Table of Contents
Royal Enfield guys are quite attached to their bike and if you are among them you must be looking for the best engine oil for Royal Enfield to protect it from any damage.
Your search is over as we have shortlisted 5 best engine oil for Royal Enfield bikes based on the parameters below that you should consider before you buy engine oil next time for your love. (Lol)
- Oil Viscosity
- Cooling Mechanism
- Cleaning Abilities
Let’s go through our list of 5 best engine oil for Royal Enfield in India to make an informed decision.
Best Engine Oil For Royal Enfield in India 2022
#1. Shell Advance AX7 15W-50 API SM Semi-Synthetic Engine Oil

If you need less noise and high performance from your Royal Enfield bike, go with Shell Advance AX7 15W-50 API SM Semi-Synthetic Engine Oil.
Shell Advance AX7 oil contains an active cleansing technology that keeps mud, dirt from depositing on the engine walls.
Oil reduces a lot of friction and hence there is not much production of noise, vibration, and gives guaranteed performance to your bike.
The oil meets specifications from the API and JASO making it fit for your cruiser bike.
Shell engine oil also prolongs the life of your bullet’s engine and improves efficiency with good quality additives.
Pros
- Lesser noise from first use
- High performance
- Superb quality.
- Does not let the dust particles stick to the engine walls
Cons
- The oil does not cool down very fast
- Might not be optimum for vehicles in summer.
Why you should buy this product
If you want to reduce the engine noise and enhance its performance
Also read – Best helmets in India
Best Engine Oil For Royal Enfield Classic 350
#2. Mobil Super Moto 4T Synthetic Technology 15W-50 Motorcycle Engine Oil

Mobil Super Moto 4T provides 57% more wear protection from regular engine oils by adding a protective layer over different parts of the engine.
The oil lubricates the engine so well that the clutch can move smoothly and the transmission is hassle-free.
Thus you get reduced friction between parts and avoids any kind of excessive wear and tear to the engine.
You also get a longer valve train and bearing component life because of superb corrosion protection properties.
The oil has a good SAE weightage that makes it ideal for cold regions the viscosity remains low at low temperature ideal for a smooth bike ride in harsh weather conditions.
Pros
- Good lubrication to the clutch
- Protective features for the engine.
Cons
- Not effective at high temperatures.
- Not ideal for less capacity vehicles.
Why you should buy this product
If you need superb engine protection in cold harsh weather
#3. CASTROL Power 1 Cruise 15W50 2.5LTR Synthetic Performer Engine Oil for Royal ENFIELDS

CASTROL Power 1 Cruise is ideal for heavy-duty four-stroke bikes whether they have fuel injection function or a regular carburettor.
The oil cools down quickly after returning from the engine thus increases engine life in North Indian summer heat.
The oil cleanses and protects the engine from wear, tear, and damage because of unique formula that reduces the formation of ashes as well as prevents the production of harmful and poisonous gases.
CASTROL Power 1 Cruise oil meets all the international standards like API SL, JASO MA-2 Standards so you need not worry about the engine health.
Pros
- Ideal for both carburettor as well as fuel-injection system
- Oil cools down quickly makes it ideal for long drives in summer
- Reduces ashes and harmful gas exhaustion
- Eco friendly
Cons
- Expensive
- Requires oil change after long drive
Why you should buy this product
Exceptional performance to improve the life of the engine and faster transmission.
Best Engine Oil For Thunderbird 350
#4. Castrol ACTIV Cruise 4T 15W-50 API SL Engine Oil for Bikes

Castrol ACTIV Cruise 4T provides 3X protection from starting as well as during running the bike.
Castrol Activ CRUISE with Actibond molecules protects against harmful deposit build up, so secure your bike’s engine from the ill effects of long rides.
The oil performs well at cold temperature also due to 15W-50 viscosity rating.
Pros
- 3X engine protection
- Reduces excessive pressure on engine
- Avoids dirt deposition.
Cons
- Doesn’t reduce engine noise.
- A bit expensive.
Why you should buy this product
If you have a thunderbird 350 bike and you need an engine oil that enhances engine life.
#5. Motul 3000 4T Plus 15W50 API SM HC Tech Engine Oil for Royal Enfield Bullets

Motul 3000 4T engine oil is protective engine oil contains a catalytic converter that increases the efficiency of the oil. The oil promotes smoother transmission by providing enough lubrication to the clutch.
Motul 3000 4T has a very good thermal resistance that gives high performance on longer drives.
You also get a good amount of additives that cleanse and protect your Bullet’s engine from any damage.
Motul 3000 4T satisfies all the standards from JASO MA, API SL, and makes it fit for all heavy-duty Royal Enfield Bullets.
Once changed the oil can last long up to 6-8 months. Hence, you do not require to change the oil frequently.
Pros
- Cleans and protects the engine
- Gives smoother transmission
Cons
- Not ideal for low capacity motorcycles
- A bit pricey.
Why you should buy this product
Ideal for bullet owners who go often go on long drives
Things To Consider While Buying Engine Oil For Royal Enfield
#1. Oil Viscosity
Royal Enfield is a heavy-duty vehicle require a SAE grade highly viscos engine oil.
If you have a new twin spark or EFI Royal Enfield bike then go for 15W50 viscosity, here 15W is the viscosity and 50 is the grading of the oil. Higher the number more thick the oil would be.
If you are having an old Royal Enfield bike, then go with 20W50 engine oil as those engines are less precisely built thus prone to more wear and tear. A more viscous engine oil would avoid that wear-tear.
#2. Cooling Mechanism
The engine oil heats up a lot while it is working inside the engine, after the engine the oil returns to the oil pan, when it returns back it should cool down fast to ensure the longevity of engine.
#3. Cleansing Abilities
The engine oil is made up of two things – additives and base oil. Additives clean the engine and protect it from any kind of damage, and the base oil is used for clutch bathing to avoid any friction.
Your engine oil must contain 10 to 30% additives to keep engine internals clean as well as protected from friction.
Final Thoughts
If you love to go for long drives, then use Shell Advance AX7 15W50 API Engine Oil that meets all international standards and provides good thermal resistance to your bullet’s engine on longer drives.
CASTROL Power 1 Cruise 15W50 Engine Oil is very eco-friendly as it reduces harmful gas production and enhances engine performance making it ideal for all Royal Enfield bikes.