Jet Installation
Page 1D-30 90-8M0050731 MAY 2011
Features
Bilge Siphon Feature
The sport jet incorporates an automatic bilge siphoning feature. The bilge siphon is working whenever the engine is operating
above idle speeds. Maximum performance of the bilge siphon is achieved above 3000 RPM. A hose is attached to the jet pump
nozzle, routed to the engine compartment, and placed in the bilge. Water exiting the nozzle creates a suction, or vacuum, in the
hose, creating the bilge siphon, and drawing water out of the boat.
!
CAUTION
Fasten the bilge siphon hose so that the siphon break is positioned above the waterline. Positioning the siphon break incorrectly
can result in siphoning water directly into the boat. Excess water in the bilge can damage the engine or cause the boat to sink.
Installing the Bilge Siphon
!
WARNING
Installing the bilge siphon incorrectly can result in siphoning water directly into the boat can sink the vessel, causing product
damage, serious injury, or death. Always install the bilge siphon break above the water line and keep the hole open.
1. Uncoil the siphon hose from the exhaust manifold.
2. Use a cable tie and fasten the bilge hose so that the siphon break is located above the waterline at the highest point.
3. Place the pickup screen in the bilge.
NOTE: The siphon break must be located above the waterline at the highest point and secured with a cable tie. The siphon break
has a 0.580 mm (0.020 in.) hole, which must be kept open.
a - Siphon break
b - Cable tie
c - Bilge siphon hose
d - Pickup screen
Water Bypass System
The water bypass system is designed to improve powerhead cooling at idle speed.
1. Locate the water bypass components (provided).
a -
Through‑the‑hull fitting
b - Brass nut
c - Hose clamp
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