IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM)

Application

Man. Trans.

⁽¹⁾ Auto. Trans.

B2200

Carbureted

6 @ 825

PFI ⁽²⁾

6 @ 750

6 @ 770

B2600i ⁽²⁾

5 @ 750

5 @ 770

Miata ⁽³⁾

10 @ 850

8 @ 850

MPV

2.6L ⁽²⁾

N/A

5 @ 770

3.0L ⁽²⁾

N/A

11 @ 800

MX-3

1.6L ⁽³⁾

10 @ 750

1.8L ⁽³⁾

10 @ 670

MX-6 & 626

2.0L ⁽³⁾

12 @ 700

2.5L ⁽³⁾

10 @ 650

Navajo

⁽⁴⁾

Protege

DOHC ⁽³⁾

10 @ 750

SOHC ⁽³⁾

5 @ 750

⁽⁵⁾ RX7

Leading ⁽³⁾

⁽⁶⁾ 5 @ 725

Trailing ⁽³⁾

⁽⁶⁾ 20 @ 725

323 ⁽³⁾

7 @ 750

929 ⁽³⁾

N/A

12 @ 700

⁽¹⁾	Place automatic transmission in Park.

⁽²⁾	Connect jumper wire between Green test connector and ground.

⁽³⁾	Connect jumper wire between terminals TEN and GRN of diagnostic connector.

⁽⁴⁾	Base (initial) timing is preset at 10 degrees BTDC and is not adjustable. To check timing, see appropriate ADJUSTMENTS article.

⁽⁵⁾	See Fig 1. \

⁽⁶⁾	Timing specification is AFTER TDC and is not adjustable.

Fig 1: Identifying Leading & Trailing Timing Marks (RX7)

Courtesy of MAZDA MOTORS CORP.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Ignition Timing

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?