Can You Use Regular Gear Oil In A Lower Unit Ideas in 2022

Can You Use Regular Gear Oil In A Lower Unit. You only have to change the oil if water gets in it which may be every 5 or 10 years, so $40 should really not be an issue. Mona prestenbach is from south louisiana and started writing professionally in 2010. Servicing the lower unit is a simple job that you can easily do yourself. It works anywhere 'regular' oil can be used, as well. Put a quart of conventional lower unit oil in the fridge, and a quart of synthetic. However, for the best protection, it is best to use a gear oil specifically formulated for marine lower unit applications. For example, in a boat that is put in storage and left for a season, or a year or two. This will release the vacuum that exists and allow the oil to drain freely from the mercury lower unit. Gear oil is thick (high viscosity), heavy oil that is used to reduce friction, heat transfer and corrosion in units containing gears. This gear oil is recommended for conventional and limited slip differentials. However, you can use any quality graded of 80/90w grade marine lower unit oil in your motor. Imagine what happens when your little gears in your lower unit start to turn rapidly. Even in the case of spur, helical and bevel gears (which have a naturally high gear efficiency), it is possible to increase gear efficiency of up to one percent by using a synthetic gear oil. Without this task taken care of, the gears can become damaged due to the heavy loads they handle. If there was any water in the lower unit when it went into storage, then the water and gear oil.

Precision Lubricants Gear Lube | Mercury Marine
Precision Lubricants Gear Lube | Mercury Marine

Can You Use Regular Gear Oil In A Lower Unit

So, can you use any old gear lube in your marine lower unit? It works anywhere 'regular' oil can be used, as well. Seems like rod stated before this all has to do with bushings in the lower unit. So, yes, you can safely mix synthetic and conventional oil. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. But a search should lead you to that thread Put a quart of conventional lower unit oil in the fridge, and a quart of synthetic. Even in the case of spur, helical and bevel gears (which have a naturally high gear efficiency), it is possible to increase gear efficiency of up to one percent by using a synthetic gear oil. Never use any oil incompatible. This 115 on my hpx carbon/kevlar boat is not a hi load stress over hp set up so i will be fine. Synthetic lubricants have a lower friction coefficient in a gearbox, better film strength and a better relationship between viscosity and temperature (viscosity index, vi). However, you can use any quality graded of 80/90w grade marine lower unit oil in your motor. Without this task taken care of, the gears can become damaged due to the heavy loads they handle. Now remove the top drain plug;

Even in the case of spur, helical and bevel gears (which have a naturally high gear efficiency), it is possible to increase gear efficiency of up to one percent by using a synthetic gear oil.


So you should use yamaha lower unit oil, instead of an ordinary automotive oil, which is specially made to help lower unit work efficiently. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. It works anywhere 'regular' oil can be used, as well.

I’ve used the omc, amsoil, and schaeffer 267 gear lube on my volvo penta. So, can you use any old gear lube in your marine lower unit? You only have to change the oil if water gets in it which may be every 5 or 10 years, so $40 should really not be an issue. However, you can use any quality graded of 80/90w grade marine lower unit oil in your motor. This may not seem like much at first, but it may result in considerable cost savings depending on the nominal output of the gear unit, especially in the case where several gears are deployed. But a search should lead you to that thread You can also use any of the synthetic oil equivalents. As long as they meet the spec, you are fine. Then try to pour both out. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. Gear oil is thick (high viscosity), heavy oil that is used to reduce friction, heat transfer and corrosion in units containing gears. Now remove the top drain plug; Don't use the thinner oil that is rated for use in the older electric shift models. There is no magic to lower unit lube. Try walmart for the best price. Put a quart of conventional lower unit oil in the fridge, and a quart of synthetic. You will see that the conventional oil is very thick. If you want the best protection possible, and want your lower unit to last as long as your boat, then the answer is no. Never use any oil incompatible. 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). This will simulate your lower unit in 40 degree water.

So, can you use any old gear lube in your marine lower unit?


Don't use the thinner oil that is rated for use in the older electric shift models. Consult your engine’s manual and look for the proper marine gear lube for your application. Seems like rod stated before this all has to do with bushings in the lower unit.

