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Old 05-13-2012, 05:48 PM   #3256
Gros Buck
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Quote:
Originally Posted by crankshaft View Post
I was able to do a quick amp check on an external Bosch fuel pump yesterday and the meter read 84 watts. As I recall, the 690 has 200w available.
You read 84 watts ??? I assume you read 7 amps (7 amps x 12 volts) ...

This Vortex ECU is VERY interesting. I encourage you posting on this as much as possible ...

Paul Jr 8
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Old 05-13-2012, 06:01 PM   #3257
Seth S
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I checked the external pumps we are running in the rally car and they each draw about 7 amps and are rated for something like 40 gal/hour...bit overkill for the bike. the pumps are Walboro's. most of the external pumps are for higher flow auto applications and a bit overkill for the bike. that suzuki pump is looking like the best option.
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Old 05-13-2012, 06:22 PM   #3258
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Quote:
Originally Posted by Gros Buck View Post
You read 84 watts ??? I assume you read 7 amps (7 amps x 12 volts) ...

This Vortex ECU is VERY interesting. I encourage you posting on this as much as possible ...

Paul Jr 8
6.5-7 was the range, yes.
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Old 05-13-2012, 06:26 PM   #3259
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Originally Posted by seth s View Post
i checked the external pumps we are running in the rally car and they each draw about 7 amps and are rated for something like 40 gal/hour...bit overkill for the bike. The pumps are walboro's. Most of the external pumps are for higher flow auto applications and a bit overkill for the bike. That suzuki pump is looking like the best option.
ltr450?
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Old 05-13-2012, 06:28 PM   #3260
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ltr450?
Yes
http://www.cheapcycleparts.com/model...emblies/115902
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Old 05-13-2012, 06:33 PM   #3261
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Just bought one on Ebay, I also have another one in my tool box.
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Old 05-13-2012, 06:49 PM   #3262
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Originally Posted by Seth S View Post
I checked the external pumps we are running in the rally car and they each draw about 7 amps and are rated for something like 40 gal/hour...bit overkill for the bike. the pumps are Walboro's. most of the external pumps are for higher flow auto applications and a bit overkill for the bike. that suzuki pump is looking like the best option.
try the suzuki 15100-45g02 external? i think the rally guys are using that one
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Old 05-13-2012, 06:52 PM   #3263
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Originally Posted by crankshaft View Post
Just bought one on Ebay, I also have another one in my tool box.
Have you been following this thread? http://advrider.com/forums/showthread.php?t=708813 Maybe save yourself some r&d on the pump install.
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Old 05-13-2012, 06:53 PM   #3264
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anybody got a wiring diagram? im getting 12 vdc at the coil when you turn the key on but it goes away once the fuel pump cycles.
relay maybe? interlock? it would sure help to have a wiring diagram

good news is my berg is back together and makes me smile. i think the 690 is going bye bye when i get it fixed and ill build something to do the long dirt tours with no electronics and oil cooled, strong subframe to carry luggage with top of the line suspension
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Old 05-13-2012, 06:56 PM   #3265
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Originally Posted by bobzilla View Post
anybody got a wiring diagram? im getting 12 vdc at the coil when you turn the key on but it goes away once the fuel pump cycles.
relay maybe? interlock? it would sure help to have a wiring diagram

good news is my berg is back together and makes me smile. i think the 690 is going bye bye when i get it fixed and ill build something to do the long dirt tours with no electronics and oil cooled, strong subframe to carry luggage with top of the line suspension
I hate giving up Would be nice to actually turn the 690 into a bomb proof platform, just to shove it up KTM's ass
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Old 05-13-2012, 07:09 PM   #3266
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I hate giving up Would be nice to actually turn the 690 into a bomb proof platform, just to shove it up KTM's ass
im not usually a quitter but it took almost 3 years to kick my ass
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Old 05-13-2012, 07:27 PM   #3267
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im not usually a quitter but it took almost 3 years to kick my ass
I almost threw in the towel until I decided to give it another go. It's running well at the moment
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Old 05-13-2012, 07:30 PM   #3268
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Old 05-13-2012, 07:38 PM   #3269
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I'm really liking my 690. Just a fun bike to ride and even though it does stall very occasionally I don't mind. Eventually I'll sort that out too. It's my lot in life I guess, the last two Yamahas I owned both were stallers.
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Old 05-13-2012, 08:30 PM   #3270
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Quote:
Originally Posted by Velociraptor View Post
My bike usually starts on the 2nd or 3rd try with the Vortex. I emailed them about it and they said they were working on it. I might send it back to get reflashed one of these days.
Quote:
Originally Posted by crankshaft View Post
Ah, that's good to know. I know it's the priming pulse for the cold start enrichment. I turn the key on, just stab the start button real quick. I do that 3 or 4 times and it fires right up. Basically like the old days when you gave the gas pedal three pumps before starting the car I'll call the Vortex folks and see whats up. thx for the heads up!
Hey, please post back if you hear anything about a new flash from Richard.

I had been having difficult starting back mid-winter, temps in the upper 30s or low 40s. It would take several presses of the button before it caught. Now with warmer weather, it always catches on the second press, but never ever the first press. I did a little experimentation with the injector in a bucket and found that the Vortex seems to only spray fuel once per ignition attempt. So if you don't fire on that first compression stroke, my guess is you're not gonna given that there's not going to be any more fuel sprays that start attempt.

I also found that after the fuel pump primes, pressure spikes at the correct mid-50 psi value, but then bleeds off over a few seconds (is this right?). This could also cause a start problem with the Vortex, if you only get one spray of fuel, and it comes after the pressure has bled down, you could end up without enough fuel to do anything good.

Disclaimer: I pulled this all out of my ass. The bleed off of fuel pressure may or may not be correct behavior, so my experience could be completely different.
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