That is some weird looking stuff. I hope it supposed to look red and dark, I was afraid it might have gone bad.

Tiradritto Posts : 309 Join date : 2013-12-17

I'm a big fan of the Redine shock proof oil. It is a bit weird to look at and a tad expensive but it does seem to smooth the transmission out.

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GRiSO Capo Posts : 332 Join date : 2016-09-09 Age : 75

davem wrote:: I'm a big fan of the Redine shock proof oil. It is a bit weird to look at and a tad expensive but it does seem to smooth the transmission out.

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Phew, I thouhgt my bottle had gone bad LOL Not as expensive as buying two different bottles for Trans and Carc.

19.95 was enough for both with a little left over.

Tiradritto Posts : 309 Join date : 2013-12-17

[quote="cognosticator"]

davem wrote:: I'm a big fan of the Redine shock proof oil. It is a bit weird to look at and a tad expensive but it does seem to smooth the transmission out.

Phew, I thouhgt my bottle had gone bad LOL Not as expensive as buying two different bottles for Trans and Carc.

19.95 was enough for both with a little left over.

Ride the bike and let us know what you think.

GRiSO Capo Posts : 332 Join date : 2016-09-09 Age : 75

davem wrote:: Ride the bike and let us know what you think.

[/quote]

I took her for a 300 mile ride today for lunch. Bike shifted smoothly and felt great. Could not tell any difference with the CARC and not sure if I should have. It works for me so this will be my gear lube for the future.

Grignapoco Posts : 171 Join date : 2015-06-06 Age : 64

Did mine at the weekend also, I am sure it hadnt been done for ages but the old oil was pretty clear and clean is this usual ?

Grignapoco Posts : 171 Join date : 2015-06-06 Age : 64

Doh just remembered it was done when the swingarm etc was greased
Never mind lets call it preventative maintenance

Don Abbondio Posts : 6086 Join date : 2014-03-13 Age : 69

I changed out my gearbox and Cardan oils last weekend. Cardan was pristine (the oil that is) the gearbox had a small amount on metallic "sludge" on the drain plug magnet (110,000 km) - oil was still clear though.

New oil in both, all good!

Carlotto Posts : 46 Join date : 2017-06-25

Given that it meets the specs for both areas, I use Mobil1 75w90 gear oil in both. Readily available (at least in North America), reasonably priced, and (based on lab test I paid for) quite capable of being changed out every other engine oil change. It also provides more pleasant shifting than the factory spec oil, at least to my senses.

Nice that there are several good options to choose from...

Grignapoco Posts : 115 Join date : 2017-09-20 Age : 48

Here's the oils I use in Western Canada. 75W90 API GL4 is what I use in the final drive, and the SAE 80W90 is what I use in the transmission. 10W60 dirt bike oil in the engine. I did lots of research, and compared all the specs first, before trying these Amsoil products, and so far everything sound and feels great. It actually shifts smoother too. I don't have a picture of the 80W90 bottle, but here's the other ones.
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Grignapoco Posts : 135 Join date : 2016-11-26 Age : 56

GL4? Those recomended by Guzzi are GL5, both for transmition and gearbox.

Grignapoco Posts : 115 Join date : 2017-09-20 Age : 48

avgpetro wrote:: GL4? Those recomended by Guzzi are GL5, both for transmition and gearbox.

not according to my service manual. [You must be registered and logged in to see this image.]

I call the gearbox a transmission, and the transmission a final drive, but that's just my English here in this part of the world. The AGIP final drive oil recommended is AGIP 80W90, which is a GL 4. The transmission / gearbox has yellow metals and needs a GL5 , so it's non corrosive to the yellow metals.
Well I could be wrong, but that's the conclusion I can too.
Cheers, Norm.

Grignapoco Posts : 135 Join date : 2016-11-26 Age : 56

Interesting... just looked at various manuals (for my 1100) here: [You must be registered and logged in to see this link.]

Some manual recomends the "Rotra" series for gearbox and trasmission, another the "Truck Gear" series also for both, another recomands the "Rotra" for the gearbox and the "Truck Gear" for the transmission. Also, both 85w90 and 85w140 can be found as recomended for the tranmission....

The manuals that recomends the "Truck Gear" also recomends 5w40 for the engine...

At some point somebody realised the mess, so this was released:
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... and this is what I use as starting point.

The "Rotra", both MP 80w90 and MP/S 85w90 both are GL5.

Thanks, now you've made me wonder, maybe someone found out that GL5 is not good for the CARC, and changed it to GL4, after this bulletin release?

Or is it, they couldn't make up their minds about the lubricant, so they desided to stop making CARC bikes?

Don Abbondio Posts : 6086 Join date : 2014-03-13 Age : 69

conundrum plus!

GRiSO Capo Posts : 956 Join date : 2014-06-05

Yous lot are going to give me an oil anxiety attack!

GRiSO Capo Posts : 10712 Join date : 2013-05-29 Age : 67

Stop fretting. Any good quality 75/90, 80/90 or straight 80-90 wt full synth will be just fine.

Tiradritto Posts : 309 Join date : 2013-12-17

I used to buy machine tools for an engineering company and the oil reps were my least favorite visitors. Talk about snake oil salesman those guys could sell snow to eskimos.
Competitors products were always dismissed with dire warnings of immediate disaster and somehow their company had invented a oil that no one could replicate, I was always glad to see the back of them.

Do what Pete said and you will be fine.

GRiSO Capo Posts : 1738 Join date : 2014-07-03

Pete Roper wrote:: Stop fretting. Any good quality 75/90, 80/90 or straight 80-90 wt full synth will be just fine.

Well, that takes all the fun out of it! cheers

Bill

GRiSO Capo Posts : 257 Join date : 2015-09-09 Age : 65

My Yearly service includes Changing ALL fluids. I think this is good practice no mater what brand you use.

Squinternotto Posts : 3 Join date : 2014-04-29

getting ready for the season. wanted to try the redline (got a Amazon giftcard with just enough

GRiSO Capo Posts : 332 Join date : 2016-09-09 Age : 75

Moto Morphin Power Range wrote:: getting ready for the season. wanted to try the redline (got a Amazon giftcard with just enough

That is what I went with about 4000 miles ago and the bike is still running so it must be doing it job.

Squinternotto Posts : 3 Join date : 2014-04-29

Thank you for the speedy reply.

I'm going to try it in both as well.

GRiSO Capo Posts : 332 Join date : 2016-09-09 Age : 75

I tried it from some recommendation on this forum, so I went with it

Montanarolo Posts : 17 Join date : 2019-11-17

Is hypoid oil ok in both gearbox and rear drive?

Thanks all.

GRiSO Capo Posts : 10712 Join date : 2013-05-29 Age : 67

Yup, as long as it's the correction weight. A75/90 covers all bases but an 80/90 would be fine too.

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