10 Best 20W 50 Motorcycle Oils
for June 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.6
SCORE
Castrol 03168 Actevo Xtra 20W-50 4-Stroke Motorcycle Oil - 1 Gallon, (Pack of 3) (3139)

Castrol 03168 Actevo Xtra 20W-50 4-Stroke Motorcycle Oil

1 Gallon, (Pack of 3) (3139)

by Castrol
What We like

Exceeds API SG and JASO MA-2

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Product Features

  • Superior high temperature oil consumption and oxidation control
  • Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox
  • Continuous protection of engine and transmission
  • Excellent engine wear protection during long trips, short commuting and stop/start conditions

Excellent engine wear protection during long trips, short commuting and stop/start conditions Continuous protection of engine and transmission Superior high temperature oil consumption and oxidation control Formulated with trizone technology to protect all 3 critical zones: engine, clutch and gearbox

2
9.6
SCORE
Castrol 159AE1 06080 Power RS V-Twin 20W-50 4-Stroke Motorcycle Oil - 1 Quart, (Pack of 6)

Castrol 159AE1 06080 Power RS V-Twin 20W-50 4-Stroke Motorcycle Oil

1 Quart, (Pack of 6)

by Castrol
What We like

Exceeds API SL and JASO MA-2

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Product Features

  • Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox
  • Excellent shear stability to prevent viscosity breakdown
  • Race derived technology for maximum engine acceleration
  • Extreme high temperature air-cooled performance

Excellent shear stability to prevent viscosity breakdown Extreme high temperature air-cooled performance Formulated with trizone technology to protect all 3 critical zones: engine, clutch and gearbox Race derived technology for maximum engine acceleration

3
9.4
SCORE
Valvoline 4-Stroke Motorcycle Full Synthetic SAE 20W-50 Motor Oil 1 QT, Case of 6

Valvoline 4-Stroke Motorcycle Full Synthetic SAE 20W-50 Motor Oil 1 QT

Case of 6

by Valvoline
What We like

Formulated to provide outstanding wet clutch protection for maximum power transfer and smooth shifting

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Product Features

  • Added protection against harmful deposits that can decrease engine performance
  • Full synthetic formula helps maximize power and acceleration
  • Excellent wear and corrosion protection to help keep the engine performing its best

Full synthetic formula helps maximize power and acceleration Added protection against harmful deposits that can decrease engine performance Excellent wear and corrosion protection to help keep the engine performing its best

4
9.1
SCORE
Lucas Oil 10702-PK6 High Performance Synthetic 20W-50 Motorcycle Oil - 1 Quart Bottle - pack of 6

Lucas Oil 10702-PK6 High Performance Synthetic 20W-50 Motorcycle Oil

1 Quart Bottle, pack of 6

by Lucas Oil
What We like

Part number: 10702

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Product Features

  • Package Weight : 12.5 pounds
  • Country of Origin : United States
  • Package Dimensions: 8.75 L x 9.13 H x 7.75 W (inches)

Package dimensions: 8.75 l x 9.13 h x 7.75 w (inches) Package weight : 12.5 pounds Country of origin : united states

5
8.7
SCORE
Royal Purple Max-Cycle 20W-50 High Performance Synthetic Motorcycle Oil, 32Oz, pack of 6

Royal Purple Max-Cycle 20W-50 High Performance Synthetic Motorcycle Oil

32Oz, pack of 6

by Royal Purple
What We like

Clean Efficient Equipment Extends Equipment Life

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Product Features

  • Greater Wear Protection On Startup
  • Protects Engine From Rust And Corrosion
  • Increases Engine Life And Performance

Increases engine life and performance Protects engine from rust and corrosion Greater wear protection on startup

6
8.6
SCORE
Maxima (359128 Premium4 20W-50 Motorcycle Engine Oil - 1 Gallon

Maxima (359128 Premium4 20W-50 Motorcycle Engine Oil

1 Gallon

by Maxima
What We like

Crafted from a premium petroleum base, Premium4 is Turbo certified, exceeding all JASO-MA M/C 4T and API SG/CC Specs

