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3456 Olympic Street Springfield Oregon 97478 (541) 688-9543
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Speedo Healer FAQ 1. What does the installation involve? On certain bikes, you need to remove the side fairing or rise the fuel tank to gain access to the speed sensor coupler. If you can do that, the rest is quick and easy. We provide all the parts and detailed instructions to help you make a quick and neat work. - Universal SH kit: 4 wires have to be spliced to the electrical system of the vehicle (Power, Ground, Signal In and Out). All connections can be done at one area, near the speed sensor. - Honda-I kit: simple plug-in install. - Honda-II kit: simple plug-in install. - Kawasaki-I kit: simple plug-in install. - Kawasaki-II kit: simple plug-in install. - Suzuki kit: simple plug-in install. - Yamaha kit: simple plug-in install, but additionally 1 wire (power) has to be spliced in certain Yamaha bikes with low voltage speed sensor.
After the installation, use the on-line calculator to generate the step-by-step programming instructions for your SH. In most cases, reading the User's Guide is not even necessary.
2. Which vehicles is the Speedo Healer compatible with? Please check THIS list.
3. My speedometer is analog, will the SH work with it? Yes, the SH works with both analog (rotating needle) and digital (LCD read-out) speedometers. However, the speedometer must be electronic.
4. How can I tell whether my speedometer is electronic or not? It is electronic, if there is no bowden cable going to the back of the dashboard (usually from the front wheel) but electric wires. All modern motorcycles have electronic speedometer.
5. Will the SH calibrate both my speedo and odometer? Yes, but it is not possible to calibrate them separately, as one speed signal drives both the speedometer and the odometer. You can get 100% accurate speedometer AND 100% accurate odometer only on those bikes, which have zero "speedo-to-odo" error ratio (see FAQ #16) built-in, such as the Yamaha FJR1300. On most bikes, if the speedo is calibrated to be 100% accurate, the odo will register slightly less miles. While this can be annoying in certain situations, one can always calculate the real distance easily after a long trip. Alternatively, of course, you can get the factory default indication regardless of the used sprocket ratio: accurate odometer and slightly optimistic speedo. With our on-line calculator, you can optimize the calibration value easily for either speedo or odo.
6. Will the SH fix my speedometer in the entire range? Very likely, as all modern motorcycle speedos have none, or very little linearity error. You can check the linearity error of the speedometer with your SH. Download Video-1 (digital speedo) or Video-2 (analog speedo) to see how it works.
7. I use a different re-calibrator on my CBR600F4i and the speedometer jumps up and down by 1-3 mph at steady speed. Will your SH be better? Absolutely. The SH uses 32bit real-time arithmetic and 0.001 correction steps , therefore it won't cause any side-effect.
8. I use a different recalibrator on my GSX-R1000 and at very low speed, the speedometer stays at zero or jumps around. Unlike the SH, other calibrators simply do not drive the speedo below a certain frequency. With the SpeedHealer, there is NO speedo lag, even on takeoff.
9. According to other manufacturers, correction steps finer than 0.5% aren't useable. The SH use 0.1% steps. 0.1% makes a whole number difference when the speed signal is close to boundary. E.g. at 60.1 mph, the indicated speed would be 59 with other calibrators and 60 with SH. Finer steps and higher accuracy also prevents the visible rounding effect (see FAQ #7).
10. I disconnected the SH/removed the battery, do I need to program the SH again? No, the SH retains the settings even if disconnected, as the values are stored in Flash memory.
11. In what regard is the SH the best among the competitive products? - Widest calibration range along with the finest increments - Widest in- and output frequency range - The most accurate calibrator - Top Speed Memory function included - Mile and kilometer conversion without any affect to the selected calibration value - Quick and easy set-up through the on-line calculator, no need for math and special look-up table - Plug-n-Go Kits are available for Japanese bikes - The selected values can not be changed unintentionally - Smallest power consumption - All leads are protected against improper installation and noisy signals - Compact and robust design, 100% weather proof - Detailed documentation and excellent customer support - The best value for money
12. What can I use the SH Test functions for? - To test whether the SH works correctly either on or off of the vehicle. - To confirm that the installation was successful (Refer to your install guide) - To determine the exact error ratio between your speedo and odometer (See FAQ #16 and #17) - To check whether your speedometer error ratio is linear in the whole speed range (See FAQ #6)
13. I changed the front/rear sprocket on my bike and my speedo reads the same at a given rpm. So do I have more speedo error? Yes. The speed sensor is reading the revolution of the countershaft, therefore the speedo vs tacho readings will be always the same. However, with a shorter sprocket ratio, higher rpm is needed for the same real speed, i.e. the speedo error is increased.
14. Can I buy another harness for my SH? Yes. Please contact the distributor in your country.
15. I have a GPS unit (or a Bike Computer) installed on my motorcycle, is there any reason to buy an SH? Yes: - GPS receivers and Bike Computer have a huge lag, therefore can't show the real momentary speed. The sensors of bike computers make only 1 pulse per wheel revolution while the vehicle's original speed sensors can make more than 80. The SH could process speed signals at least 800KPH / 500MPH in real time, thus it won't increase the display lag at all. - When your odometer shows more mileage than the actual, you pay for it when you sell the bike. - When the vehicle is equipped with fuel consumption meter, top speed, average speed or other extended functionality, having the sensor calibrated becomes even more important. - Reading from the small bike computer screen can be hard and unsafe, especially at high speeds or low light conditions.
