HIGHTEC FORMULA GT SAE 15W-50 S-Z
Motorcycle Engine Oils

HIGHTEC FORMULA GT SAE 15W-50 S-Z

A fully synthetic 15W-50 for high-revving four-stroke motorcycles that share a common oil circuit between gearbox and a wet (oil-bath) clutch. The JASO MA2 rating means it's not friction-modified, so it won't cause the wet clutch to slip.

ViscositySAE 15W-50
Base OilFully synthetic
ApprovalsAPI SN/SM/SL/SJ/SH/SG, JASO MA2
Pack Sizes1L, 4L

Questions & answers

What is this oil best for?

Sports and high-revving motorcycles with a wet clutch sharing oil with the gearbox, where the manufacturer specifies a 15W-50 grade.

Can I use a car engine oil in my bike instead?

No — car oils are typically friction-modified to save fuel, which can cause a motorcycle's wet clutch to slip. This oil's JASO MA2 rating confirms it's free of those friction modifiers.

Is it suitable for dry-clutch motorcycles too?

It's designed around the wet-clutch, shared-oil-circuit layout common on many sports bikes. If your bike has a dry clutch, check your handbook, though JASO MA2 oils are generally safe across both clutch types.

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