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1982 Honda GL500I Silverwing
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Discussion Starter · #1 ·
Hi, I have a question about the engine oil filter housing on a '82 SilverWing Interstate. Prior to performing an oil/filter change, I checked the FSM and saw this diagram:
World Font Slope Rectangle Parallel

Then when I removed my filter housing to replace the oil filter, I did not see the spring/washer shown in the pic.
I looked carefully to see if they were stuck inside the case or in the old filter, but could not see them.
For now I just installed the new filter and housing exactly as it was.
Bike ran fine before the oil change and also after with the Oil Pressure light switching off after a few seconds from restart.
Just wondering about the "missing" spring/washer...
Thanks for any input!
 

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1982 Honda GL500I Silverwing
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Discussion Starter · #2 ·
P.S. After poking around in the forum for a bit I saw an old post/thread that shows 2 different lenghts of the filter housing, so just to clarify my filter housing is a hair over 54mm in length...
Zero metal debris in old motor oil by the way.
 

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Yes. If the filter isn't pressed up against the front cover by the spring the filter is effectively bypassed.

The washer keeps the spring from spiralling into the filter leading to the same situation.

These parts are often missing, especially the washer which tends to stick to the filter and be thrown out with it.
 

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You definitely want to get the spring and washer in there. Not having the spring is essentially the same as running without the filter. This spring doesn’t have anything to do with the oil bypass valve. The bypass valve and all of its components are located inside the bolt that holds the oil filter cover in place.
 

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Discussion Starter · #8 ·
You definitely want to get the spring and washer in there. Not having the spring is essentially the same as running without the filter. This spring doesn’t have anything to do with the oil bypass valve. The bypass valve and all of its components are located inside the bolt that holds the oil filter cover in place.
Thanks, Doug, just ordered both parts so that I can correct the issue. Luckily engine oil was changed twice in the past 3 months with less than 300 miles put on her so, hopefully, no internal damage.
I appreciate all the help I am receiving here on the forum!
 

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1982 Honda GL500I Silverwing
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Discussion Starter · #9 ·
Sunny and 29 degrees F so perfect weather to be out in the driveway freezing my ass while I installed the spring and washer. Put the bike on the centerstand and shimmed the front wheel up to minimize loss of oil while I undid the filter housing. Managed to complete the job without too much hassle. I plan to put a couple hundred miles on this oil/filter then change it again in case there was some debris floating around the motor left over from running the filter without the spring.
Happy Thanksgiving, everybody!
 

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1981 GL500
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Sunny and 29 degrees F so perfect weather to be out in the driveway freezing my ass while I installed the spring and washer. Put the bike on the centerstand and shimmed the front wheel up to minimize loss of oil while I undid the filter housing. Managed to complete the job without too much hassle. I plan to put a couple hundred miles on this oil/filter then change it again in case there was some debris floating around the motor left over from running the filter without the spring.
Happy Thanksgiving, everybody!
Any debris in the motor will be captured by the filter in short period of time. No need to change for that given reason.
 

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1982 Honda GL500I Silverwing
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Discussion Starter · #11 ·
Any debris in the motor will be captured by the filter in short period of time. No need to change for that given reason.
You make a good point, but out of curiosity, when Spring arrives, I want to change oil & filter again and take a good look at the current one to see what, if anything, is stuck in there. Just for the hell of it. During winter time I won't probably get to ride the Honda more than a couple hundred miles here and there. Winter is when the Ural sidecar rig really comes thru!
 

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You may not find anything embedded within the filter. Most of the time any debris will be simply floating around within the filter housing...
 
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Im still a fan of magnetic sump plugs...tho others will argue aluminium is not magnetic, so of lesser use in bikes.
But my 1980s and beyond BMW bikes had these as standard...sump...gearbox...and final drive.🧙‍♂️
 

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81 Gl500i 83 CX650E 96 St1100
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Most of the moving bits are steel and magnetic.
 

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Fwiw...The rear drive plug always has a good coating of a black "micropaste" (no flakes) at interval oil change....

(*The aluminium thoughts may have been more those loose cam chain associated shavings and use of magnets on the filter housing in past discussions)
 
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