1986 Mazda RX-7 Oil Capacity, Types, & Filters
Your ultimate DIY maintenance guide for the 1986 Mazda RX-7 oil change is here! No more searching – find all the critical oil specs for your 1986 Mazda RX-7, including exact engine oil capacity, the manufacturer recommended oil viscosity and type, and the correct OEM and aftermarket oil filters.
We cover all available engine options categorized by their specific engine codes, ensuring you get pinpoint accuracy for your specific vehicle configuration. Keep reading to discover everything required for a successful 1986 Mazda RX-7 oil change!
Scroll Table ➜
| Engine & Code | Oil Capacity | Oil Viscosity/Type | Oil Filter |
|---|---|---|---|
| 1.3L 2-cylinder 1308cc 4 | N/A | N/A | Mazda B6Y1-14-302A |
| 1.3L 2-cylinder 13B 1 | 5 quarts (with filter) | SAE 10W-30 (-23 To 30°C) SAE 10W-40, SAE 10W-50 (Above -23°C) SAE 20W-40, SAE 20W-50 (Above -9°C) SAE 5W-30 (Below 0°C) | Mazda B6Y1-14-302A |
| 1.3L 2-cylinder 13B 2 Turbo | 5 quarts (with filter) | SAE 10W-30 (-23 To 30°C) SAE 10W-40, SAE 10W-50 (Above -23°C) SAE 20W-40, SAE 20W-50 (Above -9°C) SAE 5W-30 (Below 0°C) | Mazda B6Y1-14-302A |
Select Your 1986 Mazda RX-7 Engine Option
1.3L 2-cylinder Engine Code 1308cc 4
Engine:
1.3L 2-cylinder 1308cc 4 [aka 1.3L R2 (Gas)]
Body & Trims:
Base, GXL, Turbo
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
OEM Oil Filter:
Oil Filter Replaces:
B631-14-302, B631-14-302A, B6Y1-14-302, B6Y1-14-302-9A, B6Y1-14-302A-CA, FE3R-14-302, N350-14-302
1986 Mazda RX-7 1.3L 2-cylinder 1308cc 4 oil change details
Oil Grade:
N/A
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
Oil Drain Plug Torque:
N/A
Notes:
N/A
1.3L 2-cylinder Engine Code 13B 1
Engine:
1.3L 2-cylinder 13B 1 [aka 1.3L R2 (Gas)]
Body & Trims:
Base, GXL, Turbo
Oil Capacity:
5 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (-23 To 30°C)
SAE 10W-40, SAE 10W-50 (Above -23°C)
SAE 20W-40, SAE 20W-50 (Above -9°C)
SAE 5W-30 (Below 0°C)
OEM Oil Filter:
Oil Filter Replaces:
B631-14-302, B631-14-302A, B6Y1-14-302, B6Y1-14-302-9A, B6Y1-14-302A-CA, FE3R-14-302, N350-14-302
1986 Mazda RX-7 1.3L 2-cylinder 13B 1 oil change details
Oil Grade:
SL
Oil Capacity:
5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Oil Viscosity/Type:
SAE 10W-30 (-23 To 30°C)
SAE 10W-40, SAE 10W-50 (Above -23°C)
SAE 20W-40, SAE 20W-50 (Above -9°C)
SAE 5W-30 (Below 0°C)
Oil Drain Plug Torque:
22-30 ft/lbs (Oil Drain Plug)
Notes:
Do not use synthetic or semi-synthetic motor oil. Using these types of oil could make it more difficult for your engine to start.
1.3L 2-cylinder Engine Code 13B 2 Turbo
Engine:
1.3L 2-cylinder 13B 2 Turbo [aka 1.3L R2 (Gas)]
Body & Trims:
Base, GXL, Turbo
Oil Capacity:
5 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (-23 To 30°C)
SAE 10W-40, SAE 10W-50 (Above -23°C)
SAE 20W-40, SAE 20W-50 (Above -9°C)
SAE 5W-30 (Below 0°C)
OEM Oil Filter:
Oil Filter Replaces:
B631-14-302, B631-14-302A, B6Y1-14-302, B6Y1-14-302-9A, B6Y1-14-302A-CA, FE3R-14-302, N350-14-302
1986 Mazda RX-7 1.3L 2-cylinder 13B 2 Turbo oil change details
Oil Grade:
SL
Oil Capacity:
5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Oil Viscosity/Type:
SAE 10W-30 (-23 To 30°C)
SAE 10W-40, SAE 10W-50 (Above -23°C)
SAE 20W-40, SAE 20W-50 (Above -9°C)
SAE 5W-30 (Below 0°C)
Oil Drain Plug Torque:
N/A
Notes:
Do not use synthetic or semi-synthetic motor oil. Using these types of oil could make it more difficult for your engine to start.
People also ask – 1986 Mazda RX-7
What is the oil capacity of a 1986 Mazda RX-7?
Depending on the specific engine option, the 1986 Mazda RX-7 oil capacity ranges from 5 to 5 quarts. Here is the exact oil capacity breakdown for each available engine configuration:
• 1.3L 2-cylinder (1308cc 4): Check Owner's Manual
• 1.3L 2-cylinder (13B 1): 5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
• 1.3L 2-cylinder (13B 2 Turbo): 5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Always check your dipstick after refilling to ensure the proper level.
What type of oil does a 1986 Mazda RX-7 use?
Across its 3 available engine configurations, the 1986 Mazda RX-7 uses the following motor oil viscosities: SAE 10W-30 (-23 To 30°C)SAE 10W-40, SAE 10W-50 (Above -23°C)SAE 20W-40, SAE 20W-50 (Above -9°C)SAE 5W-30 (Below 0°C). Using the correct manufacturer-approved oil weight is crucial for engine health. Here are the specific oil type requirements by engine:
• 1.3L 2-cylinder (1308cc 4):Grade: OEM Standard
See Cap or Owner's Manual
• 1.3L 2-cylinder (13B 1):
Grade: SL
SAE 10W-30 (-23 To 30°C)
SAE 10W-40, SAE 10W-50 (Above -23°C)
SAE 20W-40, SAE 20W-50 (Above -9°C)
SAE 5W-30 (Below 0°C)
• 1.3L 2-cylinder (13B 2 Turbo):
Grade: SL
SAE 10W-30 (-23 To 30°C)
SAE 10W-40, SAE 10W-50 (Above -23°C)
SAE 20W-40, SAE 20W-50 (Above -9°C)
SAE 5W-30 (Below 0°C)
What is the best oil filter for the 1986 Mazda RX-7?
The proper oil filter depends on your exact engine code. The 1986 Mazda RX-7 utilizes the following premium aftermarket Wix oil filters across its lineup: 51356-EA. Here is the specific OEM and aftermarket filter data for each engine:
• 1.3L 2-cylinder (1308cc 4):OEM Filter: Mazda B6Y1-14-302A
Wix Filter: 51356-EA
• 1.3L 2-cylinder (13B 1):
OEM Filter: Mazda B6Y1-14-302A
Wix Filter: 51356-EA
• 1.3L 2-cylinder (13B 2 Turbo):
OEM Filter: Mazda B6Y1-14-302A
Wix Filter: 51356-EA
How often should I change the oil in my 1986 Mazda RX-7?
For modern models running full synthetic oil, oil change intervals are typically every 7,500 to 10,000 miles. However, for older Mazda RX-7 generations (1985-2010) or those using conventional/synthetic-blend fluid, changing the oil and filter every 3,000 to 5,000 miles is highly recommended to prevent sludge buildup. Regardless of engine (1.3L 2-cylinder), you should change your oil at least once a year even if you don’t reach the mileage limit.