M6 chain tensioner question
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Stellar HDF Member
Joined: Jul 2014
Posts: 2,721
Likes: 243
From: NC
M6 chain tensioner question
When I installed the new primary chain and M6 auto tensioner instructions said to set initial spacing at .625", with 2 shins I was right at .624 and called it good. What I'm noticing is the bike won't drop into neutral while running but will when turned off. I've readjusted the clutch cable with no luck.
I'm thinking I need to remove a shim and loosen up the primary chain. Can any of you that have gone this route give me some advice?
This is for my '96 Road King. Thanks!
I'm thinking I need to remove a shim and loosen up the primary chain. Can any of you that have gone this route give me some advice?
This is for my '96 Road King. Thanks!
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Your primary chain may have a tight spot (most of them do). Carefully turn the primary over until you find that and set your M6 spacing at that point. After a while the chain may well bed in and you find you need to reset it.
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
When I installed the new primary chain and M6 auto tensioner instructions said to set initial spacing at .625", with 2 shins I was right at .624 and called it good. What I'm noticing is the bike won't drop into neutral while running but will when turned off. I've readjusted the clutch cable with no luck.
I'm thinking I need to remove a shim and loosen up the primary chain. Can any of you that have gone this route give me some advice?
This is for my '96 Road King. Thanks!
I'm thinking I need to remove a shim and loosen up the primary chain. Can any of you that have gone this route give me some advice?
This is for my '96 Road King. Thanks!
New chains don't generally have tight spots.
Seasoned HDF Member
Joined: Jul 2014
Posts: 8,604
Likes: 3,375
From: Cental, MI
I wouldn't use a spring if it was Free... But, I been adjusting chains for a very long time... If you look at a Performance Harley, No Springs... control yes... but Not spring loaded...Kinda like Wavy Washers in Shovelhead Rockers to me.....
Road Warrior
Joined: Apr 2016
Posts: 1,529
Likes: 933
From: Long Island
From what I recall, I believe it was 5/8” at the bottom gap from the shim to bottom of the shoe.Mines been in for almost 40k w/o a problem. May need to go over the clutch adjustment ? Also check your throw out bearing?
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Stellar HDF Member
Joined: Jul 2014
Posts: 2,721
Likes: 243
From: NC
Originally Posted by 86glider
From what I recall, I believe it was 5/8” at the bottom gap from the shim to bottom of the shoe.Mines been in for almost 40k w/o a problem. May need to go over the clutch adjustment ? Also check your throw out bearing?
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Grand HDF Member
Joined: Jun 2005
Posts: 3,711
Likes: 3,438
From: SW WA.
I ended up going back to a standard shoe after monkeying around trying to find a happy place in the adjustment on the M-6.
Waste of money IMO.
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Seasoned HDF Member
Joined: Nov 2006
Posts: 5,894
Likes: 1,908
From: East Coast, USA
EVO's have a manual primary chain adjuster and some people want to convert it to an automatic (spring) adjustment system.
Twin Cam's have an automatic primary chain adjuster and some people want to convert it to a manual adjustment system.
You can't please everyone
Kept my manual adjustment system in my EVO
Installed a manual adjustment system (Baker) in my Twin Cam.
Just wish I had an inspection cover in my outer primary cover on the Twin Cam!
Twin Cam's have an automatic primary chain adjuster and some people want to convert it to a manual adjustment system.
You can't please everyone
Kept my manual adjustment system in my EVO
Installed a manual adjustment system (Baker) in my Twin Cam.
Just wish I had an inspection cover in my outer primary cover on the Twin Cam!
Stellar HDF Member
Joined: Feb 2007
Posts: 2,558
Likes: 280
From: Russellville, Arkansas
EVO's have a manual primary chain adjuster and some people want to convert it to an automatic (spring) adjustment system.
Twin Cam's have an automatic primary chain adjuster and some people want to convert it to a manual adjustment system.
You can't please everyone
Kept my manual adjustment system in my EVO
Installed a manual adjustment system (Baker) in my Twin Cam.
Just wish I had an inspection cover in my outer primary cover on the Twin Cam!
Twin Cam's have an automatic primary chain adjuster and some people want to convert it to a manual adjustment system.
You can't please everyone
Kept my manual adjustment system in my EVO
Installed a manual adjustment system (Baker) in my Twin Cam.
Just wish I had an inspection cover in my outer primary cover on the Twin Cam!
Harley deleting the inspection cover.....yea I never understood that. Now they cant sell any accessory cover there.
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