Carburetor Specifications; Pre-Maintenance Checks; Removing Carburetor - Arctic Cat 1987 AFS El Tigre Service Manual

,
Carburetor
Specif ications
Low Altitude
Pantera Cheetah LIC
EI Tigre 5000 EI Tigre 6000
Number of
Carburetors
2 2
Type VM34 VM38
Main Jet 280 370
Pilot Jet 27 .5 30
Pilot Ai r Screw
(Tu rn s Out) 1112 1 V2
Needle Jet P-4 (166) 0-6 (166)
Jet Needle 60H3-3 6DH8-2
Slide Cut-away 2.5 3.5
High Altitude Pantera Cheetah LIC
EI Tigre 5000 EI Tigre 6000
Number of
Carbu retors 2 2
Type VM34 VM38
Main Jet See Jet Chart See Jet Chart
Pilot Jet
27.5 30
Pilot Air Screw
(Turns Out) 1 V 2 1 V2
Needle Jet P-4 (166) 0-2 (166)"*
0-0 (1 66)"·
Jet Needle 6DH3-2 6DH8-2
Slide Cut-away 2.5
3.5
Cougar
Cheetah FIC
2
VM34
260
35
1112
P-4 (166)
6DH2-3
2.5
Cougar
Cheetah FIC
2
VM34
See Jet Chart
30
1112
P-4 (166)
6DH2-2
2.5
"Elevations betwee n 1524 m (5000 It) and 2440 m (8000 It)
.
• " Elevations above 2440 m (8000 It).
Pre-Maintenance
Checks
Before troubleshooting the fuel system, several
simple checks should be performed. Many times
what appears to be a serious problem is only a
minor one.
1. Remove the in-line fuel fi lter; then plug the
hose to prevent dra inage. If the fi lter is dirty,
either backflush with cleaning solvent or
rep lace the filter.
46
Fig . 3·1
r~=I
/
~
In· Line
~
F •• , F;lI.,
0725·067
2. Remove the plug from the hose; then install
either a new or c leaned filter making sure the
arrow on the filter is directed toward the fue l
pump.
3. Check the hoses to ensure that all hoses are
correc t ly connected;·the n check the hoses fo r
cracks. If any crac ks are evident in the hoses,
rep lace the hoses making sure t he hoses
aren't against any hot or mov ing parts. Hoses
must f it tightly. If hoses do not fit tightly, cut 6
mm (1/4 in.) from the end of the hose and in-
stall.
4. Check the impu lse hose for correc t con nec-
tions on both the fue l pump and crankcase fit-
tings . Hose must fit tight ly.
5. Check each carburetor vent hose for obstruc-
t ions; remove any obstruct ions.
6. Check fuel-tank vent and hose for obst ruc-
t ions; remove any obstruct ions.
,
Removing Carburetor
1. Loosen the screw and lock washer securing
the mix ing-body-top plate.
2. Remove the mixing body top by rotating it
counterc lockwise; then remove the top with
spring, plate, jet needle w/ E-ring, and piston
va lve from the carburetor.