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25% Off All Online Orders of Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code FOUND25 at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 2/27/17. Online orders scheduled for in-store pick up must be completed by closing on 2/26/17 for discount to apply.

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  • Part #: 112630|
  • SKU: 18627

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    • Maximum shear stability to help resist viscosity shear down in high performance engines and transmissions
    • Exceptional thermal stability to help resist oxidation and high-temperature degradation
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Mobil 1 V-Twin 20W-50 Motorcycle Oil, 1-Quart

Mobil 1 V-Twin 20W-50 synthetic motorcycle oil is formulated to help offer outstanding protection in 4-cycle, V-Twin type engines, particularly those which are air cooled and tend to run hotter than other types of engines. Mobil 1 V-Twin 20W-50 is recommended for 4-cycle V-Twin type engine motorcycles which specify the use a 20W-50 engine oil. This oil will help provide excellent performance in motorcycle engines that are designed with a common engine/transmission lubrication system or where the engine lubrication system is separate from the transmission system. In the case of the latter, follow the manufacturer's recommendation for the type of fluid to be used in the transmission. Mobil 1 V-Twin 20W-50 engine oil is designed to help provide the proper frictional characteristics necessary for wet-clutch common engine/transmission systems. It has been fully tested, both on laboratory dynamometers and in the field, to help provide optimum horsepower and acceleration.
  • Maximum shear stability to help resist viscosity shear down in high performance engines and transmissions
  • Exceptional thermal stability to help resist oxidation and high-temperature degradation
  • Outstanding protection against wear of engine and transmission components
  • Enhanced lubrication to help maintain maximum power and acceleration over the life of the engine
  • Optimized wet-clutch performance
  • Excellent low temperature flow characteristics to help minimize engine wear during start-up
  • This motorcycle oil offers outstanding engine cleanliness for the ultimate in smooth and reliable operation
  • Mobil 1 V-Twin 20W-50 Synthetic Motorcycle Oil protects fluid film at operating temperatures ranging from mild to severe, minimizing deposit formation especially at the high operating temperatures found in air-cooled engines
  • Check out our wide array of motorcycle maintenance products
  • The Pep Boys say: “Our wide selection of premium and well known motorcycle oil brands will not only get you to Point B, but keep your motorcycle running at its top performance.”


Rated 5 out of 5 by 23 reviewers.
Rated 5 out of 5 by Great oil Great service , on time shipping , best price of anywhere I looked up . September 22, 2016
Rated 5 out of 5 by Great product I used to order Amsoil MC Oil for my motorbikes, noticed it was going up in price slowly over the years so I went to Pep Boys during a sale and found this was much cheaper so I switched, Bikes run great, right now I have an HD VRSCA and Triumph Scrambler and they shift and stay cool just as well as the more expensive Amsoil and Mobil 1 is easier to get locally etc... August 31, 2016
Rated 5 out of 5 by Great Harley oil!!! Top of line and a must for your Harley! Save $$$ over HD brand and super protection for your engine! Pepboys run specials making price even better! August 26, 2016
Rated 5 out of 5 by Great oil for your Bike The best oil you can buy for the money, been using it a long time and had no engine failure ,and motor runs great. You can't bet this price anywhere. August 25, 2016
Rated 5 out of 5 by Best lube for all three holes! I put the 20W-50 in the primary, tranny and oil bag and the bike shifts super smooth and runs like a champ! I won't use any other oil for my Harley! October 16, 2015
Rated 5 out of 5 by Vtwin oil Love this oil in my harley October 2, 2015
Rated 5 out of 5 by excellent motorcycle lubricant I believe this is one of if not the best v-twin synthetic motorcycle oil on the market. It has served me well for over 150,000 miles. It is probably the same oil that Harley uses and sells but I have been unable to verify. September 24, 2015
Rated 5 out of 5 by This product is as good as they come Provides the engine protection needed for a healthy engine August 27, 2015
Rated 5 out of 5 by This product has always been good for a V-Twin air cooled motor. I've been using this product in numerous motorcycles I've owned over the years and it's always bee top notch. August 26, 2015
Rated 5 out of 5 by will buy here again very good price with 25% off and free shipping August 25, 2015
Rated 5 out of 5 by Mobil 1 V-Twin 20w-50 Great oil for Harley-Davidson motorcycles. Thank you for quick shipping. I was due for a service. August 22, 2015
Rated 4 out of 5 by The Least of Evils Although Mobil has changed their formula for the worse, this is still the best oil you can get for your motorcycle. With an air-cooled engine, you need an oil that will take severe temperature abuse and that has a high shear strength. Mobil V-Twin still does this well. Just compare the used oil to used conventional oil. Also, all other motorcycle oils that you see at retail stores (except Amsoil and RedLine, which are not generally sold at retail), are 100% petroleum based (group III basestocks). They may have "similar" performance characteristics initially, but because they have so many viscosity modifiers and additives, break down very, very quickly. I recommend doing a little research on oil, not just what the oil companies say. Just take every piece of information with a grain of salt. If you are going to fork over the big bucks for a motorcycle, doing a little research to protect your investment is critical. Oil is the lifeblood of your engine, and inferior lubrication is the ONLY factor that will determine your engine's longevity, provided you keep it in tune and don't get hit by a semi. August 9, 2015
Rated 5 out of 5 by Mobil 1 v-twin Only thing I will put in my Harley March 26, 2015
Rated 5 out of 5 by Mobil 1 20W50 This oil is all I use in my 2014 Harley Street Glide. November 27, 2014
Rated 5 out of 5 by E X C E L L E N T oil Great for air/oil cooled motor bikes August 7, 2014
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