he wants to use a cb900f dash to go with the donkey he's running, hence the questions to get the speedo in the original dash running, either cable operating option, or inserting a digital speedo into the existing dash Drew.Originally Posted by Drew
Forum whore
he wants to use a cb900f dash to go with the donkey he's running, hence the questions to get the speedo in the original dash running, either cable operating option, or inserting a digital speedo into the existing dash Drew.
Ta
That's what I was getting at.
Forum whore
so it would need to be able to fit in behind what is there so the clocks still look the same and the ratio is still the same too
Fair weather rider
at this stage I am going with the cb750fa dash and a honda 400 speedo drive of the front sprocket . Hopefully the ratio may be close. My next trick is to find a 6inch headlight, I think the cb 7inch will look a bit big
C'mon lets ride....
Ratio willl be different I linked to a page with various ratios above. Fa dash is the same as the dohc k series dash iirc.
Fair weather rider
I missed that ratio chart the first time but good info thanks. interesting that some Hondas of the era had 7"1 even those wheel driven . I think the sprocket drive (7:1) is the best for packaging and If I need to get the ratio correct in the future.(as long as I get a cert/wof it may not worry me) I may be able to transplant a 7;1 speedo in to the 750fa(4;1) dash
C'mon lets ride....
Ian I've got a CB900 Top gasket set if you want it. Can pick it up if you are over this way or I could drop it off this weekend if it suits. Just PM me your address details and suitable time.
C'mon lets ride....
Yeah Honda under 750cc bikes all had a different ratio that is why I can use a CB400/4 instrument set on my CB550F (7:1 ratio). CB750/900/1100 ratio is 4:1 btw.
Anorak
personally i would just redo the instrument display sticker .
you can actually leave the drive as is and make a sticker. Or as you say just use a drive of that ratio as they are fairly generic i have done that with tachos before MB5 tacho in XL100s housing.
the VF etc had tachos with different electrical configs you can alter built in.
Another thing is the cbr ratio might be 7:1 but its before an approx 3:1 rato secondary drive for the chain
so it might disply the same as at 4:1 ratio wheel driven speedo anyway
Kinky is using a feather. Perverted is using the whole chicken
Ta
The ratio on the digital ones is set by wheel circumference.
So do the maths on the sprocket ratio. Then use that division factor on the wheel circumference and enter it.
Accurate to the mm speed reading.
Ta
Like this one.
#Aliexpress NZ$ 21.52 30%OFF | DC 12V Universal Motorcycle Odometer Speedometer Tachometer Motorbike Refit Vintage Instrument Scooter Motor Retro Black Meter
https://a.aliexpress.com/_dVcNk28
That might be cable actually.
This isnt...
#Aliexpress NZ$ 72.03 29%OFF | Motorcycle digital odometer universal LED indicator light multi-function tachometer meter
https://a.aliexpress.com/_BfjegfCc
Forum whore
the whole point of using a dash to match the bike is to look the part. I think the aim is to reatin the look and fit shit in behind it to make it work, and look the same, at least that's the way i'd be heading and read it
Forum whore
As long as the thread is currently about speedos, anyone know of a speedo cable outer about 1.0 - 1.1 metres long and which would fit Suzuki speedo drive and speedo (specifically 1982 GS models)? The current cable is 950mm and needs a little extra length to clear the different calipers now installed.
it's not a bad thing till you throw a KLR into the mix.
those cheap ass bitches can do anything with ductape.
(PostalDave on ADVrider)
Forum whore
the speedo place in wingate, or a gs1000l one maybe? have you been on thegsresources and asked about lengths?
C'mon lets ride....
L series GS/GSX speedo cable... Most likely available from Motion Pro. https://www.motionpro.com/c/cables/
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