Printed in U.S.A. 63 913364/BP0314
RT250 - ENGINE
FUEL CIRCUIT
01 087852 CLAMP, HOSE #06 AR
03 50301595 HOSE, FUEL 3/8" x 70" (return) 1
04 076589 CS FL LOCK 3/8" x 1" C5ZY 3
05 055021 CLAMP, VINYL 0.75 x 0.41 DBL 2
06 210-19533 HN FL CLOC 3/8" CZY 5
07 650490 CS 3/8" x 1" C5ZY 2
08 136226 CLAMP, VINYL 0.75 x 0.41 SNGL 1
09 50302437 FUEL FILTER ASY., SECONDARY 1
50302441 FILTER (only) 1
10
b
50300327 90 MJ08-MMA16 3
11
b
50300462 ST HB08-FJS08 (brass) 3
12
b
50301594 HOSE, FUEL 1/2" x 61" 1
13
b
50303012 90 MJ06-MMA16 1
14 50300449 ST HB06-FJS06 (brass) 1
15 50301593 HOSE, FUEL 3/8" x 78" 1
16 651195 SHCS HS #10-24 x 1/2" C 4
650584 FW #10 AZY (not shown) 4
17
a
50288223 FUEL PUMP, ELEC. 12 VDC 1
(engine fuel supply only)
18 NSS FITTING (included w/fuel pump #17) 1
19 WATER SEPARATOR ASSEMBLY 1
50303845 Note c
50302443 Note b
50303847 FILTER (only) - Note c
50302445 FILTER (only) - Note b
50288227 VENT/PLUG (not shown)
20 50301589 HOSE, FUEL 1/2" x 85" (supply) 1
21 50301590 HOSE, FUEL 1/2" x 14" 1
22 50220612 SENSOR, WATER 1
50220613 SEALING RING (between water sensor
and water separator/filter)
23 50220553 SENSOR, PRESSURE 1
50220554 O-RING SEAL (between pressure
sensor and filter head)
24
c
50303802 FUEL HOSE ASY. QUICK-CONNECT 1
(includes items 25 and 26)
25
c
50303801 CLAMP, SPRING 2
26
c
50303794 FITTING, ST 1/2" QD FEMALE FUEL 2
27
c
50303791 FITTING, ST QD FUEL 1
28
c
50303793 WASHER, SEALING 1
29
c
50303813 FITTING, ST 3/8" QD FEMALE FUEL 1
30
c
TBD FUEL RETURN LINE 1
a IMPORTANT: The fuel supply pump (50288223) looks
similar to the fuel transfer pump (50302436)—used on
the fuel tank; however, the internal components of the
pumps are different. Be sure to order the correct part
for the correct application. The fuel transfer pump is
shown on the next page; item 10.
b Used when equipped with engine SN 11538280 and
before.
c Used when equipped with engine SN 11538281 and
up.
Item
No. Part No. Description Qty.
Item
No. Part No. Description Qty.
24
28
27
24
25
26
25
26
31
30
29
Fuel Supply and
Return Lines
(Late Style)
Fuel Return
Fuel Supply
IMPORTANT: The engine serial number is located on
the serial number plate on top of the engine valve cover.