fits model: Mx-5, Miata. year: 1990–1993.



| Brand | MAZDA |
|---|---|
| Model | MIATA |
| Part Type | UNIT |
| Conditions Options | A, POWER TRAIN UNIT |
| Genuine Oem | YES |
| Ipn | 699.MZ1O91 |
| Year | 1991 |
| Manufacturer Warranty | 60 DAY |
The Mazda MX-5 Miata (1990-1993) is a iconic two-seat roadster renowned for its agile handling and lively engine response. The Power Train Unit (PTU), specifically model number MZ1 O91, is a crucial component of this Sport Academy award-winning vehicle's drivetrain.
The MZ1 O91 Power Train Unit consists of the engine, transmission, and differential. At its heart is a 1.6-liter DOHC (Double Overhead Camshaft) 16-valve inline-four-cylinder engine, which generates a powerful 116 horsepower at 6,600 rpm and 110 lb-ft of torque at 5,800 rpm. This naturally-aspirated engine has a unique rectangular intake manifold, twin-plug ignition system, and variables valve timing to ensure optimal fuel efficiency and performance.
The engine is mated to a five-speed manual transmission with a final drive ratio of 3.541:1. Classic feel and driver engagement in mind, this gearbox has a short-throw shifter that is smooth and precise. The clutch system is hydraulic, allowing for an easy and direct connection between the engine and transmission.
The differential in the MZ1 O91 Power Train Unit is a limited-slip type. This design helps to distribute torque efficiently to both wheels during cornering, ensuring optimal grip and reduced wheel spin. As a result, the MX-5 maintains its composure even when pushed to the limits.
Furthermore, the powertrain is fitted with a high-performance aluminum crankshaft, forged pistons, and a one-piece steel flywheel to reduce weight and increase overall power output while also improving engine responsiveness. A nod to Mazda's commitment to achieving a fine balance of power, efficiency, and driving enjoyment.
Designed with a compact and lightweight footprint in mind, this Power Train Unit contributes significantly to the Mazda MX-5's spirited handling and agile performance. Enthusiasts and collectors alike admire this component for its ability to offer an incredibly engaging and enjoyable driving experience.
The Mazda MX-5 Miata is a popular and iconic sports car known for its agile handling and affordable price point. While you specifically mentioned the powertrain unit of a Mazda MX-5 Miata with the engine code 6A-1 / 6A-11, which was used in the MX-5 Miata models from 1990 to 1993, I'll do my best to provide a helpful analysis of the pros and cons of buying a used Mazda MX-5 Miata with this powertrain, without the use of emojis or tables.
Pros:1. Fun and agile handling: The Mazda MX-5 Miata is famous for its nimble and responsive handling, making it an enjoyable driving experience for many enthusiasts.
2. Affordability: Compared to other sports cars, the Mazda MX-5 Miata is relatively affordable, making it an accessible option for those on a budget.
3. Reliability: Mazda vehicles are known for their reliability, and the MX-5 Miata is no exception. The 6A-1 engine is a robust and well-engineered powertrain that is known to last if properly maintained.
4. Twin-cam engine: The 6A-1 engine is a twin-cam layout, which allows for better engine response and power than a single-cam engine.
5. Lightweight: The MX-5 Miata is a lightweight car, which contributes to its agile handling and very enjoyable driving experience.
Cons:1. Limited power: With only 116 hp and 105 lb-ft of torque, the 6A-1 engine in the Miata isn't the most powerful engine out there, which might not be satisfying for some buyers. Therefore, if you're looking for more power, you might want to consider other options.
2. Age and wear: Since we're discussing used Miata models from 1990 to 1993, it's important to keep in mind that these cars have aged and may require maintenance and repair work, which could add to the overall cost of ownership.
3. Maintenance: As with any older car, it's essential to be prepared for the regular maintenance that will be required, such as oil changes, air filter replacements, and brake pad changes.
4. Limited space: The MX-5 Miata is a two-seater and its trunk is quite small, which could make it less suitable for families or those with larger cargo needs.
5. Noisy engine: The 6A-1 engine in the Miata can be somewhat noisy, especially at higher RPMs, which might be a turnoff for some buyers.
In conclusion, the Mazda MX-5 Miata with the 6A-1 engine offers an enjoyable driving experience with its fun handling and affordability. However, buyers should keep in mind that these older models have aged and may require more maintenance work. Additionally, while the engine is robust and reliable, it isn't the most powerful option, and its limited interior space might not be suitable for everyone.
Recommendation:If you're considering buying a Mazda MX-5 Miata with the 6A-1 engine, it's important to do your due diligence and thoroughly inspect the car, paying close attention to its overall condition and any potential issues. A pre-purchase inspection by a qualified mechanic could be beneficial. Additionally, setting a budget for ongoing maintenance costs would be wise. Considering the pros and cons, if you're looking for an affordable, fun-to-drive, and reliable two-seater sports car, the Mazda MX-5 Miata with the 6A-1 engine could be a great option for you. However, if you're after more power or need additional space, you might want to explore other models or consider upgrading to a newer Miata with a more powerful engine.
195000 not available or unknown.
