ZipTy Racing Carb Modification - test


214 replies to this topic
  • grayracer513

Posted February 11, 2007 - 05:09 PM

#61

It's at the end of the only electrical wires leading to the carb. It sends info to the CDI about throttle position for the purpose of mapping the ignition to load as well as speed. It is difficult to readjust if removed, so don't remove it.

  • twenty34

Posted February 11, 2007 - 08:50 PM

#62

It's at the end of the only electrical wires leading to the carb. It sends info to the CDI about throttle position for the purpose of mapping the ignition to load as well as speed. It is difficult to readjust if removed, so don't remove it.


Thanks but I'm still left a bit confused, grayracer. Don't you have to remove it to take the carbn off so you can send it in if you want ZipTy to do the work? I don't know the answer so I was curious.

  • grayracer513

Posted February 11, 2007 - 08:59 PM

#63

Unplug it from the harness and leave it on the carb.

  • Ga426owner

Posted February 12, 2007 - 06:03 AM

#64

Unplug it from the harness and leave it on the carb.


yes only unplug the harness - and it is a great idea to etch the carb and black sensor - this way if it ever does move , you can align the etched marks for the correct setting:thumbsup:

  • whiteYZ

Posted February 12, 2007 - 03:17 PM

#65

well got my carb back and can def. notice a difference in response. I am running the reccommended 168 48 from zipty and have the fuel screw at 1 1/2 turns out. I am at 1000ft above sea level and its about 35 degrees out. I am still having a bad surging issue at about 1/4 throttle. Also have full dr. d race system exhaust and boyesen quick shot and supercooler. oh also its an 07. Any ideas on what to try next to get rid of the surging issue???

  • twenty34

Posted February 12, 2007 - 09:56 PM

#66

I am still having a bad surging issue at about 1/4 throttle. Also have full dr. d race system exhaust and boyesen quick shot and supercooler. oh also its an 07. Any ideas on what to try next to get rid of the surging issue???


this is interesting. I thought this mod would solve all the carb/fuel related issues. hmmm...:censored:

  • Ga426owner

Posted February 13, 2007 - 06:36 AM

#67

this is interesting. I thought this mod would solve all the carb/fuel related issues. hmmm...:censored:


There is always the guy who looks at things half empty......it does unless something else is going on......
Surging issue can be idle issue ir TPS is out of sync or CDI
I have not seen any other 06 or 07 having any surging issues

  • ThumperKid250F

Posted February 13, 2007 - 07:05 AM

#68

well im sending my 250f and 450f carbs out today so ill report back also..

looks like a great mod:applause:

  • whiteYZ

Posted February 13, 2007 - 12:56 PM

#69

idle is set about 1950 rpm and tps was never taken off other than just dissconnected at the harness.

  • Ga426owner

Posted February 13, 2007 - 02:57 PM

#70

Could you start a new thread on this and please explain this surging in more detail. At 1/4 throttle holding it there - what is it doing exactly? It should be holding at that rpm unless the throttle is not being held at that point.
Surging - to me indicates increasing rpms up and down....
Does this do this at idle?
what about past 1/4 throttle?

this may be a faulty TPS issue or TPS out of sync or a CDI issue

Anyone else???????

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  • whiteYZ

Posted February 13, 2007 - 05:08 PM

#71

sorry I will start a new thread, well kinda like a cutting in and out like hesitation if held at a constant thottle at anything below 1/4 throttle.

  • Ga426owner

Posted February 14, 2007 - 04:39 AM

#72

sorry I will start a new thread, well kinda like a cutting in and out like hesitation if held at a constant thottle at anything below 1/4 throttle.


It is a 07 - I would take it back to dealer

  • lastchild

Posted February 18, 2007 - 01:56 PM

#73

Have you tried the NFLR needle yet?

  • grayracer513

Posted February 19, 2007 - 04:43 PM

#74

Have you tried the NFLR needle yet?

The '07 comes with one.

  • lastchild

Posted February 19, 2007 - 05:57 PM

#75

The question was for Ga426...I wondered if he had tried the NFLR in the ZipTy carb.

  • Ga450owner

Posted February 20, 2007 - 05:55 AM

#76

The question was for Ga426...I wondered if he had tried the NFLR in the ZipTy carb.


yes it is a little better than using the stock NPLR.:applause:

  • WB450

Posted February 20, 2007 - 08:15 AM

#77

I've been calling every day, now answer, is it hard to get in touch with those guys?:applause: :applause:

  • Ga450owner

Posted February 20, 2007 - 11:11 AM

#78

I've been calling every day, now answer, is it hard to get in touch with those guys?:applause: :applause:



no-
call 760-244-7028

They do run a raceteam so Fridays are bad

  • WB450

Posted February 20, 2007 - 11:18 AM

#79

no-
call 760-244-7028

They do run a raceteam so Fridays are bad




That's the # I've been calling.:applause: :lol: :cry: :cry: :applause:

  • Ga450owner

Posted February 20, 2007 - 11:52 AM

#80

That's the # I've been calling.:applause: :lol: :cry: :cry: :applause:


Call and ask for Steve - they are there
Last week was a dealer show in Indy





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