Watersidejmcc Posted July 2, 2023 Report Share Posted July 2, 2023 Asking for a friend who's looking for a more affordable gear oil for his montesa 4RT , elf is $140 a litre here in Nova Scotia. Many thanks for any replies Quote Link to comment Share on other sites More sharing options...
kurtas Posted July 2, 2023 Report Share Posted July 2, 2023 GRO 75W Gear Extreme is a very good replacement for ELF 1 Quote Link to comment Share on other sites More sharing options...
Watersidejmcc Posted July 2, 2023 Author Report Share Posted July 2, 2023 GRO, I'm not familiar with that Thanks for the reply 👍 Quote Link to comment Share on other sites More sharing options...
jonnyc21 Posted July 2, 2023 Report Share Posted July 2, 2023 (edited) I like the NILS Clutch Trial and ELF so maybe you can find some NILS? Also Maxima also makes a light gear oil "Maxima 75w-90" that works well for some in their Montesa's so if you can't find GRO or NILS that might be an option as well. good luck. Edited July 4, 2023 by jonnyc21 Quote Link to comment Share on other sites More sharing options...
Watersidejmcc Posted July 2, 2023 Author Report Share Posted July 2, 2023 Thank you. Good suggestions 👍 Quote Link to comment Share on other sites More sharing options...
lemur Posted July 3, 2023 Report Share Posted July 3, 2023 (edited) at the risk of repeating myself lol All season excavator hydraulic oil 👍 cheap because you buy it in huge quantities and need only half a litre for a motorcycle oil change, works great even in sub zero temperature riding, change it frequently and it's the right stuff. Great for 2-stoke transmissions and Montesa Cota 4RT transmission which is separate from the engine oil. My 4RT is what I stud up for riding through the winter months, great bike for it 😎 Edited July 3, 2023 by lemur Quote Link to comment Share on other sites More sharing options...
Watersidejmcc Posted July 3, 2023 Author Report Share Posted July 3, 2023 Wow really ?? Never knew that you could use hydraulic oil in a bike 👍 Quote Link to comment Share on other sites More sharing options...
lemur Posted July 3, 2023 Report Share Posted July 3, 2023 (edited) It's the same thing they use in farm tractors. Key is to replace it as soon as you get water in it and you'll know that happened when the clutch starts making nasty noises then drains out with a milky colour, that's water. I use Kubota branded oil right now. Edited July 3, 2023 by lemur Quote Link to comment Share on other sites More sharing options...
jonnyc21 Posted July 4, 2023 Report Share Posted July 4, 2023 (edited) Not saying that it will not work as I suspect it really would, however not knowing what kind of additives are in excavator hydraulic oil in comparison to official motorcycle transmission oil I admit I wouldn't go there first myself. But I admit I am wondering how the viscosity values are in comparison to the ELF, NILS, and GRO. Even then I admit if the numbers are close it would be an interesting experiment and wouldn't be against giving it a go in my 07 4RT if I didn't have a lot of ELF left. Will be a bit before I would even need to consider going there however. Edited July 4, 2023 by jonnyc21 Quote Link to comment Share on other sites More sharing options...
lineaway Posted July 4, 2023 Report Share Posted July 4, 2023 Oil is oil when you get down to basics.All it has to do is lubricate. Just like the Elf oil they regard so highly is made for a dry clutch. It's like nobody ever reads the label. My boy buy's the Elf, and I put in Dex XI in all my trials bikes. And I am the one doing the work. Lemur sounds like my boss. What ever is on hand is what he uses. Not that it does not work. We have alot of hydraulic oil on hand, but its not going in my 301. This pic is for lemur. Tesla pulling our smallest excavator. 1 Quote Link to comment Share on other sites More sharing options...
lemur Posted July 4, 2023 Report Share Posted July 4, 2023 21 hours ago, jonnyc21 said: Not saying that it will not work as I suspect it really would, however not knowing what kind of additives are in excavator hydraulic oil in comparison to official motorcycle transmission oil I admit I wouldn't go there first myself. But I admit I am wondering how the viscosity values are in comparison to the ELF, NILS, and GRO. Even then I admit if the numbers are close it would be an interesting experiment and wouldn't be against giving it a go in my 07 4RT if I didn't have a lot of ELF left. Will be a bit before I would even need to consider going there however. The whole point is you don't need or want additives. An excavator is something that can pick up a Tesla and throw it about 30 feet, if you tried to run special motorcycle transmission oil in one you'd go broke real fast and I guarantee it wouldn't run any better. There is enough pressure on the oil to boil water, nothing comes close to thst duty inside a motorcycle engine. I've run it in trials competition for decades with zero clutch issues, 2-stroke or 4RT. ? "Elf oil they regard so highly is made for a dry clutch" where are you going to put the oil in a dry clutch lol that's not going to work so good. 1 Quote Link to comment Share on other sites More sharing options...
Watersidejmcc Posted July 4, 2023 Author Report Share Posted July 4, 2023 Thanks for the info, yeah I've run a lot of excavators. Thanks again 👍 1 Quote Link to comment Share on other sites More sharing options...
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