Hydraulic primary chain tensioner
Stellar HDF Member
Joined: Mar 2017
Posts: 3,321
Likes: 1,884
Like I said, I heard good and bad about Hayden or any auto tensioner. But out of curiosity, what was the problem with your stock manual??
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Intermediate
Joined: Sep 2017
Posts: 27
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From: Brooklin, Ontario
Thank you for all of the information. I have adjusted my chain & found that on one notch it measures 1/2", on the next notch it is at 7/8" - both cold. On a short test ride at the 1/2" setting I found the shifting much smoother but I am afraid that it is too tight.
I cannot find ay information that Baker makes their adjuster for the Evolution engine.
The one that I was considering was the hydraulic unit pictured. These work on the action of the chain irregularities causing a slight up & down movement which works a pump in the base - the pressure is controlled by a relief valve so it is constantly adjusting itself. This is similar to how an hydraulic valve lifter works. There are no shims or external springs & installation is simple. My main concern is the quality, particularly of the shoe - most suppliers have offshore units.
There seems to be a number of experienced people that have stuck with the original setup & I am leaning toward that for now & see how the 7/8" play works out.
I cannot find ay information that Baker makes their adjuster for the Evolution engine.
The one that I was considering was the hydraulic unit pictured. These work on the action of the chain irregularities causing a slight up & down movement which works a pump in the base - the pressure is controlled by a relief valve so it is constantly adjusting itself. This is similar to how an hydraulic valve lifter works. There are no shims or external springs & installation is simple. My main concern is the quality, particularly of the shoe - most suppliers have offshore units.
There seems to be a number of experienced people that have stuck with the original setup & I am leaning toward that for now & see how the 7/8" play works out.
Stellar HDF Member
Joined: Mar 2017
Posts: 3,321
Likes: 1,884
The baker is a manual adjuster similar to what u have. Usually one goes from a auto tensioner to a baker. Reason being autoes usually over tighten. I find the tightest part of chain and set to 3/4. A loose chain is a happy chain! I think you will be fine with your stock manual adjuster. Some never have any problems with their autoes, mine was over ratcheting. Some have had great luck with the Hayden. I am wondering why they went to the Hayden from the manual, I am assuming the don't want to check and adjust. I don't find it that much a big deal. Good luck with your choices.
Seasoned HDF Member
Joined: Mar 2010
Posts: 38,586
Likes: 6,435
From: Honah Lee
Thank you for all of the information. I have adjusted my chain & found that on one notch it measures 1/2", on the next notch it is at 7/8" - both cold. On a short test ride at the 1/2" setting I found the shifting much smoother but I am afraid that it is too tight.
I cannot find ay information that Baker makes their adjuster for the Evolution engine.
The one that I was considering was the hydraulic unit pictured. These work on the action of the chain irregularities causing a slight up & down movement which works a pump in the base - the pressure is controlled by a relief valve so it is constantly adjusting itself. This is similar to how an hydraulic valve lifter works. There are no shims or external springs & installation is simple. My main concern is the quality, particularly of the shoe - most suppliers have offshore units.
There seems to be a number of experienced people that have stuck with the original setup & I am leaning toward that for now & see how the 7/8" play works out.
I cannot find ay information that Baker makes their adjuster for the Evolution engine.
The one that I was considering was the hydraulic unit pictured. These work on the action of the chain irregularities causing a slight up & down movement which works a pump in the base - the pressure is controlled by a relief valve so it is constantly adjusting itself. This is similar to how an hydraulic valve lifter works. There are no shims or external springs & installation is simple. My main concern is the quality, particularly of the shoe - most suppliers have offshore units.
There seems to be a number of experienced people that have stuck with the original setup & I am leaning toward that for now & see how the 7/8" play works out.
It is a tad quieter at idle but I really think it has nothing to do with how it shifts or how it fills when you come off the throttle. There is way more drivetrain play in compensator and drive dogs on the transmission gears.
Last edited by Jackie Paper; Oct 6, 2017 at 05:16 AM.
Supporter
Joined: Jan 2007
Posts: 15,788
Likes: 5,625
From: along the shore of Mishigami
The main problem with the Hayden's was when the M6BT07 came out, the springs in the kit were too long and caused too much tension on the chain. The springs have since been corrected, my '13 touring bike sounds good with the unit installed. The HD IMHO would tighten and wouldn't provide any relief in the chain and allegedly pulled the chain so tight it damaged IPBs. The M6 units I have are a different design, and are functioning as advertised. Do your research and good luck.
Road Captain
Joined: Oct 2009
Posts: 558
Likes: 30
From: Clarksville, TN
Thank you for all of the information. I have adjusted my chain & found that on one notch it measures 1/2", on the next notch it is at 7/8" - both cold. On a short test ride at the 1/2" setting I found the shifting much smoother but I am afraid that it is too tight.
I cannot find ay information that Baker makes their adjuster for the Evolution engine.
The one that I was considering was the hydraulic unit pictured. These work on the action of the chain irregularities causing a slight up & down movement which works a pump in the base - the pressure is controlled by a relief valve so it is constantly adjusting itself. This is similar to how an hydraulic valve lifter works. There are no shims or external springs & installation is simple. My main concern is the quality, particularly of the shoe - most suppliers have offshore units.
There seems to be a number of experienced people that have stuck with the original setup & I am leaning toward that for now & see how the 7/8" play works out.
I cannot find ay information that Baker makes their adjuster for the Evolution engine.
The one that I was considering was the hydraulic unit pictured. These work on the action of the chain irregularities causing a slight up & down movement which works a pump in the base - the pressure is controlled by a relief valve so it is constantly adjusting itself. This is similar to how an hydraulic valve lifter works. There are no shims or external springs & installation is simple. My main concern is the quality, particularly of the shoe - most suppliers have offshore units.
There seems to be a number of experienced people that have stuck with the original setup & I am leaning toward that for now & see how the 7/8" play works out.
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