Tachometer repair

I have a 1981 550 seca, my rpm gage is making a loud buzzing sound. there is a screw loose, I tried taking the gage apart but the front cover will not come off and i'm afraid to break it. Any suffestions on why its making that sound, or are there any replacement tachometers that are easy to hook up. Thank guys

 

airborne82 it's been a while dude! Good to hear from you again.

Which "front cover" are you referring to?

The 550 Seca instument cluster comes apart quite easily, but it's kind of like an onion (or an ogre); you have to do it in layers. And it helps to know which screws to take out and which to leave in place.

Cluster removal and teardown: http://xjbikes.com/Forums/viewtopic/t=14948.html

Instrument rehab: http://xjbikes.com/Forums/viewtopic/t=15303.html

If you can't fix the tach, PM me. I might have one left; I tend to go through them myself for some reason. Got a couple of nice 85mph speedos if you need one of those.

You can also drop an electronic tach from a later bike in there, I have one ready to go into my '83 but I don't have the wiring worked out yet (I want it to be plug-n-play and reversible.)

Easiest thing is to fix your tach or swap it out. I troll eBay for used 550 Seca clusters for "raw material"; they're out there all the time. Never paid more than $30 for one, and I got a couple of REALLY nice ones for like $20 or $30 each.

Ignore the crack smoking fools who think they're worth $100.

 

There's another one that needs to be converted to PDF. Maybe I'll do that tonight and see how well Open Office's "export to PDF" function works. I know I did the one for the 750J's "atari cluster".

That one I made up a while back. Helped me cure my howling speedo, it did.

 

Thanks BigFitz52 Those links help out alot!