Question about Harley Davidson FLSTS Heritage Springer Motorcycles

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How to replace rocker bushings on harley springer front end has play in rockers when hitting bumps

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Posted on Jun 25, 2015


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SOURCE: harley davidson springer front end

adjustment is in rockers, not springs; take it to a qualified tech; its not hard but does take practice and knowledge of what you are doing that is pretty tricky to convey in a chat room; springers are cool but very maintenance intensive; don't slack on it, it can be very dangerous...T

Posted on Jul 07, 2009

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SOURCE: clunking noise in front end of harley

would guess that they are not bottoming out, they are topping out. doubt that you get them to full compression on bumps or braking would really be a bad experience, it's more likely that after compression on a bump, the forks spring back out as far as they will go and reach the end of their travel, it's because they aren't very sporty forks and lack enough rebound damping. I have a 2008 1200 sportster and it does it. cure would be maybe thicker oil in forks to slow up the rebound but would also slow the up stroke over bumps. you can get just about evey accessory for a Harley so there's probably a kit available to fix the damping.

Posted on Jul 08, 2009

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Rocker arm specs

Installing the rocker arms and rotating the engine with the valve
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To install the rocker arm support plate, both lifters of the
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Place the rocker arm support plate assembly into the rocker housing. Loosely install the four
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2003 Dyna wide glide making a ticking noise at high rpm's and has gotten progressively worse over the last couple years \

You engine is a pushrod type engine rather than the overhead cam design of most other bikes on the road. All Harley's are designed this way other than the V-rod models. As such, it has rocker arms to open and close the valves. These rocker arms have bushings that ride on steel shafts. These parts wear but the hydraulic tappets take up most of the wear but can't compensate for the looseness at high RPM's. This would be my guess. And, since I can't hear the noise, a guess is the best I can do. To find out if this is the problem, you'd have to take your rocker box covers off and remove the rocker arms and the shafts to measure the amount of wear in all the parts. The rocker arms can be "re-bushed" meaning you can have new bushings installed and reamed out to fit the new shafts you'll need.

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I have a loud tapping in my front rocker box on my 2000 harley 1200 sportster custom i have pulled top and middle covers but the valve springs look fine and pushrods seem fine an thoughts?

I could be the bushings in the rocker arms and the rocker arm shafts. Bring the piston to top dead center on the cylinder that has the noise. Both valves should be closed. Allow about five minutes for the tappets to bleed down on that cylinder. When you can spin both of the pushrods with your fingers, remove the 5/16 inch bolts on the right hand side (pushrod side) of the head. This should allow you to push the rocker arm shaft out and remove the rocker arm. You may have to gently tap the rocker arm shafts out but it should not be difficult to get them out. Do not mix the rocker arms and their shafts up. Keep them together. Check the bushings in the rocker arms and the rocker arm shafts for wear. The bushings can be replaced and use new rocker arm shafts if this turns out out to be the problem. Check the face of the rocker arm where it pushes down on the valve stem for wear as well.

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Sep 06, 2011 | 2000 Harley Davidson XL 1200 C Sportster...

1 Answer

I have a 2001 harley heritage. Wondering how often I should have the valves adjusted. Thanks

Your engine is equipped with hydraulic tappets just like your car engine has. There is no way or need to adjust the valves. If you're hearing a slight tapping noise under the rocker box covers, this is normal. If you're hearing a loud tapping noise that comes and goes, it could be a roller on the end of a tappet going bad and you should have it looked into.

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Jun 01, 2011 | 2001 Harley Davidson FLSTS Heritage...

1 Answer

I have a 99 1200s, After the motor gets hot I have lifter noise in the top end,I was told not to worry about it. Is there any adjustment in the rocker boxes??Or could my motor have solid lifters?

Your engine is equipped with hydraulic tappets and there is no adjustments on them. As the various parts of the valve train wear, the plunger in the tappet takes up the slack. What you are hearing is probable a little clearance in the rocker arm bushings and the shafts they ride on. This is typical of an overhead valve engine design like the Harley-Davidson engine. If it gets too bad, you can take the rocker boxes and lower rocker plate off the engine without removing the heads and have the rocker arm bushing replaced and new shafts installed.

Good Luck

Feb 01, 2011 | 2000 Harley Davidson XL 1200 C Sportster...

1 Answer

Have tapping sound in top end 88 883 sounds like push rod but cant get pressure off valve with elect start looks like rocker is hitting cover could that happen if spring is weak

sounds more like a lifter is not releasing it's pressure. to get the pressure off valve the motor has to be at top dead center compression for that cylinder.both rockers should have some give if at tdc. u can remove top rocker cover to check rockers. if spring is weak the valve won't open al the way or close correctly.

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2 Answers

2002 softail nighttrain twin cam 88 rocker boxes are making noise. noise gets louder as rpms get higher.

You ever had the top end serviced? How many miles on it? Maybe time for a valve job, check pushrods, and lifters. How many miles on the oil?

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1 Answer

Harley davidson springer front end

adjustment is in rockers, not springs; take it to a qualified tech; its not hard but does take practice and knowledge of what you are doing that is pretty tricky to convey in a chat room; springers are cool but very maintenance intensive; don't slack on it, it can be very dangerous...T

Jun 20, 2009 | 2000 Harley Davidson FXSTS Springer...

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