Dual Fuel Pump Installation - BOMBARDIER 1996 Ski-doo MX Z440 Handbook

DUAL FUEL PUMP INSTALLATION

With a heavily modified engine, especially when using large bore carburetors, the need for 580 or
larger main jets may arise. The capacity of the fuel pump maybe exceeded when using these large
jets. To eliminate any possibility of starvation, install two fuel pumps as shown below. Be sure to
use a separate impulse line to each pump.
A01C4CS
1. From fuel tank
2. Fuel intlet line
3. Tocarb
4. Fuel outlet line
5. Impulse line
Dual outlet, round Mikuni fuel pump equals about 35 liters/ hour.
Dual outlet, square Mikuni fuel pump equals about 30 liters / hour.
583 and larger 1995 vehicules use a single large capacity 70 liters / hour fuel pump. The following
parts list includes the pieces necessary to install the 70 L / hr pump.
Section ENGINE PREPARATION
04
04-57