Gear Indicator

SaltCityCafe

SaltCityCafe

Been Around the Block
I am lookimg at several gauges for my project, and a lot of them have a feature that lets you know what gear you are in.

I know its probably a long shot but is there a way to use this feature with my cb750 k1?
 
Not that I know of. Bikes with gear indicators have a position sensor down on the gearbox where the neutral indicator is. I've never seen one retro-fitted to a bike that didn't have one standard.
 
Yes you can provided you have replaced your mechanical speedometer with an electronic speedometer. Todays gear indicators function on the relationship between speed of the wheel and rpm of the motor.
 
No...those after market gear positioners look at engine RPM vs speed. If you shift while standing still, clutch pulled in, it will not register the shist. Some of the better ones look at the nuetral switch for reference, but still use the RPM vs speed. They have to be "Trained" as the RPM vs speed is different for all bikes.
 
On GT Suzukis there was a slot in the end of the shift drum that engaged in a simple rotary switch to send power to different elements.

That ebay offering appears to use two proximity switches to recognize motion of the shift lever. Double shifting for a missed shift would most likely be a problem.

Funny thing is that some of us blank those off on our GTs because it's not so hard to work out what gear the bike is in. They are particularly useful for EFI where the fueling can be different in different gears to control power. We need all the power we can get just to stay ahead of our own shadows.
 
After looking at the one in the ebay link, although I did recognize the joke, I think as a last resort option it may work. The trick would be the spacing ofmthe sensors. You would have to get it jist right so that you would eliminate false positive shifts. I think you could position them so that the sensors would only register at the limits of the shift lever.

Really the only reason I am curious or care about this the gauge I am looking at has that and a fuel gauge and other features that I would probably not use so was just trying to make use of them if I can
 
mydlyfkryzis said:
No...those after market gear positioners look at engine RPM vs speed. If you shift while standing still, clutch pulled in, it will not register the shist. Some of the better ones look at the nuetral switch for reference, but still use the RPM vs speed. They have to be "Trained" as the RPM vs speed is different for all bikes.
Click to expand...


http://www.ebay.com/itm/HealTech-GI-Pro-X-Type-Gear-Indicator-Univ-for-models-w-o-digital-Trip-odo-/281497432880?pt=Motorcycles_Parts_Accessories&hash=item418a8df330&vxp=mtr

This one looks interesting. I am curious though about if it would work taking the rpm from the coils rather than the ecu, if I am understanding its installation correctly anyway. Also I wonder if instead of using its display would wiring it into my gauge still display?

And since I am already going to be using a wheel speed sensor and taking the rpms off the coil would I just be able to piggy back off them and make that work?

I know this is probably a lot more complicated and more work than its worth for something so trivial but I can't be the only one who would kinda like it.
 
teazer said:
Funny thing is that some of us blank those off on our GTs because it's not so hard to work out what gear the bike is in. They are particularly useful for EFI where the fueling can be different in different gears to control power. We need all the power we can get just to stay ahead of our own shadows.
Click to expand...

The Suzuki display often failed after second wash ;)
On a street bike it just tells everyone you don't know what your doing so need gear indicator. ;D
 
Paint the number 1-4 on your fingers and every time you shift put a finger on the clutch lever. You should be able to pull it with one finger to start with, then two, then three, then four....boom... hahaha

Seriously if you don't know what gear you're in then just shift all the way up till you hit "top". If you go the other way and try to find neutral you could hit a clutch slip either by hand or failure into a low gear at high speed and that generally is a face-to-pavement incident.
 
As I said before.....it's not a matter of not being able to tell what gear I am in, Im not a moron. The reason I am curious at all is because the gauge I plan on using has this feature so I wanted to take advantage of it.
 
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