The fi light is flashing constantly when trying to fire up.there is no spark.when tested the fi light gives one long flash and 3 short flashes. thankyou.my zx12r is a uk 2000 model.a1

The three flashes indicate a fault code,are they three long or short flashes? A long flash is a ten and short is a one,so for instance if you have one long flash and two short ones that is fault code 12 if it was three short flashes that would be 3 ect... You will have to Google the fault code numbers to see what they mean ,ie fault code 21 could be oxygen sensor fault.

Check your bike with it parked on the side stand. Count how many times the F1 light flashes. There are two types of flash that it gives off... a long one and a short one! A long flash = 10 short flashes.

So you may get 2 x long flashes and 5 x short flashes = 25 flashes in total.

The codes for Honda ST1300 are as follows. I know yours is a different model but I would have thought they would all be the same across the Honda range.
0 - bank angle sensor, ECM, PGM-FI fuse
1 - MAP sensor
2 - MAP sensor vacuum hoses, or sensor itself
7 - ECT sensor poorly connected or open circuit
8 - TP sensor, TP senspr wiring
9 - IAT sensor connection, or open wire
10 - Baro sensor, or connection, or wiring
11 - Vehicle speed sensor, or connection or wiring
12 - #1 injector connection, or faulty injector
13 - #2 injectior connection or faulty injector
14 - #1 connection or open/shorted circuit
15 - #2 connection or open/shorted circuit
18 - Cam pulse sensor, connection or loose sensor
19 - Ignition pulse sensor, connection or loose sensor
20 - faulty E-PROM in ECM.

nov 6, how'd i miss this..???
not the V6 , right?
as always, check all fuses. (op guide in glove box shows em)
ok the car (USA) has a EFI system with spark too.
this EFI system has 3 parts to make spark. (not counting coil)
crank sensor (the ECU will flash a code if dead, did you looK).
ECU (unliikely but do check the DTCs lamp codes)
Dizzy
Coil.
Got code (DTC) 4,8,9,15, ah bingo?
here are the words in the FSM ( got one yet , they are free too)

On 1990-95 Accord (except V-6) and 1992-95 Prelude, the codes are read from the check engine light after the two-wire service connector has been jumpered. On Accords, the service connector is under the dash on the passenger side. On Preludes, it is located behind the center console. Codes 1 through 9 are indicated by a series of short flashes; two-digit codes use a long flash for the first digit followed by the appropriate number of short flashes. For example, Code 14 would be indicated by 1 long flash followed by 4 short flashes. Codes are separated by a pause between displays. Multiple codes are transmitted in an alternating pattern. For example, a code 3 and 14 would be displayed as 3 short flashes (for Code 3) followed by the separator pause, then 1 long flash and 4 short flashes (for Code 14).
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or RTM? here. free, its all there.... even simple coil tests.
but id bet its not the coil, for sure i dont know, i only tests. and then replace truly bad parts.
http://hondatech.info/downloads/Auto/Manuals/Accord/

i found this. might be the same problem as your atv.

http://www.hondaatvforums.net/forums/honda-rincon/21944-07-rincon-no-spark.html

good luck

i have a uz50 suzuki it turns over but wont spark

I think top cover is faulty it s giveing error 05. if poop up and giving err99
then flash pcb faulty other wise need to replace top cover.

Yes, it's exposed to constant heat half life varies.

Hello,

Check dirty contacts.

Do this test:
Fresh 4 batteries
Turn on and wait until flashing Green Light.
With insulated wire, both ends stripped to 1/4" of bare wire, short one end to Center of flash shoe and the other to metal outside contact.
Make sure flash is not facing at eyes.
Shorting it should fire the flash.
Or connect the PC Cord to flash and short Center Pin to outside.

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Doesnt the crank sensor use the flywheel for its signal maybe the sensor got damaged during the clutch job