What good is all the power your V-twin delivers if your oil can’t handle the heat?
Extreme heat can cause oil to lose viscosity and become thinner, reducing protection and leading to poor shifts or compensator noise.
We formulate AMSOIL Synthetic V-Twin Motorcycle Oil to fight extreme heat and stress in the toughest conditions.
In fact, industry-standard testing shows that AMSOIL resists viscosity breakdown six times better than Harley-Davidson* SYN3* for improved protection against compensator and transmission gear wear.
Protect your bike and the spirit of the American biker.
Upgrade to AMSOIL protection in your V-twin.
Video transcript: AMSOIL Synthetic V-Twin Motorcycle Oil Helps Improve Shifts
What good is all that power if your oil can’t handle the heat? Extreme heat can cause oil to lose viscosity and become thinner, reducing protection, and leading to poor shifts or compensator noise. We formulate AMSOIL synthetic V-twin motorcycle oil to fight extreme heat and stress in the toughest conditions. In fact, industry standard testing shows that AMSOIL resists viscosity breakdown six times better than Harley-Davidson*’s SYN3* for improved protection against compensator and transmission gear wear.
Protect your bike and the spirit of the American biker. Upgrade to AMSOIL protection at amsoil.com/v-twin.
This article is part of our Motorcycle Oil and Maintenance guide. See every article in the guide.
Recommended AMSOIL products
Start with AMSOIL synthetic motorcycle oil and check out the AMSOIL Product Guide to find additional AMSOIL products specifically designed for your bike.







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AMSOIL Staff articles draw on the combined expertise of AMSOIL engineers, chemists, Technical Services specialists, technical writers and product marketers. Content is developed from AMSOIL data sheets, laboratory and field testing, oil-analysis results and more than 50 years of synthetic-lubricant development. Topics span automotive, diesel, powersports, marine, small-engine, agricultural and industrial equipment, covering lubrication fundamentals, maintenance practices, product selection and real-world customer experience.
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