Speedo is WRONG!

[liamrae]

Hey,

ive just been riding on my FXR150, and was cruising past one of those radars on the side of the road that display ur speed and tell u to slow down. my dash was showing 55 but the radar clocked me at 46. watever speed i go i always seem to be at least 8km/h difference. is this easy fixed or do i need to take it to the garage?!

Cheers

[Sketchy_Racer]

Hey mate,

ALL FXRs have it... and i wouldnt waste my time getting it fixed. they have a 10% inacuracy normally.

just learn to ride with it. Watch it when you change bikes.. so you don't get snapped like i did.. my old KR150 had the same problem.. so i used to always cruise around at 65 (that was about 55) when i jumped on my brothers bike.. 65 was actually 65! DOH

[steved]

Pretty normal really. That differential may be a little large in general though. You can get a speedohealer (do a search on this website) or you can just mentally adjust.

[Cr1MiNaL]

just do a search for a speedo calibiration unit. I believe u can do it urself. Good luck.

[liamrae]

Sweet as, thanks guys

[avgas]

its and FXR - that speedo is full of hopes and dreams.
it lied in 98 and its gonna lie now

[Rosie]

Mentally adjusting isn't too bad, you get used to it fairly quickly It helps if you have someone else with an accurate speedo, or use a GPS to help you 'calibrate'. Once you've got an idea of your speedo readings at 50, 70 and 110 you can figure out the rest fairly well.
Often speedos will be less accurate at higher speeds, so my KR indicates 140 when I'm doing 110, but only indicates 60 when I'm doing 50.

[carbacca]

i have recorded up to 16k difference between the speedo and GPS on mine

[McJim]

They're made that way so FXR150 riders can say "Cruises comfortably at 105kph" :rofl:

[mdooher]

steved is right...get a speedohealer from www.speedohealer.com. I had an FXR150 and that thing was so simple to use etc... fantastic... You don't realise how much less stressful it is not having to do mental maths.

even when you KNOW your speedo reads 10% high you still slow down going past the cops

[bimotabob]

Hi

Many bikes have high speedo readings - also revcounters are just as bad!
My RG50 speedo reads 10% high at least and my Furano tacho reads 10% high.
A lot of bikes now get really out when sprocket ratios get changed.

Aftermarket ones are often really accurate.

Cheers

[Nasty]

we had that problem with our FXR ... 55 was 50 and 110 was 100 ... I learnt to calculate and worked it out. Wasn't an issue :)

[Hawkeye]

Hey,

ive just been riding on my FXR150, and was cruising past one of those radars on the side of the road that display ur speed and tell u to slow down. my dash was showing 55 but the radar clocked me at 46. watever speed i go i always seem to be at least 8km/h difference. is this easy fixed or do i need to take it to the garage?!

Cheers


Hi Liam,

If your talking about the ones in Tawa forget it. There are 4 of those things around Tawa. One from Linden, one on Duncan St, one by the squash club and one as you come into Tawa from Porirua. Every one of them reads a different speed.
I thought I was having problems with my first bike until I checked them out with both the car and the bike.
I got my wife to do 30, 40, 50 etc in the car with me following. I learnt my speedo and it's descrepancies. I then made allowances for those 4 signs. Don't get too hung up on them. They are only a guide.

[yod]

i have recorded up to 16k difference between the speedo and GPS on mine


yeah i strapped my GPS onto my VFR; it reads high by about 12%
the RF is better, only high by about 7-8%

ya just get used to it and learn to know where the limit is

[Taz]

Hi

Many bikes have high speedo readings - also revcounters are just as bad!
My RG50 speedo reads 10% high at least and my Furano tacho reads 10% high.
Cheers

Like the Yamaha R6 eh? Revs to 17000 RPM!!!! Yeah Right! (Tui Ad) Well done Yamaha.:laugh:

[Paul in NZ]

Every lightweight motorcycle ever made has an inbuilt safety feature like this from the factory.... At the end of the day - who cares how fast it really goes - these bikes are all about the dream and the excitement of future possibilities... If the speedo says it's doing 100 you were doing at least 150 to your mates.... enjoy it....

[phoenixgtr]

Don't worry about it mate. You get used to it. On my FXR I usually did 60 to 65 in a 50 zone and 115ish in a 100 zone. Just guage your speed to the other vehicles on the road

[riffer]

The Tawa ones display your speed?

I thought they only ever said SLOW NOW. :(

[james89000]

Hey one thing i was thinking of, my fxr is all digital, and well if it says im doing 115kph and im only doing 100 .. wont that add on a fair bit of extra mileage that i never covered ?

