Max-Cycle® Motor Oil
Royal Purple® Max-Cycle® is specifically formulated to exceed the demands of highly stressed engines and transmissions. It is recommended for use in both air-cooled and liquid-cooled 4-cycle engines and is compatible with wet-clutch transmissions.
Key Benefits
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Greater wear protection
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Superior rust / corrosion protection
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Cooler operation and less parasitic power loss
Formulated with select synthetic base oils and Royal Purple’s proprietary Synerlec® additive technology, Max-Cycle provides improved film strength when compared to the leading synthetic and mineral oil. Its shear stability and oxidation resistance promotes greater performance and protection.
Max-Cycle meets or exceeds API requirements and is rated JASO MA2, the highest wet clutch compatibility rating under the JASO T903:2011 Clutch Friction Test.
PERFORMANCE ADVANTAGES
- Greater wear protection
- Cleaner, more efficient engines
- Superior rust / corrosion protection
- Cooler operation and less parasitic power loss
Available Sizes
| Grade | Available Sizes | Part Number | Item Number |
|---|---|---|---|
| 10W-40 | 6 x 1-Qt Case | 06315 | 301069175115 |
| 10W-40 | 1-Qt. Bottle | 01315 | |
| 20W-50 | 6 x 1-Qt Case | 06316 | 301890175115 |
| 20W-50 | 1-Qt. Bottle | 01316 |
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Ran Amsoil in all 3 reservoirs on my Harley Ultra Limited for the first 20k miles. Noticed a immediate difference in shifting after switching to Royal Purple. So much smoother and easier to find neutral. This is the second Harley I’ve had that I’ve felt the difference in. I will only be running Royal Purple from now on.
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Product arrived on time and was well packaged. It is exactly what I needed for my 2006 Kawasaki JetSki.
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Worth every penny. Shifts like butter. Never burnt any oil and I’ve ran this pretty hard in two bikes now multiple seasons. Honda Blackbird and Suzuki Hayabusa.
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You can’t go wrong with using Royal Purple V-Twin Motorcycle oil in your Harley. I’ve used many brands over the years and this is one of the best. I change engine oil every 5,000 miles and a three hole change every 10,000 miles. I have no issues when using Royal Purple.
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What a great product made my dad’s older 1995 virago run great!!
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Been using Royal Purple for years and I put this at the top of the Oil chain. This was used for an 08 Harley Street Glide and the good thing being purple is that you can tell when it’s completed it’s purpose.
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Ran Amsoil in all 3 reservoirs on my Harley Ultra Limited for the first 20k miles. Noticed a immediate difference in shifting after switching to Royal Purple. So much smoother and easier to find neutral. This is the second Harley I’ve had that I’ve felt the difference in. I will only be running Royal Purple from now on.
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love the royal purple 20 50w cycle oil. please keep it in stock as i had to order it from warehouse and wait a half day to get it. from the Republic mo store.
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made my 84 virago run much cooler and quieter.
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2010 softail, replaced the syn3 that they recommend in motor and primary (and i was using for the first 15k miles.) not a HUGE difference, but noticeable. sounds smoother, smells different, clutch seems to engage better and doesn’t “lurch” on initial start-up. expensive, but would buy again.
FREQUENTLY ASKED QUESTIONS
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