BRP E 250 L HO AG B, Service Manual

Page: 153 / 460

153
Fuel System
Fuel System Requirements
7
Fuel System Requirements
Regulations and Guidelines
Vessel manufacturer, and/or installer of an EPA
certified outboard, must meet minimum specifica-
tions for boat fuel systems established by:
•
U.S. Environmental Protection Agency (EPA)
– 40 CFR 1045.112
– 40 CFR 1060
•
U.S. Coast Guard (USCG)
– 33 CFR 183
•
American Boat & Yacht Council (ABYC)
– Standard H-24
– Standard H-25.
Permanent Fuel Tanks
Permanent fuel tanks must be properly vented
outside of the hull.
Remote fuel tank gas fills must be grounded.
Fuel tank pickups should include an anti-siphon
valve to prevent fuel flow if a leak occurs in the
fuel distribution system.
Portable Fuel Tanks
Fuel Flow Requirements
NOTICE
Do not use portable fuel tanks for outboards
larger than 115 HP. Inadequate fuel flow to
high horsepower outboards can result in
serious powerhead damage.
200 – 300 HP
Fuel tank pickup
tube; minimum I.D. 3/8 in. (9.5 mm)
Fuel fittings;
minimum I.D. 9/32 in. (7.1 mm)
Fuel supply hoses;
minimum I.D. 3/8 in. (9.5 mm)
Fuel tank pickup
screen 100 mesh, 304 grade
stainless steel wire,
0.0045 in. wire diame-
ter, 1 in. (25 mm) long
Antisiphon valve 2.5 in. (63.5 mm) Hg
maximum pressure drop
at 30 gph (114 l/hr) flow
Remote fuel filter 0.4 in. Hg maximum
pressure drop at 20 gph
(76 l/hr) flow,
150 in.
2 (1290 cm 2 ) of fil-
ter area
Maximum fuel pump
lift height Fuel pump should not
be located more than 30
in. (76.2 cm) above bot-
tom of fuel tank