Advertising Disclosure 10w40 Motorcycle Oil Fully Synthetic Comparison - June 2025
4 Best 10w40 Motorcycle Oil Fully Synthetic In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.7Exceptional | 2  9.5Excellent | 3  9.3Excellent | 4  9.2Excellent |
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ModelCastrol POWER1 4T 10W-40 Motorcycle Oil 4L, White | Model Elf Moto 4T Road 10W40 Motorcycle Oil 4 Stroke Engine Oil 4L | Model Motul 5000 4T 10W-40 HC-Tech 4 litre+1 litre free | Model Fully Synthetic 10W-40 Motorcycle Engine Oil Ultra 4T 4-Stroke 5 Litre 5L |
BrandCastrol | Brand ELF | Brand Motul | Brand Smith & Allan |
Reviews | Reviews  | Reviews | Reviews |
Tech Specs | |||
item weight 3.65 kg | item weight 2.4 kg | item weight 4.6 kg | item weight 5 kg |
viscosity 10W 40 | viscosity 10W40 sae grade | viscosity 10W-40 | viscosity 10W-40 |
manufacturer part number 15F5A1 | manufacturer part number 213958 | manufacturer part number 802.62.04 | manufacturer part number LIMUL10W405LT |
customer reviews4.8 4.8 out of 5 stars 9, 066 ratings 4.8 out of 5 stars | customer reviews 4.9 4.9 out of 5 stars 21 ratings 4.9 out of 5 stars | customer reviews 4.8 4.8 out of 5 stars 33 ratings 4.8 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 14 ratings 4.4 out of 5 stars |
model POWER1 | model 4 Stroke Engine Oil | model Motul 5000 4T 10W-40 HC-Tech 4 litre+1 litre free | model Limitless Ultra 10W-40 |
manufacturer reference 15F5A1 | manufacturer reference 213958 | manufacturer reference 802.62.04 | manufacturer reference - |
Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1Castrol20% OffCastrol POWER1 4T 10W-40 Motorcycle Oil 4L, White
Why we love it
Optimizes performance with Power Release Technology.
High-quality oil for modern 4-stroke motorcycles.
Improves gear changes and overall ride experience.
Main highlights- Type: Part Synthetic
- Suitable for API/JASO
- Specifications: API SN, JASO MA2
- Power Release Technology reduces loss of friction and optimises motorcycle performance and acceleration
- Castrol POWER1 4T 10W-40 (Formerly Castrol POWER1 GPS 4T 10W-30) is an advanced, premium quality engine oil developed for the latest generation 4 stroke motorcycle engines.
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9.5
2ELF
Elf Moto 4T Road 10W40 Motorcycle Oil 4 Stroke Engine Oil 4L
Main highlights- Specifications: API SN, JASO MA2
- Reduces piston ring groove fouling for optimum sealing during combustion
- Preventing clutch slippage and premature disk wear
- Elf Motorcycle engine oil ensures easy cold start-ups, fast oil pressure rises and low friction between moving engine components
- ELF MOTO 4 ROAD 10W-40 is synthetic based 4-stroke motorcycle engine oil for modern high-performance sports bikes
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Features
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Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
