How to adjust the primary chain on a Harley Davidson?

How to adjust the primary chain on a Harley Davidson?

How to adjust the Primary Chain on a Harley-Davidson Evolution Sportster Motorcycle Engine As you can see in the videos above, to check the primary chain tension on your Harley, you need to remove an inspection cover, which has a reusable rubber gasket.

What is the chain tensioner on a Harley Davidson?

Harley’s automatic primary chain tensioner has issues of its own. At the first movement that the chain has slack, the auto tensioner ratchets the shoe up another notch. One notch may not be an issue but the auto tensioner can only adjust in one direction; tighter.

How does the oil in the primary chaincase work?

The engine’s power output is transferred to the transmission through the primary chain, housed behind an oil-filled cover on the left side of the motorcycle. Just as the engine’s oil supply works to reduce internal friction, the fluid within the primary chaincase reduces wear on the chain and the transmission’s clutch plates.

How to install a Hayden primary chain tensioner?

I also zip tied the Hayden tensioner down for an easier install. You must remove the driver and passenger foot boards to access the screws holding the chain cover. Once the chain cover was removed I let the oil drain for about 30 minutes then unbolted the stock tensioner and replaced it with the Hayden.

Do you need to adjust the primary chain on a Harley Davidson?

It is desirable to adjust the primary chain on your Harley-Davidson. motorcycle to prevent the chain from slapping inside the chain. enclosure, to extend chain life, and to get the most power from the. motor. Here is a quick guide on accessing and adjusting the chain as needed.

Is the automatic chain tensioner on a Harley Davidson defective?

If you have been following the ‘Harley automatic primary chain tensioner’ topics on the web and in the various Harley forums that there are volumes of conflicting information about this particular part. Some people think that is is defective and destroys bearings by over-tensioning the primary chain.

When did the Dyna automatic chain tensioner come out?

It came with an automatic primary chain tensioner. (I think that Dyna’s started getting the automatic tensioner around 2007.) If you have been following the ‘Harley automatic primary chain tensioner’ topics on the web and in the various Harley forums that there are volumes of conflicting information about this particular part.

Is there slack in the chain on a Harley Davidson?

There’s usually no slack in the chain to be measured when using one of the newer type retrofits in an older bike. I personally don’t like the new design because they run too tight and can cause damage to seals and bearings but that’s just my personal opinion and they will have a habit of being noisy because of the tightness.

How much primary chain oil does a Harley Davidson use?

32oz primary chain oil (appox.) You need the bike level when you fill the primary, so you can be sure you have the correct amount in it. You can use a bike lift, or you can put a block under the side stand so it only leans slightly. It is much easier to do this before you start, than trying to do this when you need to fill it.

When do you need to replace primary chain?

Maybe your shifter seal is leaking, you need to replace your primary chain, you want to access your final belt drive, you need to replace your primary chain tensioner, you want to install forward controls, or for any other reason. If you appreciate the content we put out and want to make sure it keeps on coming your way then become a Patron too!

How big should the chain be on a Harley Davidson Sportster?

For a big twin it should be 5/8 to 7/8 inch (16 – 22 mm) when the engine is cold, and for a Sportster it should be 3/8 to 1/2 inch (9.5 – 12.7 mm) when the engine is cold. This measurement is for the TIGHTEST section of the chain, and chains do sometimes wear unevenly and get stretched in places.

How to adjust the Primary Chain on a Harley-Davidson Evolution Sportster Motorcycle Engine As you can see in the videos above, to check the primary chain tension on your Harley, you need to remove an inspection cover, which has a reusable rubber gasket.

Maybe your shifter seal is leaking, you need to replace your primary chain, you want to access your final belt drive, you need to replace your primary chain tensioner, you want to install forward controls, or for any other reason. If you appreciate the content we put out and want to make sure it keeps on coming your way then become a Patron too!

32oz primary chain oil (appox.) You need the bike level when you fill the primary, so you can be sure you have the correct amount in it. You can use a bike lift, or you can put a block under the side stand so it only leans slightly. It is much easier to do this before you start, than trying to do this when you need to fill it.

For a big twin it should be 5/8 to 7/8 inch (16 – 22 mm) when the engine is cold, and for a Sportster it should be 3/8 to 1/2 inch (9.5 – 12.7 mm) when the engine is cold. This measurement is for the TIGHTEST section of the chain, and chains do sometimes wear unevenly and get stretched in places.