This will release the vacuum that exists and allow the oil to drain freely from the mercury lower unit. Synthetic lubricants have a lower friction coefficient in a gearbox, better film strength and a better relationship between viscosity and temperature (viscosity index, vi). I mentioned the synthetic merc stuff only as an (better, possibly)) option. Mona prestenbach is from south louisiana and started writing professionally in 2010. Can you use regular automotive gear oil in a marine lower unit? So, can you use any old gear lube in your marine lower unit? Then try to pour both out. This may not seem like much at first, but it may result in considerable cost savings depending on the nominal output of the gear unit, especially in the case where several gears are deployed. I’ve used the omc, amsoil, and schaeffer 267 gear lube on my volvo penta. Even in the case of spur, helical and bevel gears (which have a naturally high gear efficiency), it is possible to increase gear efficiency of up to one percent by using a synthetic gear oil. Servicing the lower unit is a simple job that you can easily do yourself. Now remove the top drain plug; As long as they meet the spec, you are fine. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. Don't use the thinner oil that is rated for use in the older electric shift models. Without this task taken care of, the gears can become damaged due to the heavy loads they handle. Brown lower unit oil is a sign of rust and is usually found in a gear case that has been sitting for awhile. However, for the best protection, it is best to use a gear oil specifically formulated for marine lower unit applications. Yes, as long as it meets the specification in the owner’s manual. Evaporative losses are lower for synthetics due to the lack of lighter hydrocarbon structures. But a search should lead you to that thread

This gear oil is recommended for conventional and limited slip differentials.


Synthetic lubricants have a lower friction coefficient in a gearbox, better film strength and a better relationship between viscosity and temperature (viscosity index, vi). This may not seem like much at first, but it may result in considerable cost savings depending on the nominal output of the gear unit, especially in the case where several gears are deployed. This 115 on my hpx carbon/kevlar boat is not a hi load stress over hp set up so i will be fine.

However, you can use any quality graded of 80/90w grade marine lower unit oil in your motor. There is no magic to lower unit lube. Don't use the thinner oil that is rated for use in the older electric shift models. Brown lower unit oil is a sign of rust and is usually found in a gear case that has been sitting for awhile. Can you use regular automotive gear oil in a marine lower unit? This may not seem like much at first, but it may result in considerable cost savings depending on the nominal output of the gear unit, especially in the case where several gears are deployed. This will release the vacuum that exists and allow the oil to drain freely from the mercury lower unit. Try walmart for the best price. Servicing the lower unit is a simple job that you can easily do yourself. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. This will simulate your lower unit in 40 degree water. So, can you use any old gear lube in your marine lower unit? For example, in a boat that is put in storage and left for a season, or a year or two. It works anywhere 'regular' oil can be used, as well. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. Never use any oil incompatible. You will see that the conventional oil is very thick. Put a quart of conventional lower unit oil in the fridge, and a quart of synthetic. Allow all of the oil to drain completely from the lower unit. Then try to pour both out. As long as they meet the spec, you are fine.

When two yamaha items say two differant things it makes you want to stop and ask yamaha which one is correct.


That old motor was alive long before synthetic oil was developed, but you can use that also, i think keeping contaminates (water) out of the oil is more important than the brand of oil you use. Mona prestenbach is from south louisiana and started writing professionally in 2010. This will simulate your lower unit in 40 degree water.

You can also use any of the synthetic oil equivalents. If there was any water in the lower unit when it went into storage, then the water and gear oil. Put a quart of conventional lower unit oil in the fridge, and a quart of synthetic. This 115 on my hpx carbon/kevlar boat is not a hi load stress over hp set up so i will be fine. However, for the best protection, it is best to use a gear oil specifically formulated for marine lower unit applications. This will release the vacuum that exists and allow the oil to drain freely from the mercury lower unit. Even in the case of spur, helical and bevel gears (which have a naturally high gear efficiency), it is possible to increase gear efficiency of up to one percent by using a synthetic gear oil. Yes, as long as it meets the specification in the owner’s manual. Evaporative losses are lower for synthetics due to the lack of lighter hydrocarbon structures. In regards to never hearing a lower unit blowing up because of oil, i agree to some extent. This may not seem like much at first, but it may result in considerable cost savings depending on the nominal output of the gear unit, especially in the case where several gears are deployed. 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). As long as they meet the spec, you are fine. This gear oil is recommended for conventional and limited slip differentials. Is synthetic gear oil better than regular gear oil? Synthetic lubricants have a lower friction coefficient in a gearbox, better film strength and a better relationship between viscosity and temperature (viscosity index, vi). You only have to change the oil if water gets in it which may be every 5 or 10 years, so $40 should really not be an issue. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. Consult your engine’s manual and look for the proper marine gear lube for your application. Gear oil is thick (high viscosity), heavy oil that is used to reduce friction, heat transfer and corrosion in units containing gears. Allow all of the oil to drain completely from the lower unit.

Servicing the lower unit is a simple job that you can easily do yourself.


