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GL1100 Engine2
GL1100 Engine2

An online source dedicated to Honda's amazing four cylinder Goldwings!

Renewing GL1000 OEM swing arm bearings

The procedure is as follows;


With the bike on the centre stand or supported under the engine and frame


1) remove rear wheel and tie up the brake caliper out of the way


2) undo right shock bolt


3) remove final drive pumpkin


4) remove circlip from inside splined joint and remove the splined joint


5) peel back the rubber boot from the arm at the universal joint


6) undo left shock bolt but leave bolt in to support the weight for the moment


7) remove the rubber covers from each side swing arm nut.


8) undo the two large locknuts. They are only locknuts so they don't need to be removed


9) put an axle stand or something similar central underneath it at the pivot end to catch the weight of the arm


10) with a large allen key unscrew the pivot bolt from each side. Again, they don't need to be unscrewed right out, you will feel the arm     drop when each one is out far enough.


11) pull the left shock bolt out, pull the arm to the rear remembering that the prop shaft is still there.


12) catch prop and tie it up out of the way.


13) put your new bearings in the freezer while you do the next lot.


14) this is the bearing layout Image


ignore the notes on the image since you have already bought your bearings.


15) pull off the rubber bearing seals


16) slide out the pivot collars 52141-371-000. Check the condition of these as they form the inner race of the bearings. If they are damaged in any way replace them.


THEY ARE NOT AVAILABLE NEW OEM ( Well, not that I have found anyway, but I can now supply this part. Go to New Products page).


17) the pivot thrust bush 52109-371-000 is next. Be VERY carefull with these as they are brittle and break easily and guess what?


THEY ARE NOT AVAILABLE NEW. I was lucky and mine came out easily.

( Again, I can now supply an alternative to this part. Go to New Products page).




If they are tight I would do it this way.


18) warm the bearing housing with a propane torch or similar and using a punch that will go through the thrust bush punch one bearing into the swing arm. Retrieve the bearing from the shaft tunnel


19) using a long piece of round bar through the thrust bush GENTLY knock out the other bearing and thrust bush out from the inside.


20) carefully, using a socket or similar that just slides into the swing arm on your long bar or socket extension, VERY gently knock out the remaining thrust bush from the inside.


21) give everything a good clean


22) get new bearings from the freezer, heat up the swing arm again ( it needs to be fairly warm), grease the outer surface of the bearing and tap the bearing into the housing using a suitable sized socket until the bearing sits flush with the outer edge of the swinging arm. It should be no tighter than a firm push fit.

Any tighter than that and you will cause distortion of the bearing when you tap it in. If it is, it means either the swing arm is not hot enough or the bearings are not cold enough, or a combination of the two.


23) repeat for the other side


24) lube the bearings with molybdenum disulphide ( MoS2) based grease such as used in auto CV joints


25) check the condition of the pivot bolt 90121-371-000. These are available new.


26) unless they are damaged, do not attempt to remove the pivot nuts in the frame that the pivot bolt screws through. They are fitted extremely tightly into the frame housing.


27) lube and insert the thrust bushes and the pivot collars and replace the rubber dust seals. If your seals, 52145-371-000, are damaged or missing it is very difficult to find new OEM parts. I able to supply new versions of these.

28) re-assemble swing arm by reversing above procedure


29) the adjustment of the pivot bolts is critical.


First, screw the pivot bolts into the frame with the locknuts on them such that there is about two threads of the pivot bolt showing to the outside of the nuts. Screw the right hand bolt in and tighten the nut so that there is only about one thread showing.


Screw the left bolt in and tighten to 7ft/lbs. Then tighten the locknut.


Check that the arm moves up and down freely. If not, slacken the left one off a fraction until it does.


30)  When you put the final drive back on, put the wheel spindle in and tighten to line everything up before you torque up the drive unit nuts.

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J G Evans

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