16. What is the "Speedo-to-Odo error ratio"? There is one speed signal which drives both the speedometer and the odometer. However, the manufacturers make the display units such a way that the speedometers usually read high, while the odometers are quite accurate on stock vehicles. Speedo to odo error ratio is the quotient of the indicated speed, and the speed which drives the odometer internally. This error ratio is fixed in the dashboard logic, i.e. it's bike model specific and will be constant no matter what you change on your bike. The speedo to odo error ratio is almost the same as the initial (factory) speedo error, considering that the odometers are usually accurate on stock vehicles.
17. How can I determine the factory speedo-to-odo error ratio on my motorcycle? You can easily measure this with your SH: - Switch the SH into test mode (#1 ON, the rest: OFF) - Turn on the ignition and the RUN switch - Press the SH's button several times until you get a high reading on your speedometer (e.g. 258 km/h), BUT avoid using the highest number that your speedo can indicate (e.g. 299km/h, 185mph, etc.) - Start a stopper watch and reset the tripmeter at the SAME time - Stop the stopper watch at a given distance on the tripmeter. For accurate calculations, let it go for at least 10.0 kms/miles. - Turn off the ignition and set the SH into normal mode (all switches in OFF position)
Now, you have the following data: - Indicated speed on the speedometer - The measured distance versus time
Based on these data, you can calculate the "speed by odo" value, then you can compare the speed indicated by the speedometer and the speed which drived the odometer.
Formulas: Speed by odo = Distance / Time x 3600 Error ratio = [ (Indicated Speed / Speed by odo) - 1 ] x 100
See THIS picture as an example. In this case: Indicated speed = 258 km/h Speed by odo = 20.0 km / 293 sec x 3600 = 245.73 km/h Error ratio = [ (258 / 245.73) - 1 ] x 100 = +4.99% --> +5.0 %
As you can see, the speedo to odo error ratio is +5.0% for this bike (CBR954RR). It means that if the odometer was 100% accurate on a stock bike, then the initial (factory) speedo error would be +5.0%.
18. How much impact does the tire wear have on the speedo reading? When riding on a 17" bald tire, the speedo and odometer readings will be in advance by 1.5 - 2% compared to a new tire. To compensate for this effect, we recommend to set the SH calibration value regarding to a "half worn" tire. Those who need very high accuracy should set the SH calibration value for their current tire, and decrease the value by 0.1% (e.g. from -6.5% to -6.6%) after each 500 kms / 300 miles.
19. How can I use the Top Speed Memory (TSM) recall function on the v3.0 unit (also v2.1), and how does it work? Press and release the button on the unit. The top speed is shown on the speedometer for a few seconds, even if the bike is in motion. Keep the button pressed for at least 2 seconds to reset the TSM. Notes: - the TSM retains its value even if the ignition is switched off or the unit is disconnected - the TSM function is disabled in Transparent mode, i.e. the unit has to be programmed first - the odometer always registers proportional to the indicated speed
20. Is there a way to remote mount a button for the Top Speed recall? The SH-EXT model comes with a remote button which can be mounted at the dashboard area while the control unit is mounted out of view.
21. If I set the "km -> mile" conversion mode, will my LCD actually read mph? The indicated speed and distance will be converted, but the displayed units (km/h and km) won't be changed.
22. Will the SH remove the speed limiter of my bike? By calibrating your speedometer that has e.g. +9% speedo error, the limit point will be raised by 9% as well. Usually it means that the limit point will never be reached. If your bike has been tuned for extreme top speed, you may need to use e.g. -30% calibration value or lower. In this case, however, speedometer accuracy will be sacrificed. Also, it must be noted that the SH does not effect the speed limiter on Suzuki motorcycles with gear position sensor.
23. I have an Acumen Gear Indicator (plug-in version) installed. Can it be used together with your product? Yes, the SpeedoHealer can be used together with any aftermarket products. We recommend to connect the gear indicator right after the speed sensor and before the SH, so you won't have to reprogram it.
24. How come that the "Total Speedo Error" is not the same as the "SH Calibration Value" ? Here is an example: If your speedometer reads 120 mph at 100 mph actual speed, then your speedo is +20% fast. Total Speedo Error = [ (Indicated / Actual) - 1 ] x 100 [ (120 / 100) - 1 ] x 100 = +20% To calibrate 120 mph to 100 mph, -16.7% calibration is necessary. SH Calibration Value = [ (Actual / Indicated) - 1 ] x 100 120 x 0.833 = 100; ( 0.833 - 1 ) x 100 = -16.7% Anyway, just do what the on-line calculator tells you to :-)
25. I use the 'Estimated' option for your on-line calculator. After I get the SH Calibration Value, there is a choice to optimize for Speedo, Odo, or Best compromise. Which one is recommended? The choice is up to you, but here is some help: a) Optimize for Speedo: - Use this if you want to compensate both for the sprocket conversion and factory speedo error. -
Speedo will be 100% accurate b) Optimize for Odo: -
This is the default condition for a stock bike. Use this if you want to
compensate only for the sprocket conversion. c) Best compromise: -
Speedo will read slightly higher (by about 2.8% usually) Note: If you have access to a good speed reference (GPS, radar display, etc) use the 'Precise' calculator option for best results.
Please send your questions to support@speedohealer.com |
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