vs
Engine oil Motorex or ELF
At the end of the day, pretty much anything in spec will work fine.
That being said, I did a bunch of research for my V85 and determined that Motorex Cross-Power does the best in high demand applications. Air cooled engines can have a really wide temp range. That's what I use.
Pros: best in high demand
It works great, maybe a bit expensive. I've run used oil analysis and change it 3-4k miles based on aluminum wear. I don't see a reason to use something else.
Pros: works great
Cons: a bit expensive
I use Motorex semi-synthetic 4t in all of my KTM's over the years in a 15w50 weight. It has never been an issue. I have used Motul 5100 and 7100 in other bikes before, and I prefer the 7100 over the 5100. It feels like the bikes perform better when the temps rise and I'm really riding them hard.
Pros: bikes perform better
Just came across this. Mine is a 2024 w 31 hours. I always used Motorex but I’m trying T6 this time. I use it in all my other off road bikes. In the 2t it’s just the clutch and trans. Also I’m changing it every 10 hrs
Ive used these. Motorex was the best. Castrol was pretty good, and Shell in case the others were not available. Now at 34k odo without problems.
Pros: Motorex was the best
Cons: Shell not always available
Mileage: 34000 km
I have always used Motorex. I have the same bike and 3 other KTM’s. Always Motorex. I know it is spendy but it’s very high quality
Pros: very high quality
Cons: it is spendy
In my Shiver 750, Motul or Motorex every 3,500 miles were required to keep neutral findable when you want it and hidden when you don’t. False or impossible-to-find neutrals were a sign that it was time for an oil change.
Pros: findable neutral
Cons: impossible-to-find neutrals
Mileage: 3500 km
I've been putting 10w-40 ELF 70 STI regular oil in my 1.6 petrol from '98 for 3 years now with no issues.
Pros: no issues, good performance
Vehicle:
Opel Astra G
It takes a “synthetic blend” of motorex 15W50 oil. And uhh yeah works good I guess, don’t have to change it too often, and as far as performance goes, it doesn’t really matter because I’m on restricted power anyways so yeah ????♂️
Pros: works good
Cons: restricted power
It takes a “synthetic blend” of motorex 15W50 oil. And uhh yeah works good I guess, don’t have to change it too often, and as far as performance goes, it doesn’t really matter because I’m on restricted power anyways so yeah ????♂️
Pros: works good
Cons: restricted power
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Which engine oil to choose — Motorex or ELF?
If choosing engine oil across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare engine oil across these categories:
- PR Score.
- Overall ranking.
- Vote balance.
- Average rating.
- Number of reviews.
- Feature ratings.
- Car owners’ choice.
Which engine oil are better — ELF or Motorex?
In March 2026 on PartReview, engine oil ELF were overall better than Motorex.
- Motorex received a PR Score of 84 out of 100, and ELF scored 95 points.
- Motorex ranked 27 in the overall ranking, and ELF ranked 23.
- The average rating is higher for ELF (4.4) than for Motorex (4.3).
-
Engine oil ELF have better feature ratings than Motorex:
- Engine noise - owners believe, that this property for Motorex is better than ELF.
- Warning light - drivers claim, that this property for ELF is outperforms Motorex.
- Exhaust smoke - reviews suggest, that this property for ELF is preferred to Motorex.
Which engine oil are more popular — Motorex or ELF?
In March 2026 on PartReview, engine oil ELF were overall more popular than ELF.
The brands are equal by vote balance:
- For Motorex, the ratio of positive (44) to negative (8) votes is 36 votes.
- For ELF, the ratio of positive (38) to negative (2) votes is 36 votes.
By number of reviews, engine oil Motorex surpassed ELF:
- For engine oil Motorex there are 16 reviews: 12 positive, 4 neutral, 0 negative.
- For engine oil ELF there are 13 reviews: 12 positive, 1 neutral, 0 negative.
Which engine oil do car owners prefer — Motorex or ELF?
In March 2026, according to PartReview, engine oil Motorex and ELF have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.
Other comparisons of engine oil
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of engine oil Motorex with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, PENNZOIL, RED LINE, OEM Toyota.
Also available: comparisons of engine oil ELF with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, PENNZOIL, RED LINE, OEM Toyota.
You can also see who is better among other engine oil manufacturers: Mobil or Castrol, Mobil or LIQUI MOLY, Mobil or MOTUL, Mobil or Shell, LIQUI MOLY or Castrol.