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Discussion Starter #1
Once Again, I would like to say that this forum is just the
greatest thing since sliced bread. :D

I've learned so much about this bike from you guys (and gals) !!

So here's the question I'm sure someone here knows the answer
to:

What single modifcation can I make to get rid of this . . it's
caused me to stall a few times and is just really annoying :mad:

I'm already planning to do the progressive spring thing to
the front forks (I beleive everyone would agree this is the
best way to go). I also plan to get the Zero Gravity sport touring
windscreen as soon as it's available (When is that again CanyonDog ? I live close by . . . Moorpark . . would love to
see one in person :~ ) BUT, I really don't want to have to do
the jets and the exhaust.

Can someone help me out here ?
 

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I wonder if Australian bikes have different jetting to U S bikes as I've never experienced any sort of problem with throttle response. I think the pollution regs are not as tight down under as we don't get any of that EPA junk I've read about elsewhere on the forum.
We do have some pollution gear but I think it just recycles blow by gasses from the engine back into the intake system.
 

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Wheelie for Safety
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1,550 Posts
Hi Netlore,

There is a link on zr-7.com under the maintenance section. It shows how to remove the carbs and how to remove the plugs so you can get to the idle mixture screws (aka pilot screws).
http://www.zr-7.com/HoleshotJetKit.htm

Another way to do it without removing the carbs is to use a dremel tool and cut a slot into the carb.
http://www.softcom.net/users/bilvanek/mixture.htm

I removed my carbs. Its not too difficult. It took about an hour. The stock setting is 1.75 turns and adjusting them to 2.5 turns completely removes the off idle hesitation.

Andy
 

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Discussion Starter #7
Andy,

Thanks, I'll try it this weekend once I get back from my MSF
course. The more I ride it the more I think that this is THE main drawback :mad:. Even more than the front suspension and 1/4
fairing (I'm 6'2" so I've really got to duck down to keep from
getting hit by wind/debris).
 

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Doug
Thanks for the info on non US models.
I have never had a close look at the carbs on my bike but I'm guessing that as my screws would be unplugged it would be simply a matter of getting a small screwdriver and turning them.
I'm just a bit curious about the improvement you spoke of, is it making more power, running smoother or generally more driveable.
In the two years I've had my bike (only 9000km) I've never synched the carbs and I think the bike is going fine but maybe I will notice an improvement when I do synch them and maybe turn the screws out a bit.
I imagine the screws would need adjusting periodically as they would tend to be effacted by vibration over time.
As yet I haven't ordered the Morgan Carbtune but I think I will soon..

Glenn
 

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Netlore, E-mail me!

Netlore:

I can't believe there is actually another ZR7S in Moorepark! In answer to your previous question, Glenn at Zero Gravity finally e-mailed me back and said for me to call him next week to come by and try some more screens.

You have to e-mail me so we can ride some time. Martin and Emrah joined me a couple weeks ago and we had a blast. You live close enough that you could ride with the Canyondogs on a regular basis. Check out our web site at:
http://www.canyondogs.com
You will see me in "The Pack" as Underdog. You can e-mail me directly from there or my e-mail address is : [email protected].

Later,
Mike (Canyondog)
 

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Yeah Dude, you gotta go! It was a total kick in the @ss! They'll really watch out for ya. They're a real good bunch of guys. I told a guy at work about 'em and he's all hot and bothered to get up there. Have you met him yet, Mike?
 

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Discussion Starter #12
Ride with CanyonDogs

Canyondog and I hooked up on the phone. I have the MSF class this weekend but we're going to do a little riding on Saturday morning before my class starts. I'd love to ride with the Pack on Sunday but I gotta put in some time with my little boys (5yrs & 5 months). :)

I plan to get with them within the next couple of weeks.

Canyondog even offered to help me with my Carb Sync and
getting to my "Pilot Screws". But said sadly that "It never really goes away" in regards to the throttle lag. :eek:

I'll find out once we make some adjustments. :~

Canyondogs the man. :smilewink
 

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Wheelie for Safety
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Hi Mike (aka Canyondog)

I just visited your web site (I assume you are the webmaster).

Great site, really enjoyed the Gallery and The Pack. Loved the one about the Crack Mechanic... :)

Andy
 

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Discussion Starter #15
BACKFIRE

It finally happened. This morning starting her up she backfired,
LOUD!! Startled the bejezzus out of me. I had already decided to
do the EGR ectomy based on the information I read in the forum,
BUT this sealed the deal.

Thanks Jarel for posting how to do this on the site. I kind of used
a combination of BZiod's process and Jarel's. I used a 7.5 inch
vacuum hose, 3/16 vacuum cap and a 1/2" x 1 3/4" bumper bolt.
I thought this would be the cleanest in case I ever have to put
it back in for some reason. Like everyone else said, take the tank
off was the hardest part, especially your first time :)

Total cost: $4.85 (I got a foot of 5/8" vacuum hose, 5 pack of
3/16" vacuum cap and the bumper bolt).

I took it out for a test ride and it runs perfect now.
NO BACKFIRE. The engine is dialed in. I may need a corbin
seat in the summer when I plan to have regular passengers but
for me, it's everything I need.

Without this site I may have always just dealt with the minor
imperfections this bike came with. I'd like to send a tremendous
THANK YOU out to everyone who's involved in any way (even the
other regular site users like me).
 

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Discussion Starter #16
Re: BACKFIRE

Netlore said:
Without this site I may have always just dealt with the minor
imperfections this bike came with. I'd like to send a tremendous
THANK YOU out to everyone who's involved in any way (even the
other regular site users like me).
Oh Yeah!!!

HAPPY HOLIDAYS EVERYONE !!!
 

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My pipe and jet kit helped LOTS but I still have to do the EGR removal when I take her out of storage this spring but the worst backfire I ever had was one morning in Sept getting ready for work 8:30 am, I roll her out into the driveway, ALL the kids and moms are at the bus stop 2 driveways away, I push the button and BANG!!!!!! several of them ducked :mad: then glared at me. I could not help but laugh (yes it was before sept 11).

Chris
 
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