[McJim]

Hey one thing i was thinking of, my fxr is all digital, and well if it says im doing 115kph and im only doing 100 .. wont that add on a fair bit of extra mileage that i never covered ?

absolutely.

[Fat Tony]

Another vote for a Speedohealer here. Fitted one to my bike a couple of months ago after changing the gearing - 10 minute job. Checked it with a borrowed GPS and it's now spot on.

Our (UK) side of the road 'slow down you're doing...' signs always read inaccurately. There's one near us that states I'm doing 34mph when my calibrated speedo shows 30mph. Just trying to get you to travel even slower than you're permitted to :(

[james89000]

absolutely.

Haha ahh damn,
I might get this calibrated then.

[Pancakes]

Those little speed trailers aren't a police thing, they are ACC I think and lent out to "concerned citizen" groups etc. They don't make money so 10 cents to guess how much is spent on their maintainence.

[NighthawkNZ]

I just my GPS now...

[adamh]

just stay behind cars on the road u cant get pulled over cause the car infront has to be going faster than u lol.

[Hawkeye]

The Tawa ones display your speed?

I thought they only ever said SLOW NOW. :(



:rofl::clap:

[unhingedlizard]

stay behind a car?!! You go wash your mouth out!

[Pancakes]

In my experience if there are 2 vehicles both doing say, 65 in a 50. The cops won't pass the back one to get the front one, you must have gone faster than them to catch them and it's also more work/risk to give someone a ticket for the exact same thing. Even if they have them on the radar they can safely assume your speed was the same if you were doing the same speed. Go to the front of the line of cars and unless your doing something spectacular to make it way more worthwhile nabbing you they'll get the one on the end.

[samgab]

I see there's a new SpeedoHealer, version 4.0.
I'm going to try importing one of these, if the price is reasonable.
None on Trademe ATM.
http://www.healtech-electronics.com/

[Blossom]

the RF is better, only high by about 7-8%

ya just get used to it and learn to know where the limit is

hmm interesting. My vl250 runs about 10% higher than the rf already... makes me a little nervous just thinking that the rf might be high too..
Off to find a gps I think.

[yod]

hmm interesting. My vl250 runs about 10% higher than the rf already... makes me a little nervous just thinking that the rf might be high too..
Off to find a gps I think.

every vehicle (cars and bikes) i've tested has been high, usually around the 5-7% mark

[samgab]

I just went out for a ride on a straight road with my GPS to check the speedo...

It's odd, it doesn't seem like a percentage.
At 50Kph on the speedo, the GPS reads 40.
At 60 on the speedo, GPS reads 50.
At 81 on the speedo, GPS reads 70.

It seems more like about a 10Kph incorrect reading rather than a percentage.

That makes it easy. Just subtract 10Kph and that's roughly your speed, on the FXR, if it's like my one. Have yet to test it at 100Kph....

[TLDV8]

I noticed the DR650 speed reading is around 10% high compared to my GPS but the two odometer readings are very close over long distance.

[NZsarge]

It seems more like about a 10Kph incorrect reading rather than a percentage.

That makes it easy. Just subtract 10Kph and that's roughly your speed, on the FXR, if it's like my one. Have yet to test it at 100Kph....

I have'nt checked the bike speedo against the GPS apart from at 100kph courtesy of Meanie and my speedo read 104kph.
I have checked My GPS against the car speedo though and at 40-60kph the speedo was deadly accurate but above that the discrepancy grew, at 100kph on the GPS is 110kph on the car speedo at it seemed to keep this discrepancy further on up in speed to xxxkph.:lol:

[Nasty]

I just went out for a ride on a straight road with my GPS to check the speedo...

It's odd, it doesn't seem like a percentage.
At 50Kph on the speedo, the GPS reads 40.
At 60 on the speedo, GPS reads 50.
At 81 on the speedo, GPS reads 70.

It seems more like about a 10Kph incorrect reading rather than a percentage.

That makes it easy. Just subtract 10Kph and that's roughly your speed, on the FXR, if it's like my one. Have yet to test it at 100Kph....

Yup that is about right cos I did 110 on my FXR and it was 100.

[samgab]

Well, I just ordered the new V4.0 Speedo Healer online from Ozzy:
http://www.amcmotorcycles.com/index1.html

So we'll see how quickly it arrives, and how well it works.

I just checked, and the speed sensor on the FXR is on the front wheel, near the bearing. the wires follow from the pickup to a 3-wire connector, which the Speedo Healer will plug straight into.:soon: