Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Get quotes from trusted UK Honda S660 engine specialists. Compare rebuilt and performance reconditioned prices for S07A - 0.5L turbo kei engine covered. Find UK performance engine specialists.
Rebuilt units from £3,150
Common codes: S07A

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The table below shows typical UK rebuilt engine costs across Honda S660 variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying for JDM import kei car engines.


Customer Reviews
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Honda S660 engines through EngineMarket.
Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Pete
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
Sophie
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
- Jimmy, London
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Not sure which variant your Honda S660 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Every engine code fitted to the Honda S660 across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Extracted from detailed petrol and performance engine families across Honda S660 variants.
Extracted from detailed petrol and performance engine families across Honda S660 variants.
Can't find your engine code- Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Honda S660 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
The Honda S660's sole S07A 660cc turbo petrol engine is generally robust but known for turbo wastegate rattle, timing chain tensioner wear, and oil consumption on...
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
Why S07A Boost Performance Fails Prematurely
Production Years: 2015 - 2022
Engine: S07A
Typical failure window
The S07A's small turbocharger wastegate actuator can develop play over time, causing rattling noises and inconsistent boost pressure, particularly on JDM imports subjected to UK fuel quality variations.
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Wastegate Actuator Replacement Minor | £850 - £1,400 | £550 - £950 | Replace wastegate actuator and linkage, recalibrate boost control | Viable if caught early before turbo damage; 20k-40k mile extension |
Intermediate - Turbo Rebuild Kit Intermediate | £1,450 - £2,200 | £950 - £1,550 | Full turbocharger rebuild with new wastegate, bearings, seals | Addresses root cause; suitable for moderate wear scenarios |
Full Replacement - Rebuilt S07A Engine Best Value | £3,850 - £5,200 | £2,850 - £3,950 | Complete rebuilt S07A with upgraded turbo components, bench-tested, supply & fit available | Comprehensive solution; recommended for high-mileage or catastrophic turbo failure |
For S07A wastegate rattle under 60k miles, a specialist turbo rebuild often offers the best value. If the engine has high mileage or shows additional wear signs, a full rebuilt S07A with upgraded turbo components provides longer-term peace of mind for your JDM import.
The Honda S660's unique S07A 660cc turbo engine requires specialist JDM knowledge for diagnosis and replacement. EngineMarket connects you with UK specialists experienced in mid-engine kei car imports, offering rebuilt S07A engines with upgraded components, 12-month warranties, and nationwide supply & fit. Compare prices from trusted JDM-aware suppliers and keep your rare sports roadster on the road without main dealer premiums.
Compare Honda S660 Engine Replacement Prices Now →Every S07A 660cc turbo engine type is available through our UK JDM specialist network with typical price ranges based on variant, condition and import sourcing.
Complete S07A engine replacement service including mid-engine installation by UK JDM-specialist garages experienced with Honda S660 kei car layout.
Every displacement fitted to the Honda S660 is listed below, with compatible engine codes, production years and common failure notes for JDM import kei car owners.
The S660 was exclusively offered with Honda's S07A 0.66L turbocharged petrol engine across all UK-imported examples (2015-2022), designed specifically for Japanese kei car regulations and featuring VTEC, mid-engine layout and RWD for sports roadster dynamics.
| ENGINE CODE(S) | S07A |
| COMPATIBLE MODELS (UK) | α (2015-2017), β (2015-2017), Modulo X (2019-2022), Modulo X Version Z (2020-2022), Concept Edition |
| PRODUCTION YEARS | 2021-2022 |
Turbo wastegate rattle, timing chain tensioner wear, oil consumption on high-mileage JDM imports
Not sure which engine size your Honda S660 needs- Enter your registration number above - we'll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty from UK Honda S660 specialists.
Fuel Type
Choose your Honda S660 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from entry-level α to the flagship Modulo X Version Z.
The Honda S660 was exclusively offered with the S07A 0.66L turbocharged petrol engine across all UK-imported examples (2015-2022), making petrol the sole fuel type for this JDM kei sports roadster.
Not sure which fuel type your Honda S660 has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12-month unlimited mileage warranty from UK Honda S660 specialists.
This section covers all major engine changes across the Honda S660's production timeline (2015-2022), organised so JDM import owners can quickly identify their S07A engine and compare rebuilt prices from UK specialists.
Honda S660 S07A engine replacement costs typically range from £1,450 for used JDM imports to £3,950 for fully rebuilt units with warranty, depending on variant, mileage and sourcing method.
The S07A is the only engine code fitted to the Honda S660 across all variants and years, making reliability dependent on maintenance history and mileage rather than code variation.
Your Honda S660's engine code S07A is stamped on the engine block near the transmission bellhousing and can also be verified via Japanese export documentation or DVLA records for registered imports.
Rebuilt S07A engines receive full disassembly, machining and upgraded components with comprehensive warranty, while reconditioned units undergo targeted repairs to address specific faults at lower cost.
Honda S660 S07A engine replacement typically takes 2-4 weeks for rebuilt units including JDM parts sourcing, or 5-10 days for UK-stock used engines, plus 1-2 days for mid-engine installation.
Yes, all Honda S660 S07A engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty from UK JDM specialists, with extended options available for collector variants.
No, the S07A engine is exclusive to the Honda S660's mid-engine RWD layout and cannot be interchanged with N-Box or other kei car engines designed for front-engine FWD platforms.
Common S07A failure causes in UK-imported S660s include turbo wastegate rattle (40k-70k miles), timing chain tensioner wear (60k-90k miles), and oil consumption from piston ring wear on high-mileage examples.
Yes, given the S660's collector status and limited production, replacing the S07A engine with a rebuilt unit typically preserves significant vehicle value compared to scrapping, especially for Modulo X and Version Z variants.
EngineMarket's network includes UK garages experienced with JDM import vehicles and mid-engine kei car layouts; enter your postcode above to find accredited S660 specialists near you.
Why Choose Us
Join thousands of UK drivers who compare Honda S660 engine prices through our network of trusted specialists - every rebuilt and reconditioned unit backed by a minimum 12-month unlimited mileage warranty and nationwide delivery.
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UK Engine Replacement Services for Honda S660
Covering all variants from α to Modulo X Version Z, with supply-only or full supply & fit available nationwide for JDM imports.

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