Shift shaft plate O-ring. A lower unit oil pump.
How Much Lower Unit Oil.
Outboard motor how much lower unit oil. How Much Lower Unit Oil. A quart is usually enough. It is pumped in from the bottom and is full when it runs out the vent.
You can buy a little hand pump or just use the pointed end of the oil containers cap to inject the oil. These are the requirements from National Marine Manufacturers Association for lower unit oil and Yamaha lower unit oil meets these requirements. Following are different types of lower unit oils.
5W-30 Full-Syntheticthis is the best oil for high performing outboards. 40 rows Welcome to the step-by-step guide to changing your outboards lower unit oil. However the more you take your boat onto the water the more work the engine goes through which can increase the need for oil changes.
Much like how cars should receive an oil change every thirty-thousand miles your outboard lower unit oil requires changing every one-hundred hours the boat is in operating. Nov 28 2010. I am about to change my lower unit oil for the first time and was wondering how much oil I should purchase.
I would guess between 2 and 3 quarts. I want to make sure that I have enough on hand. 34 rows Welcome to the step-by-step guide to changing your outboards lower unit oil.
Reinstall the oil drain screwbolt and its washer or O-ring and wipe away any oil from the lower cowling and the lower unit. Tilt the outboard to the vertical position if it isnt already. Put a shop towel or rag under the oil filter to catch the oil that spills out when the filter is removed.
To keep the lubricating oil within the gearbox and to prevent water from entering the gearcase there are a number of oil seals and O-rings in the lower unit. Prop shaft oil seal. Shift shaft oil seal.
Shift shaft plate O-ring. Gearbox bearing housing O-rings. Checking the oil level is not difficult pretty much like checking the oil of your car.
Just remove the upper oil plug then insert a small wire into the hole about an inch deep and take it out. If the wire touches the oil then you know that the oil is at the right level. If you dont find any oil on the wire then it should be refilled until you reach the right level.
So that was a brief tutorial on how to change yamaha lower unit oil. Most sterndrive and outboard manufacturers advise you to change the gearcase oil in your lower unit every 100 hours or once a year whichever comes first. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage.
Servicing the lower unit is a simple job that you can easily do yourself. Tilt the engine up to the trailering position. Turn the outboard so the drain hole is facing downward.
Remove the drain plug and drain the engine oil into an appropriate container. Once oil is completely drained lubricate the seal on the drain plug with oil and reinstall. Click to see full answer.
Because of these two factors your outboard operates full-time at a temperature much lower that your automobile and requires very different qualities in its lubricating oil. Yamalube marine oils have detergents dispersants and viscosity index improvers to meet these marine-specific challenges head-on. What type of oil goes in a Mercury lower unit.
Mercury Premium SAE 80W90 Gear Lube is recommended for lower units for outboards below 75 horsepower. Mercury Premium SAE 80W90 Gear Lube should not be mixed with Mercury High-Performance SAE 90 Gear Lube. Gear case oil Honda Outboard Motor Lower Unit Gear Case Oil PN 08739-90W or Marine SAE 90 Hypoid Gear Oil API Service Classification GL-4 or GL-5 OIL LEVEL HOLEBOLT OIL DRAIN HOLEBOLT O-RING OIL DRAIN BOLT MAGNET OIL DRAIN BOLT GEAR CASE OIL PUMP PN 08200-9011 NOTICE.
May 20 2019 by lowerunit. Most lower units are filled from the bottom. The one exception is a Cobra lower unit which we will discuss later.
Fill from the bottom hole until lower unit oil flows from the the top hole. Put the top screw in. Then put the bottom screw in.
If you run your motor for fewer than 100 hours during the season change your lower unit oil once per year right before you store your boat for winter. If you run your outboard for more than 100 hours change your lower unit oil every 100 hours. An oil drain pan.
A piece of cardboard to catch drips One quart of gear lubricant or lower unit oil. A lower unit oil pump. For Yamaha outboards thats at 20 hours and draining that oil will get any possible debris out of the engine.
The dealer tech will also change the gearcase lube and check the magnetic tip of the plug for debris larger than just powder. Then if theres an issue it can be dealt with immediately. Running your outboard without completely filling the lower unit with oil to the proper level will cause severe damage to your outboard.
See the comments at the end of this guide on how to check for the proper oil level in your lower unit. Be sure and properly dispose of your old oil by taking it to an oil recycling center. Most quick lube oil change centers or auto service stations.
The lower unit converts the power of your outboards engine to rotation of the prop shaft which moves the propeller which moves your boat. Without it you go nowhere. Its internal mechanical workings put tremendous pressure on the lubricant insideThis hardworking device just needs some simple regular maintenance to help it stay that way.
Engine oil amounts. Qt 40 42 35. Oil change only 43 45 38.
Oil filter change. SUZUKI Outboard Motor Gear Oil or SAE 90 hypoid gear oil API classification GL-5. Gearcase oil capacity.
An oil change may sound like a messy affair but you can change the lower unit oil in your Johnson 48 SPL outboard motor with minimal fuss. You need an approved container in which to catch the oil you drain from the unit. You also should remember that turning a screwdriver clockwise tightens a screw while turning a.