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BHPian avikrpandit recently shared this with other enthusiasts.
AMSOIL INC website says “AMSOIL specializes in developing high-performance synthetic oils for car lovers, petrol-heads and those who are passionate about performance.” It’s not just a marketing statement but true in real-world usage.
In the past, these are the engine oils that I have used in my Jawa Forty-Two (293cc) (the order is based on usage i.e. which was used first and so on):
So far, based on my riding style and testing (the engine remains the same), here is the ranking I would give to the above three:
The reason I gave the rankings early on while writing will be evident in the next few sentences as you read along. This also gives you a good sample size of the variety of different engine oils used on the same engine to make sense of the outcome.
I will start by mentioning the nitpicks I have for the above three. Not deal breakers by any means and these are definitely good engine oils to use. Nevertheless, these are my findings:
Now, coming to AMSOIL, all the above nit-picks or caveats or shortcomings were outperformed by AMSOIL. Credit to where it's due, not all engine oils perform the best on all ranges of RPMs for the same engine. Some work well in Low and Mid and some work well in High RPMs. AMSOIL absolutely worked silky smooth on all RPM ranges. Whether that be Crawling city traffic, Moving city traffic, Cruising on highways on Mid RPM, Fast cruising on highways on High RPMs. Absolutely impressed by the way AMSOIL performed. All this while being the best in terms of Engine temperature dissipation (not the radiator or fan, just the engine).
I also agree, this engine is not the creamiest of the engines out there and definitely miles behind Japanese engines. This actually is a good reference point when something like a good engine oil is able to improve the functioning and operation of the engine. On an already smooth engine, the difference might not be so much to even notice. (Although, veteran motorcyclists have the magic to know even that).
So, now you know why I ranked the three engine oils I have used before early on. AMSOIL undoubtedly has outperformed all of them and has topped the charts (according to my testing). Have completed the 6000 kms drain interval on AMSOIL and definitely super happy with it. At the time of drain, the engine oil still was much like oil, not water i.e. did not lose its viscosity after 6000 kms. So in a pinch, you can do a bit more, though not recommended to exceed the drain interval set by your bike manufacturer.
Here are some snapshots:
If you or your fellow motorcyclist does have a short stroke, high revving, high compression engine, do test AMSOIL out (same grade as manufacturer recommended). I am very much sure, you will be pleased by this oil.
For long stroke, low compression, I have heard it works well too but I haven’t tested it myself.
On YouTube and Instagram, you can see the review by Ben Philip (Instagram: @ontwowheelsben) and his YouTube Channel on his experience with this oil on his Himalayan 411 and Honda Jazz.
Even if you are not looking for this engine oil testing by Ben, if you like working on your motorcycles, you will absolutely love the way Ben documents his work.
Thank you for reading if you're still here.
Ride Safe, Ride Far, Ride Long!
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