Hi all,
Where I live, there are not many alternatives to 20w50 mineral oil (mainly Castrol GTX).
I recently found I can source Motul classic oil which is supposed to have high zinc content.
Does anybody have experience with this oil?
Cheers.
Gonzalo
Motul Classic Oil
Started by
gpennino
, May 13 2026 06:22 PM
2 replies to this topic
#2
Shooter63
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- TMF+ Member
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- 1,252 posts
One Carb Or Two?
- Location: Essex
Posted 14 May 2026 - 06:30 PM
I had a quick search around the net for this oil, it seems to have a very high ZDDP content ie 1800ppm which is normally considered too high for the A series engine, further digging seemed to discover it is actually repackaged V twin oil ie suitable for Harley-davidson with there roller lifters and ball/roller bearings. You may be better off staying with Castrol GTX Classic if it's freely available.
Shooter
Shooter
#3
ac427
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- TMF+ Member
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- 733 posts
One Carb Or Two?
Posted Yesterday, 08:34 PM
I had a quick search around the net for this oil, it seems to have a very high ZDDP content ie 1800ppm which is normally considered too high for the A series engine, further digging seemed to discover it is actually repackaged V twin oil ie suitable for Harley-davidson with there roller lifters and ball/roller bearings. You may be better off staying with Castrol GTX Classic if it's freely available.
Shooter
Is this Westway oil more acceptable on the zinc content side?
https://www.westwayo...a25b6a569&_ss=r
Edited by ac427, Yesterday, 08:34 PM.
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