Mercury Racing 500R - Fuel and Oil; Fuel Requirements

Attribute 500R
Full throttle RPM range 6000–6600
Idle RPM in neutral gear* 600
Idle charge compensation** 600–725
Troll control RPM limit 600–1200
Number of cylinders 8
Displacement
4.6 Liter
4,576 cc (279.2 cid)
Cylinder bore 92 mm (3.62 in.)
Stroke 86 mm (3.38 in.)
Spark plug 8M0135348
Spark plug gap 0.9 mm (0.035 in.)
Spark plug hex size 14 mm
Spark plug torque 20 Nm (15 lb‑ft)
R‑Drive Sport gear ratio 1.60:1
R‑Drive gear ratio 1.60:1
Gearcase
capacity
R‑Drive Sport
(RH)
820 mL (27.7 fl oz)
R‑Drive Sport
(LH)
820 mL (27.7 fl oz)
R‑Drive (RH) 820 mL (27.7 fl oz)
R‑Drive (LH) 820 mL (27.7 fl oz)
Recommended gasoline
89 (R+M)/2 or 95 RON minimum, 10%
maximum ethanol content
Refer to Fuel Requirements for more
information.
Recommended oil
Mercury Racing 10W‑30 MRX Full Synthetic
Oil (for best performance)
Mercury Racing 25W‑50 NMMA certified
FC‑W® Marine Synthetic Blend Marine
Engine Oil (if Mercury Racing 10W‑30 MRX
Full Synthetic Oil is not available)
Engine oil capacity with oil
filter replacement
6.6 Liter (7.0 US qt)
Required battery type 12‑volt absorbed glass mat (AGM) battery
Battery
type***
USA (SAE)
Refer to Engine Battery Specifications
International
(EN)
Refer to Engine Battery Specifications
GENERAL INFORMATION
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