How long do Yamaha impellers last?
I’ve found that Yamaha impellers are good for at least three years and usually will go five. But, they are cheap and easy to swap, so I generally do ’em at three year intervals.
How do you remove the lower unit on a Suzuki outboard?
Pull down on the lower unit gear housing and separate the lower unit, guiding it straight out of the exhaust housing. Remove the last two lock nuts as this occurs. Ease the shift shaft and driveshaft out of the exhaust housing as the lower unit is removed.
What is a impeller water pump?
An impeller is a rotating iron or steel disc with vanes in a centrifugal pump. Impellers transfer energy from the motor that drives the pump to the fluid being pumped by accelerating the fluid radially outwards from the centre of rotation.
How often should impeller be changed?
Most marine engine brands recommend replacing impellers once every 300 hours or 3 years, but they should be inspected once every year. You may also need to replace your water pump housing every 300 hours as well. This is what holds your impeller in place. Notice how its fins are extremely curved.
How do I know if my lower unit is neutral?
Depending on how your linkage is set up, with a pair of pliers or vice grips turn the shifting shaft that comes out of the lower unit and turn the driveshaft until you know the lower unit is neutral.
What model Suzuki outboard do I have?
The Suzuki Outboard Motor MODEL, PRE-FIX and SERIAL NUMBER are stamped on a plate attached to the clamp bracket.
How do I know if I need a new impeller?
Ignore the symptoms of an impeller in need of replacement only if you wish to purchase a new motor.
- The Maintenance Schedule.
- When the Outboard Shows Signs of Overheating.
- A Reduced Stream of Water at the Cooling Water Outlet.
- The Impeller Has Been In Service for Three Years.
How often should you replace your impeller?
Most marine engine brands recommend replacing impellers once every 300 hours or 3 years, but they should be inspected once every year. You may also need to replace your water pump housing every 300 hours as well. This is what holds your impeller in place.