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Spare parts reviews ➔ All comparisons ➔ MOTUL ➔ AMSOIL

Gear oil MOTUL or AMSOIL

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MOTUL
AMSOIL
MOTUL › Gear oil
ResourcePlus1168
Rating 5.0

Brakes are genuinely impressive for this segment. Only real issue I faced was chain wear — once you start maintaining it, it improves. I lube mine with 2T gear oil, works surprisingly well. Used Motul for most services, but the last one was with Prolube and the bike feels a bit rougher since then.

Pros: impressive brakes
Cons: chain wear, rougher with Prolube
Mileage: 12000 km
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MOTUL › Gear oil
adrew
  • Noise:
Rating 4.0

When I was researching MTF I found several experience that said the older Toyota transmissions get a little crunchy on the RedLine and I saw lots of good reports for Motul 300 75W-90 so I used that in mine earlier this year. It doesn't have issues but the shifting is ever so slightly smoother.

Pros: shifting is slightly smoother
Cons: crunchy on the RedLine
Vehicle: Toyota
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MOTUL › Gear oil
voidedwarantee
  • Noise:
Rating 4.5

Fresh gear oil can help grinding synchros. It sounds weird, but it's true. 75w90 GL5 is the oil you need. Motul gear 300 is the most recommended gear oil brand for subarus, but any GL5 rated 75w90 gear oil will probably help a lot.

Pros: helps grinding synchros, highly recommended
Vehicle: Subaru
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AMSOIL › Gear oil
Dark_Synergy_Z33
Rating 4.0

TBH, I recommend OEM fluid for the trans for this reason. It's too much of a minefield with hybrid fluids. I used to recommend Amsoil (I use it) but they no longer have the gear oil I use.

Pros: recommends Amsoil gear oil
Cons: no longer available
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AMSOIL › Gear oil
Razorsythe
Rating 3.0

Amsoil severe gear lasted until ~3200 km, but it started again, but much slower progression.

Pros: lasted until 3200 km
Cons: issue started again
Mileage: 3200 km
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Gear oil AMSOIL or RED LINE

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Which gear oil to choose — MOTUL or AMSOIL?

If choosing gear oil across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare gear oil across these categories:

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

Which gear oil are better — AMSOIL or MOTUL?

In March 2026 on PartReview, gear oil AMSOIL were overall better than MOTUL.

  1. MOTUL received a PR Score of 100 out of 100, and AMSOIL scored 95 points.
  2. MOTUL ranked 3 in the overall ranking, and AMSOIL ranked 2.
  3. The average rating is higher for MOTUL (4.8) than for AMSOIL (4.6).
  4. Gear oil MOTUL have better feature ratings than AMSOIL:
    • Noise - owners believe, that this property for AMSOIL is better than MOTUL.
    • Smell - drivers claim, that this property for AMSOIL is outperforms MOTUL.
    • Leaks - reviews suggest, that this property for AMSOIL is preferred to MOTUL.

Which gear oil are more popular — MOTUL or AMSOIL?

In March 2026 on PartReview, gear oil AMSOIL were overall more popular than MOTUL.

By vote balance, gear oil AMSOIL surpassed MOTUL:

  • For MOTUL, the ratio of positive (30) to negative (0) votes is 30 votes.
  • For AMSOIL, the ratio of positive (38) to negative (2) votes is 36 votes.

By number of reviews, gear oil AMSOIL surpassed MOTUL:

  • For gear oil MOTUL there are 10 reviews: 10 positive, 0 neutral, 0 negative.
  • For gear oil AMSOIL there are 13 reviews: 12 positive, 1 neutral, 0 negative.

Which gear oil do car owners prefer — MOTUL or AMSOIL?

In March 2026, according to PartReview, gear oil MOTUL led more car-specific ratings than AMSOIL:

MOTUL are chosen by owners of cars such as: Volkswagen Golf, and others.

Gear oil AMSOIL have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

Other comparisons of gear oil

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of gear oil MOTUL with: RED LINE.

Also available: comparisons of gear oil AMSOIL with: RED LINE.

You can also see who is better among other gear oil manufacturers: AMSOIL or RED LINE, MOTUL or RED LINE.

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