First, thanks to ScottW and PeterA
Hooked up with a friendly boy in blue and got the radar gun pointed on me for several passes. I'd 'calibrated' the speedo against the GF's car the night before and adjusted it 5k's back to suit. Ran it against the radar and @ 60 it was 60, @ 80 it was really 78, and at 100 I was doing 98.
Peace of mind now. [I didn't adjust speedo from stock, to -5 KPH, I'd already pre-unadjusted it and had to 'fix'' it.]
I need to fix up my tacho at some point - I seem to remember 110KPH being roughly 3.5k ?
Can someone give me some RPM figures for various speeds/gears?
and cheers,
-jon-
120kph is 4000rpm in 6th I believe.
Are you using a yellowbox to calibrate it?
If so, where is it mounted? What's it cost? Where's it connected?
I'd love to have a mounting bracket attached to the triple clamp so I could just use the GPS, but this is proving difficult.
Peter Altas
BUSA-1
Peter, others may disagree but i think the Speedohealer is better value for money, it has more range of adjustment and is cheaper.
I have one fitted to my bike and it works faultlessly, I mounted mine in the trunk, real easy to mount
if you follow the links below you will find the site to buy it and my pictures how to connect it and another on mounting it.
www.speedohealer.com
www.hayabusa.org speedohealer
Just thought I would let you know, that if you are also adding a digitool or an Acumen Gear indicator unit, when you connect the Speedo signal wire, connect it to the black and yellow wires in the photo (linked from the last post), by doing this you can change the settings on the Speedo healer without sending the Gear indicator out of setting, which would happen if you connect into the loom behind the speedo.
shit I hope that makes sense
Slong in answer to your question about gearing values, this may help
Gearing chart
Thanks for the XLS Ohzone, interesting stuff, spent the last 20 mins looking at what it was doing.
I couldn't get exactly what I needed from it. Scratch that, just played with it more, works sweet. Thanks! According to the formulae from it 120klicks is 4000 RPM in 6th, so thanks Scott too.
Peter - I'm not using a *box of any sort, the gearing/wheels are all of stock size. [You saw my LED mod, I had to take the needles off for that, and needed to put them back on correctly]
90klicks should be 3000 RPM and 3350RPM, 100.
I knew all that, a long time ago.
-jon-
OhzOne,
where did you order yours from?
My speedo is exactly 10% out and pisses me no end. My bike is completely stock and I like it that way, but this is a must have mod I reckon.
Dave Dave
Why buy a box if your bike is stock?
Is it out 10% everywhere? or @ 100k's
How do you measure how much it's out by?
You could do the same as I did and just adjust the needle position, then run it against something acurate to make sure you adjusted it properly.
It's easy to do and you don't go near the circuitry.
-jon-
Your stock bike is out, on average 7% this not only makes your speedo out
(300kmh reads 321kmh on your speedo)
but also adds more kilometres to your odometer than you are actually doing.
I much prefer that the speed I see on the speedo is the speed I am really doing and come resale time, the less Ks the better.
You can measure how much the speedo and odometer is out by using a GPS (for speed and Distance travelled)
to add a healer to your Busa is very easy and if you ever make a gearing change, you can adjust in two minutes
Changing the speedo needle position will not correct the odometer
I bought mine and five others off the Speedohealer site from a guy called Norbert, I buy quite a bit of stuff off the net and he has been the most prompt and reliable.
all six healers I have bought are on Busa's and worked first time with no problems.
Good point Ohzone.
FOr the price [what, ~$70 US] it seems quite worthwhile - anyone in Australia that someone knows of?
I don't think I'll get one myself - I've already got almost 30k on the clock [10 of my own] and don't plan on selling it anytime soon.
These days once a bike has over 20 thou it seems as though a lot of people won't bother, or to put it another way, there are so many Sunday bikes out there that no-one bothers much with the others, or expects a really good/cheap price on a moderately used one.
Of course, if we ever want to buy another bike, at least it'll be easy to get a good one with low k's.
-j-
Slong/Jon,
I installed an accurately calibrated Sigma Targa pushbike digital speedo to the Busa, good for around the 300 mark. From go to flat stick there is a 10% difference in the Busa speedo. I ride now and only ever look at the Sigma readout and not the BIG dial and it pisses me off every glance.
I sit next to Julie on the Aprilia (BIG digital speedo readout) and the Bus shows a 9% error - at least the Italians got something right eh .
Not only does it piss me that when she's off the clock that I'm still only in the 270 to 290 range (it's an ego thing I suppose) but then get shit put on me by my beloved that the only reason the Busa is the FASTEST production bike is cause Suzuki stuck the GST on the speedo as well, grrrrrrr .
Then there is the total distance travelled thing. I don't know how, but this is not 10% out, (only) about 5%, go figure that one. K's are a big factor when and if it comes to selling, but more importantly I like to know things exactly.
Maybe when I can totally harness all the power and glory that the Busa has to offer I will look at performance enhancing mods, (at this stage only the air box, TRE and BTL done), but for now I really enjoy being out there ringing her neck and showing the MOD kings that a standard Bus being riden hard will still usually out do a high mod Bus .
Just my 2 cents worth and opinion.
Cheers all, Dave
But even at 10%, do you think you will lose a sale when your bike has 35000 that is really 31500?? There is a point, where the difference doesn't really matter any more?
On really high mileage bikes, it really doesn't matter.
But for me, I like things to be accurate, for example if I say to someone I have done 300kmh, I prefer that to be true, the fact that the odometer works closer to real Ks is a bonus.
I was on a ride a couple of weeks ago
(On a private road of course)
and we fairly carving up the road and I overtook a Young guy on a Gixxer 600 on a long sweeper, when we pulled up he said and I quote "I thought I was going fast,I had the throttle pegged at *40 and you guys on the Busas past me like I was standing still"
My speedo was reading *30 and I didn't have the heart to tell him.
I don't want to be one of the guys who make speed claims based on speedo's which are totally inaccurate
By the way just for a bit of info, so far every bike and every car, bar my Daughters 94 Supra
(which was spot on the money)
that I have tested against my GPS has been out by 5% to 10%
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