There are engine oils with a zinc (ZDTP zinc di-thiophosphate) level designed to protect engine parts because of its anti-wear properties however, to comply with various legislation requirements and compatibility with catalytic converters the zinc content can vary from 600 ppm to 1200 ppm. It is not always an easy task trying to find out the zinc % in an oil as not all brands list it. Recently I discovered a brand of oil in Australia with a high zinc content of 1480 ppm and formulated for 4 stroke motorcycles.The oil is JASO MA (wet clutch use) and API CG-4/SL rated and is a premium mineral oil. For me these properties are what I want in an engine oil for my bike as I change the engine oil and filter every 3,000 km and being a 15W-50 it is designed for the temperature range I ride in: -5 to + 45 degree C.
I am not involved with, work for, or in any way gaining benefit from the Oil Brand I am talking about here. It is just a product I have found that does the job, seems to do the right thing for my engine and so far I am happy to use it in my ride and wish to pass on the details for others to make up their own mind as to the suitability for their bike. They also list other oils that are suitable for motorcycle use and could be worth a look.
The oil is Penrite MC-4ST 15W-50 Premium Mineral Motorcycle Four Stroke Oil.
Cheers.
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