Replacing Honda CB500 speedometer and tachometer face plates

15 Фев 2015 | Author: | Комментарии к записи Replacing Honda CB500 speedometer and tachometer face plates отключены
Honda CB 100

Replacing Honda CB500 and tachometer face plates

by Backus


The finished on the Motorcycle Classics Cafe, complete with face plates. Pretty eh?

If you’re old Honda has spent any in the sun, it’s a pretty bet the speedometer and tachometer face are cracked and faded. Thirty-some odd out in the elements will do that to a The good news is, you can make face plates look new – or give them a personalized – and it’s not as hard as you think.

what we started with. typical, really, and pretty really.

As part of our Project Café. the 1973 CB500 Four we’ve transformed from a tired ready for the parts bin or the junk into a gleaming, lovely café for the street, we decided to up the bike’s clocks. We’d tried disassembling a set of Honda so we went into this as as the next guy. And while it takes a little time and we discovered it’s a project in reach of the average guy.

for us, the telling of this tale got let by technology, or maybe just bad practices,” you decide. I documented the process, taking pictures of the and tach from start to as we worked through, but an unexpected and devastating system failure in my resulted in losing just every pic I took. A few – the ones you see –survived, but that’s all. Had I everything up to a disc, I’d still all my pics.

There’s the “best practices” Fortunately, someone else has documented the job.

It was, in because of Steve Swan’s instructions for disassembling/assembling CB750 on the SOHC Honda CB Motorcycles  that we decided we were up to the The process is nicely documented on the tech pages, and we relied on the SOHC article to get our gauges

As excellent as that article is, are some differences between the gauges and those used on our Thanks to our paucity of pics, it be very instructional to try a comprehensive – you can get that on the SOHC page. I’ll point out some of the we learned that differ the SOHC article and some of the unique to the CB500 gauges.

If going to follow along, you want to print this out so you can to it while going through the article, or put both articles up on pages in your browser and back and forth.

Step Removing the crimp band you’ve removed your from the bike, it’s obvious that the biggest in getting to the face plates is the gauge body, which removing the crimp band the upper and lower parts of the case together. The SOHC suggests using a utility to uncrimp the band, slipping the up under the crimp band from the lower side of the (gauge face facing then using the knife like a miniature pry bar.

We found it was much easier – and – to use a very small screwdriver, prying the band up and with a sideways twist. As the SOHC shows, once you get the crimp to start bending back, in baby steps around the circumference of the gauge, slowly the band open. We ended up our way around the gauge about times, transitioning to a slightly screwdriver in the process, lifting the a little farther with pass until it opened up to slip off the gauge body so we separate the two halves.

Use a screwdriver to pry the crimp band off, up and a little sideways. We started a small screwdriver and then to a slightly larger one, we’d made our first around the band.

Here’s the crimp band should like once it has been opened up. It takes a bit of work to get to point, easily 15 minutes, so be

Step Two: Removing the odometer reset knob To the inner speedometer assembly the gauge case, you first to remove the trip OD reset Unlike the CB750 speedometer, the trip reset knob off its stem, the trip reset on the CB500 is held onto its by a very small Phillips machine screw. In our case it was in place, and wouldn’t screw

To remove it, we took a small bit just slightly smaller the head of the screw. Drilling and gently, we drilled through the head to the body of the screw. The profile of the drill bit lets you most of the screw head the bit hits the screw stem, at point the head should pop The knob then slips and we removed the rest of the screw a small pair of locking

The threads in the shaft were leaving us only to find a metric machine screw to it together on reassembly.

Step Removing the face plate The article doesn’t address the face plate (it focuses on a bad gear), so we called up Honda guru and café fanatic Steve Carpenter at  for The big issue was how to remove the speedo and needles without breaking Carpy told us they’re a press fit on the shaft and come off but who wants to break one once this far along?

Essentially, you to lift the needle straight up and off the but using what? Carpy a pair of pliers, but we discovered the tool; a common dinner Using one of the two screws that the face plate on as a fulcrum, we a regular bladed fork the center of the needle, rested the of the fork blade (the below the fork tines but the handle) on the head of the screw and gently pried down on the handle.

The rocking action by the arc of the fork lifted the needle off I think I need to patent one. Once the needle’s it’s a simple matter of the two Phillips head screws the face plate on and that’s it, off.

Step Four: Replacing the plate Once the face off you have a couple of options. The of course is to replace them out with standard faces. O’Hanlon at Charlie’s Place in San  works with a fellow who perfect Honda replica which is great to know.

Honda CB 100

cool enough, but since our was/is a non-stock café we decided to do something a little so we turned to Carpy. Carpy’s in the Honda café scene as long as anyone, so we weren’t to discover that he’s his own custom face plate Carpy will sell you the straight out, but we opted to our face plates to him.

our specs he made up a custom set of cleaned our old face plates and the new faces. We got them back in a week, and the results speak for They look fantastic and help finish off our café

Carpy can supply just any design you can think of, and Carpy has step-by-step instructions  for the face plates on CB750 on his site. The only place we with him is on removing the crimp which he cuts off – it’s not and then you have to fit a new band or, as does, glue the old band together.

Step Five: the gauges back together We our gauges thoroughly inside and out putting them back They’re not hermetically sealed, so you have to be too … about it. Get clean, and make sure the seal on the upper half is in good shape, maybe it a bit with some WD40 so it go back in shape.

With the gauge in place, the two halves together, followed by the band. Drop it in place from the upper half to the with the end you pried open the lower halve of the case. have to gently push it in Before going any farther, sure the case halves are oriented to each other so the face will be straight you mount the speedo or tach on your bike.

Now, a set of duck-billed pliers and a soft Place the rag between the pliers and the face of the ring (the you didn’t pry up – it has a nice chrome on it, and you really don’t want to mar and gently squeeze the crimp down, putting the pressure on the you opened up and gently rolling the forward to seat the band. Do slowly and carefully and the band crimp in place without the exposed side.

Just removing it, we worked our way around the a few times to get it crimped back

Re-crimping the band takes the kind of patience as removing it. your way around slowly a pair of duck-billed pliers and a rag the finished edge, gently the band while gently the pliers up to help seat the and lock the two halves of the gauge

Here’s a close up of our finished Cool.

Step Six: done! That’s pretty it. Bolt those suckers in the handlebar mounts and you’re in You might have noticed our upper gauge bodies are

Near as we can tell, they’re out of stainless steel. We started off the damaged paint to repaint but once we saw how easily they’d up, we figured to hell with and just polished them up on a wheel. They look and it’s loads easier painting them. If we’ve anything out, please add to our by using the “Comments” feature and us in on what you know. – Richard

A better view of our polished and tachometer. Since our bike’s we didn’t have to worry paint, and frankly, we think the gauges look better paint.

Honda CB 100
Honda CB 100
Honda CB 100

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