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Product Features

  • This formula also has extra anti-scuff additives to handle extreme loads and peak temperatures in high performance engines
  • Maxima's Premium4 is a superior product featuring advanced additive technology in the development of highly stable and long life multi-grade motorcycle specific oil
  • By using an exclusive blend of petroleum base stocks and advanced anti-wear, anti-shear additives, this product assures viscosity stability for all air and water-cooled 4-cycle engines with integrated transmissions
  • Formulated for Wet clutches, the all weather formula reduces friction and engine temperatures and makes for easier starts

Formulated for wet clutches, the all weather formula reduces friction and engine temperatures and makes for easier starts By using an exclusive blend of petroleum base stocks and advanced anti-wear, anti-shear additives, this product assures viscosity stability for all air and water-cooled 4-cycle engines with integrated transmissions This formula also has extra anti-scuff additives to handle extreme loads and peak temperatures in high performance engines Maxima's premium4 is a superior product featuring advanced additive technology in the development of highly stable and long life multi-grade motorcycle specific oil

7
8.5
SCORE
Castrol 06102 GO! 20W-50 4T Motorcycle Oil - 1 Quart Bottle, (Pack of 6)

Castrol 06102 GO! 20W-50 4T Motorcycle Oil

1 Quart Bottle, (Pack of 6)

by Castrol
What We like

Provides maximum protection against viscosity and thermal breakdown

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Product Features

  • Delivers superior engine wear protection and high film strength for high revving motorcycle engines
  • Exceeds API SG and JASO MA-2
  • Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox
  • Specialized additives help prevent against ring-sticking and build-up of harmful deposits

Delivers superior engine wear protection and high film strength for high revving motorcycle engines Formulated with trizone technology to protect all 3 critical zones: engine, clutch and gearbox Exceeds api sg and jaso ma-2 Specialized additives help prevent against ring-sticking and build-up of harmful deposits

8
7.5
SCORE
QuickSilver 8M0060086 20W-50 Full Synthetic 4-Stroke Motorcycle Oil – 1 Gallon

QuickSilver 8M0060086 20W-50 Full Synthetic 4-Stroke Motorcycle Oil – 1 Gallon

by Quicksilver
What We like

PEACE OF MIND - Easy starting and instant cold flow engine protection in low temperatures

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Product Features

  • HARSH CONDITIONS Optimizes clutch performance even in wet clutch applications
  • PROTECTION Additives protect against corrosion of internal engine components and provides overall engine wear protection in high heat conditions
  • PERFORMANCE - Full synthetic formula with excellent film strength to resist shear and oxidation for maximum fluid life

Harsh conditions optimizes clutch performance even in wet clutch applications Protection additives protect against corrosion of internal engine components and provides overall engine wear protection in high heat conditions Performance - full synthetic formula with excellent film strength to resist shear and oxidation for maximum fluid life

9
7.5
SCORE
Royal Purple 01316 4 1-Quart Bottles of Max-Cycle Synthetic Motorcycle Oil 20W-50

Royal Purple 01316 4 1-Quart Bottles of Max-Cycle Synthetic Motorcycle Oil 20W-50

by Royal Purple
What We like

Clean efficient engines

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Product Features

  • Increased performance Excellent rust and corrosion protection
  • Synerlec additive technology
  • Greater wear protection

Greater wear protection Increased performance excellent rust and corrosion protection Synerlec additive technology

10
7.5
SCORE
Maxima (30-039128 Pro Plus+ 20W-50 Synthetic Motorcycle Engine Oil - 1 Gallon

Maxima (30-039128 Pro Plus+ 20W-50 Synthetic Motorcycle Engine Oil

1 Gallon

by Maxima
What We like

Fit type: Vehicle Specific

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Product Features

  • Package Weight : 2.04 pounds
  • Country of Origin : United States
  • Package Dimensions: 11.5 L x 4.5 H x 8.5 W (inches)
  • Part number: 30-039128

Part number: 30-039128 Country of origin : united states Package weight : 2.04 pounds Package dimensions: 11.5 l x 4.5 h x 8.5 w (inches)

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