Honda E07Z

0.66 L (656 cc) · Inline-3, SOHC, 12-valve with PGM-FI (programmed fuel injection) and lean-burn technology · Petrol — PGM-FI (fuel injection, all E07Z variants)

Found in Honda Acty HA6 , Honda Acty HA7 , Honda Acty HA8 , Honda Acty HA9 , Honda Acty HH5 and Honda Acty HH6 — here is what to expect from the Honda E07Z on reliability, running costs, and what to check before you buy.

Information for guidance only — verify with official sources. Last reviewed 2026-06-13. Data verification status: Verified

Displacement	0.66 L (656 cc)
Configuration	Inline-3, SOHC, 12-valve with PGM-FI (programmed fuel injection) and lean-burn technology
Aspiration	Naturally aspirated. No factory turbocharged variant in the Acty truck.
Power	45 PS (utility spec) — 53 PS @ 7,000 rpm (higher-output spec)
Torque	61 Nm (45 lb-ft) @ 4,000 rpm
Timing	Timing chain — no belt replacement interval. Same advantage as the K6A: chain-driven cam means no scheduled belt service.
Fuel	Petrol — PGM-FI (fuel injection, all E07Z variants)
Reliability rating	Excellent
Ownership difficulty	Moderate
Parts availability	Good

Overview

The E07Z is the engine in the third and fourth generation Honda Acty — one of the longest-running kei truck engines ever produced, staying in production from 1999 right through to the Acty's final year in 2021. It introduced PGM-FI fuel injection and lean-burn technology to the Acty lineup, giving it better efficiency and emissions compliance than its predecessor while retaining the timing chain design. The defining characteristic of the E07Z is not what it is — it is where it lives: mid-mounted, behind the cab, ahead of the rear axle. That layout gives the Acty uniquely good weight distribution and handling balance compared to the front-engine Suzuki Carry, but it makes routine maintenance access noticeably more involved. The engine is robust and proven, but working on it requires more patience than the Carry.

Strengths

Timing chain — no belt replacement interval
Extremely long production run (1999–2021) proves real-world durability
PGM-FI injection standard on all variants — no carb to tune or clean
Mid-engine layout gives excellent weight distribution and handling balance
Deep Honda parts support — engine used across multiple kei models

Weaknesses

Mid-engine placement makes maintenance access significantly more difficult than front-engine designs
Oil changes and basic service require more effort and time than on the Suzuki Carry K6A
Slightly less power than the R06A; broadly similar to the K6A
Parts sourcing in the US/EU can be harder than Suzuki K6A parts — fewer specialist stockists

Common issues

Issue	Severity	Notes
Oil leaks — valve cover gasket	minor	Common on higher-mileage examples. The mid-engine location means oil leaks can go unnoticed longer — check the underside and around the valve cover regularly. Valve cover gasket replacement is straightforward but requires more access work than on a front-engine truck.
Difficult maintenance access	minor	Not a fault — a design characteristic. The mid-engine layout means oil changes, spark plug access, and belt/hose inspections require more patience than on the Suzuki Carry. Factor this into your ownership plan: simple jobs take longer, and a mechanic unfamiliar with mid-engine kei trucks may charge more time. Owner forums consistently flag this as the main ownership friction point.
Ignition coil / distributor wear	minor	Owner-reported pattern on higher-mileage examples: rough idle or misfire tracing to a worn ignition coil or distributor cap. Routine replacement of spark plugs, cap, and rotor at the correct interval prevents most of these issues.
Coolant hose deterioration	moderate	On any example over 15 years old, the coolant hoses should be inspected and proactively replaced if stiff, cracked, or soft. The mid-engine location means a burst hose is harder to spot before it causes a problem. Replace all hoses on arrival if the history is unknown.

Parts & servicing

The E07Z was used across Honda Acty (HA6–HA9, HH5/6), Honda Life (JB1/JB2), Honda Vamos (HM1–HM4), Honda That's (JD1/JD2), and Honda Z (PA1) — a wide parts base. Yokohama Motors, saxajdmparts, and rightdriveparts.com stock E07Z parts. Remanufactured complete engines are available from Yokohama Motors for high-mileage rebuilds.

How it compares

Compared to the Suzuki K6A (Carry): the E07Z matches the K6A closely on reliability and both use timing chains. The key difference is layout — the K6A sits under the Carry cab in a conventional front-engine position, making it easy to access; the E07Z is mid-mounted in the Acty, complicating service but improving handling. For a buyer who will do their own maintenance, the K6A is easier to work on. For a buyer who wants the best handling kei truck and is comfortable paying a mechanic, the E07Z delivers. Compared to the F6A (older Carry): the E07Z is unambiguously more modern — fuel injection, timing chain, no valve clearance service interval. Compared to the R06A (modern Carry): broadly similar in approach but from different eras; the R06A has VVT, the E07Z does not — the E07Z's simpler design is arguably more forgiving at high mileage.

Models using the Honda E07Z

Model

HondaActyHH6

Known problems to check for

Maintenance Schedule

Verified service intervals and part numbers for the Honda E07Z. Items marked ⚠ Pending require part number confirmation before ordering.

Item	Spec	Interval	Part number	Notes
Engine oil	5W-30 or 10W-30 Honda specified TODO-VERIFY exact capacity	3,000–5,000 km or every 3–6 months	—	Mid-engine location means oil changes take more time than on the Carry. Budget extra time or mechanic cost. Never skip — timing chain longevity depends on clean oil.
Oil filter	Honda E07Z specific	Every oil change	⚠ Pending verification	Verify correct Honda filter for HA6–HA9 / HH5–HH6. Do not substitute K6A filter — different engine family.
Spark plugs	NGK — verify exact part for E07Z	20,000 km	TODO-VERIFY — NGK confirmed brand; exact part number varies by model year	Qty 3. Mid-engine access makes plug changes more involved — allow extra time. Check rightdriveparts.com or saxajdmparts for E07Z-specific plug kits.
Air filter	Honda Acty HA6–HA9 specific	20,000 km — sooner in dusty use	⚠ Pending verification	Filter housing is accessible but in the mid-engine compartment. Inspect at every other oil change.
Coolant hoses	Inspect all hoses	Inspect at every service; replace proactively on any example over 15 years old	—	Mid-engine location means a burst hose is harder to spot. Replace all on arrival if history unknown.
Coolant	Honda Long Life Coolant or OAT equivalent TODO-VERIFY	5 years or 100,000 km	—	Do not mix Honda blue/green LLC with generic green coolant.
Distributor cap + rotor	Honda Acty E07Z specific	Every 40,000 km or at first sign of rough idle / misfire	⚠ Pending verification	The E07Z uses a distributor ignition system. Cap and rotor wear is a common source of rough idle on higher-mileage examples. Replace as a set.

Intervals are for normal use. Shorten oil changes to 3,000 km for heavy hauling, dusty farm use, or frequent short trips. Always verify part numbers with your supplier before ordering.

See how the E07Z compares to the Suzuki K6A →

Measurements