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Speedo-tach gauge disassembly

D

DaveR

Forum Mentor
Past Site Supporter
The needle tips would look much better with a tab of bright new flame orange paint. Can the gauges be opened to do this? The way in doesn't appear obvious.
Thanks, DaveR 1979 GS1000

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Dave, there are at least a dozen articles talking about how to take these apart including one from Pete lately concerning cleaning his up. You'll have to pry them apart carefully so search for those articles and you'll get the insight.
 
Of course, I should have known that every question has been asked before. Thanks for the gentle reply Cowboy, you could have said UTFS.:D
 
put them face down on a towel and use a small flat tip to pry the crimp on the bezel ring up....go a little at a time all the way around and keep going till the crimp is up enough to remove from the plastic housing. Then remove the bezel ring and your all set. You can gently recrimp with a flat end of a steel rod..gently tap it all back down. If it doesnt get perfect, you wont see the back edges once they are reinstalled in the guage housing. Clean the nylon gears and add a dab of new lube to them while your in there.
 
Just one thing I found was I couldn't get enough purchase under the lip for leverage to start prying the bezel off.

I nipped it with some side cutters to get a start.

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I referred to many threads when doing mine, but still had to start a thread about removing the trip meter reset knob because it seems there are several different attachment methods for them... mine was threaded with a left hand thread in the end.
 
Lots of good advice here. After buggering up other things and finding that chasing down or making parts is a PIA, I didn't have the courage to continue with the twist the screwdriver on the bezel method after seeing the flex in the 32 year old plastic housing.

The tip of this old screwdriver was ground thinner on the bench grinder, then clamped in a vice, heated with a propane torch and peened over with a hammer. Three complete rounds, moving 3/16" along each time, levering gently and success.

I am going to ride this bike next spring. :)

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Thats the ticket..thanks for posting the pic of the tool and its application..yet another "GS SPECIALTIES" tool
 
After rebuilding your clocks, you could hang it on the fridge as an adult beverage opener! :D
 
Pete, your tool is intriguing and innovative. Have you not had issues with cracking the plastic when using a hook tool to pry up the bezel rim?

Poorly phrased question I know as you would have mentioned the problem but wondering if you were forced to address the issue?

Are you using the tool to pry axially or twisting the tool in order to "rock" the tool in order to lever the rim?

I also find that nipping the rim in order to find a place to begin is necessary in most cases whether on a bike, Brit sports car or boat speedo. A pair of small end nippers is my main tool but will revisit the idea of prying as your tool's shape may aleviate that issue. Hoping you will offer more thoughts/experience.....
 
DaveR said:
Lots of good advice here. After buggering up other things and finding that chasing down or making parts is a PIA, I didn't have the courage to continue with the twist the screwdriver on the bezel method after seeing the flex in the 32 year old plastic housing.

The tip of this old screwdriver was ground thinner on the bench grinder, then clamped in a vice, heated with a propane torch and peened over with a hammer. Three complete rounds, moving 3/16" along each time, levering gently and success.

I am going to ride this bike next spring. :)
Click to expand...

Well done Dave! I like your ingenuity... if only I had've thought of something like that last week :rolleyes:
 
Sorry, Pete & Dave, I asked the questions of the wrong party.:o

Still interested in feedback....
 
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