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Odometer/speedo gear drive noise

Julian Sudano

Julian Sudano

Tuned and Synch'ed
GT Contributor
Joined
Jul 25, 2021
Messages
61
Location
Los Angeles, CA
Hi All,

1984 V65 SP

My speedo drive, at the front wheel is making an annoying, and probably not so good noise which gets worse with speed. It's definitely speed related. Before I blow $100 for a new or used part, can anyone advise if there is any serviceability in this part? Perhaps lubrication?

I can't find any diagrams about what the guts of them look like so not sure it's a serviceable part.

Any advice greatly appreciated!
 
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You could try to get some 90 weight oil in there but it would probably only be a temporary help. Also it is possible that a wheel bearing is going bad.
 
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There are no serviceable parts. It’s crimped shut.

If yours is filthy, clean it with a can of spray parts cleaner. I use electronic cleaner only because of uncertainty of brake cleaner compatibility with internal plastics.

Front Wheel Speed Mechanical Pickups, should be well lubricated with a good high-temp grease.

I use a Moly-blend grease in my shop.

I also put some into a plastic bag, twist it like a cake frosting bag, cut the tip off with scissors, and squirt the grease into the spinning arms on the wheel side, the spinning center on the pickup side, and I disconnect the cable and squirt grease into the threaded connector end on the pickup, which I then push inside the unit via compressed air by putting my rubber tip on my air nozzle, and letting the air out enough to push the grease inside.

If you still hear grinding sounds, get a new pickup and keep it well lubricated and clean.

I see these with trouble usually due to high-pressure hand-held water-jet wands from DIY car washes.

High pressure water is the enemy of all motorcycles.
 
Last edited:
scottmastrocinque said:
There are no serviceable parts. It’s crimped shut.

If yours is filthy, clean it with a can of spray parts cleaner. I use electronic cleaner only because of uncertainty of brake cleaner compatibility with internal plastics.

Front Wheel Speed Mechanical Pickups, should be well lubricated with a good high-temp grease.

I use a Moly-blend grease in my shop.

I also put some into a plastic bag, twist it like a cake frosting bag, cut the tip off with scissors, and squirt the grease into the spinning arms on the wheel side, the spinning center on the pickup side, and I disconnect the cable and squirt grease into the threaded connector end on the pickup, which I then push inside the unit via compressed air by putting my rubber tip on my air nozzle, and letting the air out enough to push the grease inside.

If you still hear grinding sounds, get a new pickup and keep it well lubricated and clean.

I see these with trouble usually due to high-pressure hand-held water-jet wands from DIY car washes.

High pressure water is the enemy of all motorcycles.
Click to expand...
Thanks Scott - I'll dig into it this weekend!
 
john zibell said:
You could try to get some 90 weight oil in there but it would probably only be a temporary help. Also it is possible that a wheel bearing is going bad.
Click to expand...
Interesting, I hadn't considered the wheel bearing possibility! It is definitely a rub as it seems to appear once per revolution, rather than a squeal or graunch that I would associate with a bearing that's on its way out...
 
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