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Home >> Mazda >> 1993 >> 929 >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternator & Regulator >> Adjustments >> Belt Deflection

Belt Deflection

Measure belt deflection in center of longest pulley-to-pulley span. See BELT DEFLECTION SPECIFICATIONS table. If belt deflection is not as specified, adjust as necessary.

BELT DEFLECTION SPECIFICATIONS

Application (1) Deflection - In. (mm)
B2200
New Belt 0.28-0.31 (7.0-8.0)
Used Belt 0.31-0.35 (8.0-9.0)
B2600i
New Belt 0.39-0.47 (10.0-12.0)
Used Belt 0.43-0.51 (11.0-13.0)
Miata
New Belt 0.31-0.35 (8.0-9.0)
Used Belt 0.35-0.39 (9.0-10.0)
MPV
4-Cylinder
New Belt 0.39-0.47 (10.0-12.0)
Used Belt 0.43-0.57 (11.0-13.0)
V6
New Belt 0.35-0.39 (9.0-10.0)
Used Belt 0.39-0.47 (10.0-12.0)
MX-3
4-Cylinder
New Belt 0.22-0.28 (5.5-7.0)
Used Belt 0.24-0.30 (6.0-7.5)
V6
With A/C
New Belt 0.22-0.26 (5.5-6.5)
Used Belt 0.26-0.30 (6.5-7.5)
Without A/C
New Belt 0.24-0.28 (6.0-7.0)
Used Belt 0.28-0.31 (7.0-8.0)
MX-6 & 626
4-Cylinder
New Belt 0.26-0.28 (6.5-7.0)
Used Belt 0.28-0.35 (7.0-9.0)
V6
With A/C
New Belt 0.22-0.26 (5.5-6.5)
Used Belt 0.26-0.30 (6.5-7.5)
Without A/C
New Belt 0.24-0.28 (6.0-7.0)
Used Belt 0.28-0.31 (7.0-8.0)
Protege & 323
New Belt 0.31-0.35 (8.0-9.0)
Used Belt 0.35-0.39 (9.0-10.0)
RX7
New Belt 0.24-0.31 (6.0-8.0)
Used Belt 0.28-0.35 (7.0-9.0)
929
New Belt 0.39-0.47 (10.0-12.0)
Used Belt 0.43-0.51 (11.0-13.0)
(1) With 22 lbs. (10 kg) applied to belt.