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Spare parts reviews ➔ All comparisons ➔ Eneos ➔ Motorex

Engine oil Eneos or Motorex

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Eneos
Motorex
Motorex › Engine oil
rat_trap69
Rating 5.0

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
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Motorex › Engine oil
rat_trap69
Rating 4.0

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
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Eneos › Engine oil
Quikslvr13
  • Engine noise:
  • Exhaust smoke:
Rating 5.0

I have used Eneos 5w30 in it since I bought it. This is a group 5 oil and I believe that it saved my ass. Last summer going to work my car blew the top radiator hose off. I was about 3 miles from work and so I decided to just drive it. The temp gauge was pegged all the way. Come to find out my radiator inlet broke since it was plastic. I was able to get the hose back on after work and filled it up with coolant. Replaced the radiator with an aluminum CSF two row and knock on wood everything has been good since. Not losing water or oil and no smoke coming out the tailpipe or anything.

Pros: engine protection, no oil/water loss after overheating
Vehicle: Subaru
Mileage: 95000 km
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Motorex › Engine oil
Dependent-Ratio-170
Rating 4.0

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
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Motorex › Engine oil
No_Question_8083
Rating 3.0

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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Motorex › Engine oil
No_Question_8083
Rating 3.0

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 — Eneos or Motorex?

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:

Comparison of engine oil Eneos and Motorex
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which engine oil are better — Motorex or Eneos?

In March 2026 on PartReview, engine oil Eneos were overall better than Motorex.

  1. Eneos received a PR Score of 97 out of 100, and Motorex scored 84 points.
  2. Eneos ranked 16 in the overall ranking, and Motorex ranked 27.
  3. The average rating is higher for Eneos (4.8) than for Motorex (4.3).
  4. Engine oil Eneos have better feature ratings than Motorex:
    • Engine noise - owners believe, that this property for Motorex is better than Eneos.
    • Exhaust smoke - drivers claim, that this property for Eneos is outperforms Motorex.
    • Warning light - reviews suggest, that this property for Eneos is preferred to Motorex.

Which engine oil are more popular — Eneos or Motorex?

In March 2026 on PartReview, engine oil Eneos were overall more popular than Motorex.

By vote balance, engine oil Eneos surpassed Motorex:

  • For Eneos, the ratio of positive (77) to negative (2) votes is 75 votes.
  • For Motorex, the ratio of positive (44) to negative (8) votes is 36 votes.

By number of reviews, engine oil Eneos surpassed Motorex:

Which engine oil do car owners prefer — Eneos or Motorex?

In March 2026, according to PartReview, engine oil Eneos and Motorex 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 Eneos with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, PENNZOIL, RED LINE, OEM Toyota.

Also available: comparisons of engine oil Motorex 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.

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