well crusing around the streets i know well. i have come to notice cars passing me or me having to go 50 or 55 to keep up with cars in a 45 zone. i know they are not all speeding so whats going on? is it possale for it to be off what could cause this? and how do i fix it?
Ad Widget
Collapse
Announcement
Collapse
No announcement yet.
X
-
Speedos are inaccurate , that's just the way it is . But MOTORCYCLE speedos are NOTORIOUSLY optimistic , sometimes up to 12% . Best thing you can do is find one of those staionary radars and clock yourself . Yeah , it's normal , and sometimes correctible . OR you could just get used to it !
-
If you have a pre-98 Kat, disconnect and clean/lube the speedo cable. It runs from the instrument panel down to the front wheel gearing sprocket. Also check to make sure the end that mates to the instrument panel is square -- if it's rounded off, it won't be turning the speedo sufficiently (in which case it needs to be replaced).
If you have a 98+ Kat, check your sprocket tooth counts -- if it's not stock, the difference affects the speedo reading (which is taken from the output shaft of the tranny, effectively the front sprocket). Two products that I know of exist to correct this on the 98+: SpeedoHealer and YellowBox. The third solution is printing a permanent sticker that overlays your existing speedo dial, but I don't like that solution.
Good Luck!
=-= The CyberPoet
Comment
-
Originally posted by lucky6manthanks cyber its a pre 98 so ill go give cleaning a try
KNOW THIS:
The standard calibration on the front wheel is based on the stock tire that was on it at the time it shipped from the factory, and a change in tire size (outter diameter) can play into the speedo error. The stock legal requirement is for the speedo to be off between 4 and 10% (over-reported speed compared to actual speed) -- this is to compensate for tire wear, tire variations between brands and to ensure that at no time will the bike ever under-report the actual speed (which could open the manufacturer up to liability for speeding tickets and possibly even accidents).
Originally posted by MIBagentQmy kat750 is a 2002
According to my GPS, the speedo is approximately 6% off
basically when the speedo indicated 140 km/h, the GPS indicated 132 km/h
Cheers
=-= The CyberPoet
Comment
-
I don't know why more manufacturers don't set up their speedo pickups like Aprilia. My Tuono's speedo is virtually DEAD ON. The MOST I've seen it off is 1.5 mph and that was in triple digits... (most likely due to the tire actually expanding outward from rotations)
The speedo pickup is mounted near the rear rotor and actually uses the rotor mounting bolts to determine speed.
Comment
-
Originally posted by The CyberPoetIf you have a pre-98 Kat, disconnect and clean/lube the speedo cable. It runs from the instrument panel down to the front wheel gearing sprocket. Also check to make sure the end that mates to the instrument panel is square -- if it's rounded off, it won't be turning the speedo sufficiently (in which case it needs to be replaced).
If you have a 98+ Kat, check your sprocket tooth counts -- if it's not stock, the difference affects the speedo reading (which is taken from the output shaft of the tranny, effectively the front sprocket). Two products that I know of exist to correct this on the 98+: SpeedoHealer and YellowBox. The third solution is printing a permanent sticker that overlays your existing speedo dial, but I don't like that solution.
Good Luck!
=-= The CyberPoet
How does the speedo correcters work? I want to buy one, but I'm not sure what I would have to do.
Comment
-
Originally posted by katloverOriginally posted by The CyberPoetIf you have a 98+ Kat, check your sprocket tooth counts -- if it's not stock, the difference affects the speedo reading (which is taken from the output shaft of the tranny, effectively the front sprocket). Two products that I know of exist to correct this on the 98+: SpeedoHealer and YellowBox. The third solution is printing a permanent sticker that overlays your existing speedo dial, but I don't like that solution.
Good Luck!
=-= The CyberPoet
Obviously, this doesn't work on the pre-98 Kats, since they are directly driven by a gearing sprocket and rotating cable (i.e. - non-electronic). For them, your basic choices are to install a different gear sprocket (which can be impossible to find), a different resistance spring for inside the speedo (again, probably impossible to find), or place a new face on the gauge with the corrections printed on it (such as a stick-on-label with new spacing between the markings).
Cheers
=-= The CyberPoet
Comment
-
Re: speedometer off??
Originally posted by lucky6manwell crusing around the streets i know well. i have come to notice cars passing me or me having to go 50 or 55 to keep up with cars in a 45 zone. i know they are not all speeding so whats going on? is it possale for it to be off what could cause this? and how do i fix it?
Comment
Comment