Air Cut-Off Valve; Vacuum Pump - Honda CH250 Elite 1986 Service Manual

FUEL SYSTEM
-XXXXX
A~~~~OI{(2)
PUMP
ST-AH-260-MC7
(U.S.A.
only)
or A937X-041-
XXXXX
After '85
one vacuum tube connector and connect the vacuum
pump to the other vacuum tube connector, and then connect
the pressure pump to the air vent tube connector.
'85
Connect the vacuum pump to the vacuum tube connector.
Connect the pressure pump to the air vent tube connector.
Disconnect the vacuum and air vent tubes from the air cut-off
valve.
AIR CUT-OFF VALVE
the specified vacuum to the air cut-off valve.
While the vacuum, light pressure
to the air cut-off valve with the pressure pump.
{2l VACUUM PUMP
A937X-041-XXXXX or
ST --AH-260-MC7
(U.S.A onlyl
After
this test or the • Do not exceed 500 mm Hg
air valve may be
CAUTION
Remove the carburetor.
Disconnect the air vent tube from the valve body.
Remove the valve body screws and valve body.
The air cut-off valve is normal if the air does not flow throught
the air cut-off valve.
If the air flows out of the air cut-off valve. replace the air cut-
off valve,
VACUUM:
49 state model: 360:t30 mm Hg 114.2±1.2 in Hgl
California model: 380:t30 mm Hg 115.0:t1.2 in Hgl
4-7