Sea-doo SP Shop Manual page 137

Section 05 FUEL SYSTEM
Sub-Section 04 (CARBURETORS)
3
1
F01F0ZA
1. Metering chamber floor
2. Lever end
3. Flush
To adjust, bend lever very slightly to change its
height.
-
CAUTION
When adjusting lever, do not pry it so that it
applies pressure on needle. This could dam-
age valve seat/needle.
1
F01F0HA
HIGH LEVER
1
Step : Depress here
2
Step : Push tab down
05-04-6
2
2
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1
F01F34A
LOW LEVER
1
Step : Depress here
2
Step : Pry up here
POP-OFF PRESSURE TEST
Proceed as follows:
– Install pump gauge tester on carburetor fuel in-
let nipple.
– Obstruct fuel return nipple with a finger.
– Pump tester until inlet release pressure is
reached (seen by a sudden pressure drop).
2
F01F10A
TYPICAL
1. Pump gauge tester
2. Install on inlet nipple
3. Obstruct outlet nipple
Refer to the following table for pop-off pressures
(PSI), from needle valve size and arm spring com-
binations:
Valve Arm Spring Load (g)
Seat
Diameter
51
(mm)
1.2 29 ± 8 38 ± 10
1.5 17 ± 5 27 ± 8
2.0 11 ± 4 16 ± 5
2
3
1
65 80 115
48 ± 12 76 ± 15
33 ± 10 42 ± 12
21 ± 7 29 ± 8