hayabusa ref/sync mode

Discussion and support for MoTeC's previous generation ECUs.

hayabusa ref/sync mode

Postby dragcar2007 on Tue Jun 21, 2011 7:55 am

I installed an m800 on suzuki hayabusa bike.Some difficulties with the ref/sync mode.Anyone can help on this???
dragcar2007
 
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Re: hayabusa ref/sync mode

Postby insomnia on Tue Jun 21, 2011 8:19 pm

Hi Dragcar2007,
Do you have 8 or 24-1 pulses? Year model from the engine? Stock coils? Ref and Sync sensors? Send me PM
with more details and i hope i can help you to start the engine.
Regards
Francois
insomnia
 
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Re: hayabusa ref/sync mode

Postby dragcar2007 on Sat Jul 02, 2011 7:24 am

I have 24-2 magnetis and one cam tooth hall sensor.Engine starts and runs but the sync position % is at 86% range when as far as I know it should be between 20-80 %. Sometimes when starting I get sync errors.Also today I found out that sudently the 1 secondary injector works a bit at idle itself without any reason so cylinder 1 works rich.new injector new lines from motec ecu (m880) problem still exists it looks like that 1 sec injector drops like 10 % fuel itself at idle.ignition timing is correct at idle and 4000 rpm.430 whp at 1.2 bar so far but I feel that something is not ok regarding sync plus the injector problem that appeared sudently.
dragcar2007
 
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Joined: Thu Nov 20, 2008 7:13 am

Re: hayabusa ref/sync mode

Postby insomnia on Tue Jul 05, 2011 7:22 am

Hello,
-1) I believe you are wrong with your setup, this is not 24-2 but 24-1
You need to use Mode 5 (One missing twice/cycle)
-2) In this case the CRIP is 455 (if your first cylinder is on the bike's left side)
-3) The big probleme with ALL the Suzuki engine is following: too less gap between
Ref and Sync Signal. One solution is to move the Pin from the Camshaft ....
About your injector issue, i dont have any idea for the moment...
If you start the engine and receive a Sync Error, what happend when you reset the error during the engine
running? does the error re-appear? If not, you dont have a issue with that. During the start the ECU cant sync directly and you see this error, but only one time, after it's ok....
For infos, i have a GSX-R1000K6 and 0,6bar Boost for 407 BHP and 280Nm Torque...
Regards
Francois
insomnia
 
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Joined: Wed Nov 26, 2008 2:58 am

Re: hayabusa ref/sync mode

Postby MarkMc on Tue Jul 05, 2011 6:15 pm

When using high/low injecotrs and you have the balance table set to 100% all the fuel should come from the primary injectors.

You have to remeber that the secondary injectors will still get their Battery Compensation pulse, which should be no fuel anyway. This is the normal opperation for the ECU. If your battery compensation is incorrect for the injectors used and is too long you will get fuel.

Check the system by putting the battery comp for the secondary injectors down a little. if the injector keeps delivering fuel it could be dirty and stuck open.

Send a ref/sync capture and your configuration file.
MarkMc
 
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