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Trying to carb a 2002 750 motor! yes Many Questions

Started by terse750, June 12, 2015, 12:24:19 PM

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ducpainter

#30
June 16, 2015, 05:14:32 PM
Quote from: terse750 on June 16, 2015, 04:54:15 PM
This is my first motorcycle. Which I've had now for a few years and 30000+ miles

Damn wish I could find a deal like that...

If you have 30K on a 750...it owes you nothing.

You just need to be patient. Take the info you have and start looking for alternatives. You seem willing to buy the ignitek and have FCR's so you can make the 750 motor you have work so you can ride...keep in mind there will be a curve getting all your tuning mods to work. Lose the idea of 'building' a 750 and look for a bigger motor while you play with the 750.


"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


terse750

#31
June 16, 2015, 05:34:20 PM
 [thumbsup] [thumbsup] [thumbsup]

I feel that way exactly!
Once she's running again I'll be fine for a while.  [beer]

Thanks for everyones help! Once I receive the Ignitech I'll have more to share about the outcome.


terse750

#32
July 04, 2015, 06:18:58 AM
UPDATE:

Got her all disassembled. Figured I'd touch-up some of the paint while she's apart. So I striped her completely!

It's going to take way longer than originally planned but I'm hoping it will be worth it. I'm trying to black out anything silver on the bike...

Motor, calipers, rear caliper holder, ends of the rear shock, triple clamp and a few more.

Came across a few striped or damaged bolts which I'm sure is par for the course...

Ordering a cam gear tool and a couple others things that will be needed as of now.

The newer motor had it's rubber cam belt housing on the vertical head damaged so I need to get the tool.

I'm still figuring out how I'm going to prop or hang the motor to paint it thoroughly. I don't want to spend the dough on a motor mount right now.

Also thinking of going for a digital tach and speedo to free up some space up front.  Any recommendations?
I saw a cheap DanMoto one that looks like a potential temporary fix.

memper

#33
July 06, 2015, 09:50:42 AM
Lots of folks use the vapor digital gauge
"Calling a bikini fairing on a monster a fairing is like calliing a girl in an actual bikini proper work attire....unless shes a stripper." -He Man

-----------------------------------------
Important: always check your battery filter and regularly change your headlight fluid.

terse750

#34
July 10, 2015, 12:23:03 PM
Cool! Thanks @memper I just ordered one from bike bandit for 70$ and change! [thumbsup]

Currently painting the motor and rearsets with Black VHT wrinkle paint amongst a few other parts [bacon] [drool]

Hoping it comes out pretty dope... [clap] haha

terse750

#35
July 19, 2015, 02:51:59 PM
Current update:

Everything is back together to start the motor.
Clutch is back after a bleed, controls are good (foot and hand).
Carbs and throttle feeling smooth.
Belts all lined up and adjusted.
The only thing stopping me from throwing the plugs in and firing is the new Ignitech coil hookups.
It's unclear as to which coil gets which plug from the TCIP4 unit.
I'm worried it'll really mess things up if they are run backwards. [evil]
I don't want to fubar anything!
So I'm trying to locate the correct info, which seems to be limited at the moment. [bang]

Which cylinder do you think would be considered the #1 and which the #2 on a ducati?

I'm so close I can taste it!

Also still have to assemble the rear-end before... [Dolph]
She's looking bad ass [thumbsup]

Dirty Duc

#36
July 23, 2015, 08:49:43 PM
From a post over on Ducati.ms:

"The pickup used on the fuel injected bikes is not my favourite setup for Ignitechs. The pickup used requires a special version of the Ignitech's to work. And I don't think triggering of gear teeth is the best way to do things. A comment made by one of the Ignitech staff recently seemed to suggest they found this pickup finicky to set up the Ignitech's input circuitry for, but given the language barrier I may have misinterpreted his comment. It may also be that the physical positioning of this sensor relative to the cam gear teeth is finicky but I haven't tried playing with shims to move it's position."
http://www.ducati.ms/forums/57-supersport/187881-new-unofficial-ignitech-manual-7.html

I've found the hall effect sensor to be pretty noisy on the injected bikes.  It's also really sensitive to proximity to other electrical noise.

terse750

#37
August 07, 2015, 08:22:41 AM
I have the bike firing but can't give it throttle without it killing or sputtering and mis-firing.

I've bolted on the old mikuni carbs that were on before the teardown. Still same trouble.

It must be a timing issue, yes?

Both cylinders are firing...fyi

[bang] [bang] [bang] [bang] [bang] [bang] [bang] [bang] [bang]

Dirty Duc

#38
August 07, 2015, 09:08:08 AM
Double check for vacuum leaks, and make sure the spark plug wires are at least an inch away from the sensor wire.

It could be a timing issue also, though.  What advance are you running?

ducpainter

#39
August 07, 2015, 09:12:09 AM
You really need to keep all this in one thread. It's getting too hard to follow.
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


terse750

#40
August 07, 2015, 09:21:08 AM
Quote from: Dirty Duc on August 07, 2015, 09:08:08 AM
Double check for vacuum leaks, and make sure the spark plug wires are at least an inch away from the sensor wire.

It could be a timing issue also, though.  What advance are you running?


Vacuum leaks would be? Tank and carb lines/hoses?

As to the advance... I have not been able to run the ignitech program on my girlfriends laptop.
I get a "Com error" code, clearly I'm not the most savvy with computers
also not having any luck with Ignitech's customer service/tech support [wine]

I just plugged the unit right in and have yet to successfully get it to communicate with my pc/program.
I installed a driver for the connecting plug which goes from the pc via usb to the Ignitech which is something else.
When I try to run the program or open it, I get a error code and thats pretty much it.

How much does the advance affect the bike and in what ways?  


Dirty Duc

#41
August 07, 2015, 09:44:48 AM
Quote from: terse750 on August 07, 2015, 09:21:08 AM

Vacuum leaks would be? Tank and carb lines/hoses?
Vacuum leaks would be carb install/sync ports.  I don't know how your deal is set up, but maybe something to do with the way the manifolds fit.

Quote from: terse750 on August 07, 2015, 09:21:08 AM
As to the advance... I have not been able to run the ignitech program on my girlfriends laptop.
I get a "Com error" code, clearly I'm not the most savvy with computers
also not having any luck with Ignitech's customer service/tech support [wine]

I just plugged the unit right in and have yet to successfully get it to communicate with my pc/program.
I installed a driver for the connecting plug which goes from the pc via usb to the Ignitech which is something else.
When I try to run the program or open it, I get a error code and thats pretty much it.

I can't help here, but you need to connect to the ignitech.  In fact, fixing that should be your first priority.

Quote from: terse750 on August 07, 2015, 09:21:08 AM
How much does the advance affect the bike and in what ways? 
A lot.  You say timing, I say advance, they are really part of the same phrase "timing advance."  I believe ignitech uses a lookup table with rpm and degrees of advance... does it need a TPS, too?

Dirty Duc

#43
August 07, 2015, 10:31:43 AM
Throttle Position Sensor. 

But without knowing what is actually programmed into the unit, nobody is going to be able to give you useful advice. 

ducpainter

#44
August 07, 2015, 10:32:45 AM
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


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