Exhaust System Check; Breather Hose Check; Impeller Check; Jet Thrust Nozzle Check - Yamaha Waverunner VXS VX1800 Service Manual

2
2. Spray a rust inhibitor into the throttle valve
opening "a".
a
Recommended lubricant
Rust inhibitor
3. Connect the air intake pipe, and then tight-
en the air intake pipe clamp.
Air intake pipe clamp
3.5 Nm (0.35 kgf·m, 2.58 ft·lb)

Exhaust system check

1. Check the exhaust hoses and hose con-
nections for exhaust or cooling water leak-
age. See "Exhaust system installation"
(8-24).
2. Check the exhaust hoses. Replace if
cracked or damaged.
3. Check the exhaust hose routing and the
clamps.

Breather hose check

1. Check the breather hoses and hose con-
nections for blowby gas or oil leakage. See
"Cable and hose routing" (2-13).
2. Check the breather hoses. Replace if
cracked or damaged.
1
3. Check the breather hose routing and the
clamps. See "Cable and hose routing"
(2-13).

Impeller check

Make sure to remove the battery before
checking the jet pump unit.
1. Check the impeller from the jet intake side.
Clean if there is foreign material.
2. Check the impeller. Replace if bent or
damaged. See "Jet pump unit removal"
(6-3).

Jet thrust nozzle check

1. Disconnect the trim rod and steering cable.
2. Remove the jet thrust nozzle and nozzle
ring.
3. Apply grease to the nozzle pivot.
Recommended lubricant
YAMALUBE MARINE GREASE
4. Check that the jet thrust nozzle moves
smoothly.
5. Install the nozzle ring and jet thrust nozzle.
6. Connect the trim rod and steering cable.
Jet vacuum bilge draining system
check
1. Check the bilge strainer "1". Clean if
clogged or dirty.
3-10
Periodic service