What is a prop shaft seal?
The prop-shaft seal keeps the water out and lubricates the shaft at its point of exit from the hull. Courtesy Hydrasearch Recreational. If your boat uses an inboard engine, then it’s important that you know something about shaft seals.
Why is oil coming from my propeller?
This one is easy, if engine oil is leaking, the propeller needs to come off and be inspected by a prop shop. This condition means oil is leaking around the internal piston and is filling the hub cavity. Keep in mind, engine oil is pressure fed into the propeller to control the blades.
Why is oil coming out of my propeller?
Why is oil coming out of my outboard exhaust?
If the boat has not been run in a long period of time, then the gasoline becomes stale and loses some of its octane. This will cause the engine to become less efficient in burning the gas and oil mixture, which will result in the black oily residue in the exhaust chamber.
How much does it cost to rebuild a lower unit?
A typical set of parts for the gearcase can cost $500-600 and may go higher if the gearcase is severely damaged. If you have your local mechanic repair the lower unit, his labor will run about $300-400 for this type of repair.
How long do shaft seals last?
Dripless Shaft Seals – Preventive Maintenance PYI recommends inspecting the bellows for cracks, splits tears, and brittleness twice annually and replacing every six years regardless of condition, at which time they also recommend the O-rings and set screws in the stainless steel rotor be replaced as well.
What does a prop seal ring do?
Prop Seal will reduce exhaust ventilation when using a Trophy Plus on a V-6 gearcase, 135HP+ gearcase (prevents over/under exhaust). Recommended on 200-275 Verado when using Trophy Plus.
What is little hole next to top drain plug on lower unit of boat motor?
Probably a drain hole for the area around the water pump (outside of the water pump). Lets water drain out of the area on top of the lower unit when the boats out of the water to prevent freeze damage. If you have gear lube leaking from that, you have a leaking drive shaft or shift shaft seal.
How much does a 115 hp outboard motor cost?
$12,999.00. Brand New 115HP Mercury 4-Stroke EFI CT outboard motor. XL Command Thrust fits both 20″ and 25″ boat and pontoon transoms. Model Includes Electronic Fuel Injection (EFI) plus Power Tilt & Trim.
What is the best Yamaha propeller for 115 4 stroke engine?
These props are made with zero imperfections and suitable for your 115 4 strokes Yamaha. It is one of the best propellers with amazing pice and speed density. The Polastorm Yamaha prop fits the engines of 50-130 HP applications. 5. Rason Propeller Yamaha Prop
What is the size of a Yamaha prop from South Marine?
The Yamaha prop from South marine is compatible with OEM part numbers 6E5-45947-00-00, 6E5-45947-00-EL. The size of this Yamaha Prop is 13*½*15k It has spline number 15 with three efficient blades. The rotation of this propeller is the right rotation.
Why Yamaha props are the best for sailboats?
The Yamaha props have designs that are most suitable for the outboard engine designs and development of high performance. The sailboats require more amount of energy and efficiency in props along with large displacement craft.
What is a Yamaha polastorm prop?
The Polastorm Yamaha Prop is made from high-quality stainless steel. It had an identical diameter and pitch, just like the original OEM ones. It has a free return policy on the dissatisfactory of any product while purchasing. These props are made with zero imperfections and suitable for your 115 4 strokes Yamaha.