The 2.5-liter V6 Honda J25A engine was produced at the American plant from 1998 to 2003 and was installed only on the popular third-generation Inspire model or its counterpart Saber. This motor is considered the rarest in the extensive family of J-series V-shaped motors.
J-series family: J25A, J30A, J35A, J37A, J35Z, J35Y, J32A, J30Y, JNA1.
Specifications
| Production years | 1998-2003 |
| Displacement, cc | 2495 |
| Fuel system | injector |
| Power output, hp | 200 |
| Torque output, Nm | 240 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 71.6 |
| Compression ratio | 10.5 |
| Features | SOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | VTEC |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.4 |
| Fuel type | petrol |
| Euro standards | EURO 2/3 |
| Fuel consumption, L/100 km (for Honda Saber 1999) — city — highway — combined |
12.7 7.9 9.8 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 170 |
The engine was installed on:
- Acura TL 2 (UA4) in 1998 – 2003;
- Honda Inspire 3 (UA4) in 1998 – 2003;
- Honda Saber 2 (UA4) in 1998 – 2003.
Disadvantages of the Honda J25A engine
- This particular motor is rare, but the whole series is famous for its reliability;
- Keep an eye on the oil level, when it falls, the camshafts wear out quickly;
- Due to contamination of the throttle valve, engine speed often floats here;
- The timing belt serves about 100 thousand km, and when it breaks the valve bends 100%;
- Valve clearances require adjustment every 50,000 km, there are no hydraulic lifters.
Frequently asked questions about the Honda J25A
How much power does the Honda J25A make?
The Honda J25A develops 200 hp and 240 Nm of torque.
How much oil does the Honda J25A take and which one?
Engine oil capacity: 4.4 liters. Recommended oil: 5W-30.
Does the Honda J25A have a timing belt or chain?
The Honda J25A uses a timing belt.
Is the Honda J25A turbocharged?
No, the Honda J25A is naturally aspirated.
Does the Honda J25A need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Honda J25A last?
The typical lifespan of the Honda J25A is ~350 000 km with proper maintenance.
What is the fuel consumption of the Honda J25A?
Honda Saber 1999: city 12.7, highway 7.9, combined 9.8 L/100 km.
What cars was the Honda J25A installed on?
Acura TL 2 (UA4) in 1998 - 2003; Honda Inspire 3 (UA4) in 1998 - 2003; Honda Saber 2 (UA4) in 1998 - 2003.
What are the common problems of the Honda J25A?
This particular motor is rare, but the whole series is famous for its reliability. Keep an eye on the oil level, when it falls, the camshafts wear out quickly. All known problems.





