2206-042A IDEMITSU Premix Rotary Engine Repu Cosmo R100

Review IDEMITSU Premix Rotary Engine Quart For Rx7 Rx8 Rx2 Rx3 Rx4 Repu Cosmo for R100

The Idemitsu 2206-042A Premix Rotary Engine is a high-performance replacement option for various rotary-engined vehicles, including the Mazda RX-7, RX-8, RX-2, RX-3, RX-4, and Mazda R100 Cosmo. This engine is manufactured by Idemitsu, a renowned Japanese engine manufacturer known for its commitment to producing top-tier automotive components.

This Idemitsu Premix Rotary Engine is a Wankel design, featuring a unique rotor shape that eliminates the need for a conventional piston and crankshaft. Instead, the rotor itself acts as both the piston and the crankshaft, resulting in a more compact and lighter engine design. The engine is a four-stroke, twin-rotor design, capable of delivering impressive power output while maintaining excellent fuel efficiency.

The engine is a premix type, meaning that the fuel and air are mixed before entering the combustion chamber. This design is beneficial for rotary engines as it helps to ensure a more even fuel-air mixture, leading to better combustion efficiency and improved engine performance.

* Forged crankshaft and connecting rods for increased strength and durability

* High-performance pistons designed for optimal combustion efficiency

* High-flow intake and exhaust ports for improved breathing and power output

* High-quality bearings to ensure smooth and reliable operation

* Precision-machined components for optimal fit and function

The engine is designed to be a direct replacement for the stock rotary engine in the aforementioned vehicles, making installation straightforward and hassle-free. However, it is recommended that the engine is installed by a professional mechanic to ensure proper installation and tuning.

In summary, the Idemitsu 2206-042A Premix Rotary Engine is a high-performance replacement option for various rotary-engined vehicles, featuring a unique Wankel design, forged crankshaft and connecting rods, high-performance pistons, and precision-machined components. Its premix design ensures optimal fuel-air mixture for improved combustion efficiency and power output. This engine is an excellent choice for those looking to enhance the performance of their rotary-engined vehicle.

Pros and Cons of Buying Idemitsu 2206-042A Premix Rotary Engine for RX7, RX8, RX2, RX3, RX4, REPU, R100, and Cosmo

a. Compatibility: This engine is compatible with several Mazda models, including the RX7, RX8, RX2, RX3, RX4, REPU, R100, and Cosmo.

b. Premix Design: The premix design eliminates the need for a separate fuel injection system, making installation easier and reducing overall complexity.

c. Cost-Effective: Compared to rebuilding or completely replacing a damaged rotary engine, purchasing a new premix rotary engine like the Idemitsu 2206-042A can save significant time and money.

d. Reliability: Idemitsu is a well-known Japanese manufacturer with a strong reputation for producing high-quality engine components.

a. Limited Availability: Idemitsu 2206-042A may not be readily available at local parts stores or from every online retailer.

b. Import Considerations: If you're located outside of Japan, there may be additional costs and complexities involved with importing the engine.

c. Performance Limitations: The Idemitsu 2206-042A is not designed to provide significant performance upgrades. It is mainly intended for replacement and reliability purposes.

The Idemitsu 2206-042A premix rotary engine is a cost-effective and reliable solution for owners of Mazda RX7, RX8, RX2, RX3, RX4, REPU, R100, and Cosmo models who require a replacement engine. Its compatibility with these vehicles, premix design, and reliability from a reputable manufacturer make it an attractive option for those looking to save time and money. However, its limited availability and performance limitations should be considered before making a purchase.

If you're in need of a replacement engine for your Mazda RX7, RX8, RX2, RX3, RX4, REPU, R100, or Cosmo and want a cost-effective and reliable solution, the Idemitsu 2206-042A premix rotary engine is worth considering. However, it is recommended to ensure availability and importation costs, if applicable, before making a purchase.

Details:

Idemitsu premix rotary engine 5-quarts for rx7 rx8 rx2 rx3 rx4 repu R100 cosmo this listing contains: quantity 5 quarts - 2206-042A item details part type condition manufacturer number pre-mix oil brand new 2206-042A, 5-quarts.

specifications oilpanpete:

• for models: R100
• brand: Idemitsu
• mpn: 2206-042a
• units per package: 5 Quarts
• type: Premix
• volume: 1qt.
• bundle listing: Yes
• application: Rotary Engine
• country of origin: United States

general oilpanpete:

• category: Auto Parts > Car Truck Accessories > Engines > Oil Pans

seller oilpanpete:

• rating: 98.0%
• city: north hollywood, california
• # reviews: 111605

returns oilpanpete:

• time: 60 days
• paid by: seller
• policy: returns accepted

offer oilpanpete:

• availability: in stock
• started: march 15, 2026
• prices: $37.10–$68.37
• item condition: New
• in stock #: 5
• options: ship-to-home
• sold #: 10

payments oilpanpete:

• other
• wallet: paypal
• credit card: visa

shipping oilpanpete:

• class: expedited, standard
• service: expedited, usps priority mail, usps ground advantage
• type: fixed
• carrier: usps
• transit: 4-8 days