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Some dealers will recommend fully synthetic because it costs more and therefore their margin is better. If you run a heavy truck for huge distances, then a fully synthetic is worth it due to the extreme conditions. Little moto-siccles don't go that long between changes and very few riders put much of a load on the engine.
Suzuki says:
"Oil quality is a major contributor to your engine's performance and life. Always select good quality engine oil. Use of SF/SG or SH/SJ in API with MA in JASO.
Suzuki recommends the use of SAE 10W-40 engine oil. If SAE 10W-40 engine oil is not available, select an alternative according to the chart."
The chart merely shows temperature ranges, so with the climate in WA it probably makes sense to go to a 15W-50 rather than a 10W-40.
That information comes straight out of the workshop manual - so if it was necessary to run synthetic or even semi-synthetic wouldn't they say so there?
Following the information about SF/SG etc. etc. is more important than anything else.
Yes, additives in *some* car oils can cause issues with bike clutches.
Of course the option for anyone with more money than sense is to go for a Motorex fully synthetic, but then you'd have to have rocks in your head.
Suzuki says:
"Oil quality is a major contributor to your engine's performance and life. Always select good quality engine oil. Use of SF/SG or SH/SJ in API with MA in JASO.
Suzuki recommends the use of SAE 10W-40 engine oil. If SAE 10W-40 engine oil is not available, select an alternative according to the chart."
The chart merely shows temperature ranges, so with the climate in WA it probably makes sense to go to a 15W-50 rather than a 10W-40.
That information comes straight out of the workshop manual - so if it was necessary to run synthetic or even semi-synthetic wouldn't they say so there?
Following the information about SF/SG etc. etc. is more important than anything else.
Yes, additives in *some* car oils can cause issues with bike clutches.
Of course the option for anyone with more money than sense is to go for a Motorex fully synthetic, but then you'd have to have rocks in your head.
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