Ski-Doo Formula MACH 1, Shop Manual

Page: 145 / 304

Section 04 ENGINE
Subsection 08 (CARBURETOR AND FUEL PUMP)
04-08-23
1. Air temperature sensor
Manifold Air Jet
This jet allows the atmospheric pressure to reach
carburetor bowls when the DPM is on standby.
See manifold ass’y illustration.
TESTING PROCEDURE
Pump
Pressure Test
The pump must create a minimum pressure of
400 ± 50 mm of water.
Connect a jet (P/N 270 5001 57) to a hose then con-
nect that little tube to the small nipple of a T-fitting
(P/N 414 2225 00). Install that T-fitting between a
U-tube and air pump outlet.
A. 400 ± 50 mm of water
1. T-fitting (P/N 414 2225 00)
2. Jet (P/N 270 5001 57)
Start engine and note water height.
DPM Module
Solenoids are supplied by the DPM module. If this
module does not work, there will be no current on
the RD/BL and BK connectors (3-10 housing); and
on the RD/GN and BK connectors (3-11 housing).
Unplug upper solenoid wire (enrichment). Con-
nect a good solenoid to module output connector.
Use adaptor (P/N 529 0338 00) as required.
1
A06E2PA
-
CAUTION
Do not disconnect both DPM connectors.
The compensation solenoid must remain
plugged.
A06I0XA
A
A06H36A
1 2