For example, in a boat that is put in storage and left for a season, or a year or two. Put a quart of conventional lower unit oil in the fridge, and a quart of synthetic. If there was any water in the lower unit when it went into storage, then the water and gear oil.

Even in the case of spur, helical and bevel gears (which have a naturally high gear efficiency), it is possible to increase gear efficiency of up to one percent by using a synthetic gear oil. You will see that the conventional oil is very thick. Servicing the lower unit is a simple job that you can easily do yourself. That old motor was alive long before synthetic oil was developed, but you can use that also, i think keeping contaminates (water) out of the oil is more important than the brand of oil you use. Mona prestenbach is from south louisiana and started writing professionally in 2010. Try walmart for the best price. 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). Brown lower unit oil is a sign of rust and is usually found in a gear case that has been sitting for awhile. This gear oil is recommended for conventional and limited slip differentials. In regards to never hearing a lower unit blowing up because of oil, i agree to some extent. Gear oil is thick (high viscosity), heavy oil that is used to reduce friction, heat transfer and corrosion in units containing gears. As long as they meet the spec, you are fine. Consult your engine’s manual and look for the proper marine gear lube for your application. If you want your boat to last, regular maintenance is essential, and one of those tasks you can't ignore is changing your outboard lower unit oil regularly. So, yes, you can safely mix synthetic and conventional oil. I’ve used the omc, amsoil, and schaeffer 267 gear lube on my volvo penta. Don't use the thinner oil that is rated for use in the older electric shift models. So, can you use any old gear lube in your marine lower unit? This will simulate your lower unit in 40 degree water. For example, in a boat that is put in storage and left for a season, or a year or two. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage.

I mentioned the synthetic merc stuff only as an (better, possibly)) option.


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). Now remove the top drain plug; Don't use the thinner oil that is rated for use in the older electric shift models.

This 115 on my hpx carbon/kevlar boat is not a hi load stress over hp set up so i will be fine. 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). Allow all of the oil to drain completely from the lower unit. So, yes, you can safely mix synthetic and conventional oil. Evaporative losses are lower for synthetics due to the lack of lighter hydrocarbon structures. As long as they meet the spec, you are fine. When two yamaha items say two differant things it makes you want to stop and ask yamaha which one is correct. Can you use regular automotive gear oil in a marine lower unit? Consult your engine’s manual and look for the proper marine gear lube for your application. That old motor was alive long before synthetic oil was developed, but you can use that also, i think keeping contaminates (water) out of the oil is more important than the brand of oil you use. As the lower unit is always in the water and in salt water things get more dangerous as it. Try walmart for the best price. Don't use the thinner oil that is rated for use in the older electric shift models. Yes, as long as it meets the specification in the owner’s manual. 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). However, you can use any quality graded of 80/90w grade marine lower unit oil in your motor. Now remove the top drain plug; Imagine what happens when your little gears in your lower unit start to turn rapidly. It works anywhere 'regular' oil can be used, as well. Synthetic lubricants have a lower friction coefficient in a gearbox, better film strength and a better relationship between viscosity and temperature (viscosity index, vi). For example, in a boat that is put in storage and left for a season, or a year or two.

Yes, as long as it meets the specification in the owner’s manual.


However, for the best protection, it is best to use a gear oil specifically formulated for marine lower unit applications.

Never use any oil incompatible. Can you use regular automotive gear oil in a marine lower unit? It works anywhere 'regular' oil can be used, as well. However, you can use any quality graded of 80/90w grade marine lower unit oil in your motor. 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. Imagine what happens when your little gears in your lower unit start to turn rapidly. This 115 on my hpx carbon/kevlar boat is not a hi load stress over hp set up so i will be fine. As the lower unit is always in the water and in salt water things get more dangerous as it. Put a quart of conventional lower unit oil in the fridge, and a quart of synthetic. Evaporative losses are lower for synthetics due to the lack of lighter hydrocarbon structures. As long as they meet the spec, you are fine. This will simulate your lower unit in 40 degree water. This may not seem like much at first, but it may result in considerable cost savings depending on the nominal output of the gear unit, especially in the case where several gears are deployed. When two yamaha items say two differant things it makes you want to stop and ask yamaha which one is correct. Servicing the lower unit is a simple job that you can easily do yourself. Gear oil is thick (high viscosity), heavy oil that is used to reduce friction, heat transfer and corrosion in units containing gears. This will release the vacuum that exists and allow the oil to drain freely from the mercury lower unit. If you want the best protection possible, and want your lower unit to last as long as your boat, then the answer is no. However, you can use any quality graded of 80/90w grade marine lower unit oil in your motor. Don't use the thinner oil that is rated for use in the older electric shift models.

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