I want to:
Get most power with stock
carbs, individual air filters - 3.0 kit
Improve power and keep the airbox and snorkel - 1.0 and 1.1-ti kits
Improve power and install K&N/BMC and remove the "snorkel" -
2.0 kit Keep the front airbox and frame side panels and want max power -
2.5 kit
Shift quicker and miss fewer shifts, help protect 2nd gear - Shft-Pro-K11
kit
Work on my carbs - Float height gauge
Finger and screwdriver adjustable fuel
mixture screw kit
Long Boy Extended Fuel Screw
$89.95 pn: CRZ-SCR-3518k2 with new
extended screws, springs, washers and o-rings
"Long Boy" Finger and screwdriver
adjustable extended Fuel Screw
assembly
Frustrated with trying to find an "almost 90 degree" screwdriver
to fine adjust your fuel screw for best idle and cruise?
Use Factory Pro's new "finger adjustable" fuel screw to adjust fuel
screw for best throttle response. Traveling to high altitude? It's
easy to lean out the lowend temporarily.
Make your life easier.
Installation:
Remove old short stock fuel screw, old o-ring, old washer and old
spring. The o-ring might be stuck in the carb, so take a light and make
sure it's really out (or you can't
find it after you took out the screw)
Use a small bent wire to pull it out if it doesn't drop out. Keep the
old parts for "spares".
Screw assembly kit comes with:
new extended screws
new springs
new washers
new o-rings
For maximum power, remove the stock airbox and
run individual air filters!
Improves power on top / high rpm.
Suggested for all bikes, especially ones with ZX11 cams.
Also available as Config 30 carb kit
alone, for those who are replacing their dj "Stage 3" jet kit.
The AIRBOX PLUS carb kit w/ NO filter and adapter ring
CRB-K87-2.5-NO-APK
$189.95
(1, alloy adapter ring and matching
carb kit)
THE Special kit for those who want close
to the power of the Config 30 kit, but want to retain
the stock side panels and bodywork.
This kit removes the rear airbox and installs a single large BMC or
K&N filter - adding MUCH more airflow and improving power - almost to
the level of the Config 30 kit.
Includes Factory Pro design Carb Recal Kit, adapter ring and filter.
User must devise battery hold-down method. Zip-ties and straps are commonly
used.
The kit includes Celmat 30 needles, several sets of main jets, alloy
steel allen float bowl screws and more.
This is a drop-in kit and requires No slide drilling and no carb body
drilling.
^ click on the pics for full size
ones ^
2.0 carb kit
Remove snorkel and use BMC of K&N air filter in the stock box
CRB-K87-2.0
(K&N and NO snorkel)
$139.95
A Special ZRXOA 2.0 Kit
designed for user who wants to use a K&N air filter AND remove the stock
airbox snorkel. Why a different kit? Because, when you remove the snorkel
and install the K&N or BMC stock replacement air filter, the best needle
profile is no longer the same as the above #1.0 or the #3.0 kit, but
requires a different needle taper for optimum performance.
Why does dj supply the same needle profile for everything? We don't
know, but, we care more about proper tuning over sales dollars.....
Celmat 30 needles and alloy steel allen float bowl screws, a drop-in
kit, also. No slide drilling.
Feedback below.
1.0 and 1.1-ti carb kit
Keep snorkel and use stock, BMC of K&N air filter in the stock box
CRB-K87-1.1-ti
(stock/K&N and snorkel)
$159.95
Ti ProKit The same needle profile as the
above #1.0 kit, but with Titanium needles and stainless steel allen
screws, a drop-in kit, also. Titanium is the best material choice for
nickel plated brass needle jets, as in Keihin ZRX and ZX "R" carbs.
Feedback below.
CRB-K87-1.0
(stock/K&N and snorkel)
$139.95
STD drop-in carb
recal kit Boosts power a bit at full throttle,
improves throttle response and wheelie ability. Definitely pulls harder
out of 2nd and 3rd gear corners! No slide drilling.
Feedback below.
(sample pic, only - not the actual item)
RTR-KAW-93-04
$89.95
Ignition Advance Rotor.
Adds significant power at ALL part
throttle positions. That equates to more "snap" in throttle response
for you! Bolts on easily with hand tools. No adjustments necessary.
Need snappier shifting with fewer missed shifts?
Our
Pro Transmission Detent
Arm Kit includes Factory Pro Microbearing Detent Arm, firmer duty
detent spring and gasket. Makes shifting more positive at the expense
of slightly stiffer shift lever action. The stronger detent spring rotates
the shift drum quicker, so the gears are more likely to engage under
quick shift conditions. The Microbearing removes friction for the quickest
shifting.
Tools : diagnostic and setting
TL-float height gauge $59.95
The only way to accurately measure float
heights. Works on nearly every carburetor.
Click here for float height adjustment
procedures.
Reply Re: Hey Marc
Louis J9 Registered User (10/28/00 10:21:21 pm)
Just wanted to thank you for the quality of your work. I have the Factory Pro Jet
kit, K&N stock replacement air filter, and Yoshimura slip-on. Your recommendations
were right on. Bike has perfect throttle response. Thanks again.
Feedback
Reply: Carb tuning
Bikefreak Registered User (10/27/00 9:06:32 am)
99 ZRX, Kerker slip-on, K&N filter, snorkel foam removed, side cover trimmed
back (1.5 inches by 3.5 inches), Factory ti kit with 100 mains, e-clip on 3rd slot,
mixture screws at 2.5 turns out. Runs absolutely perfectly.
Feedback
Reply: Carb tuning
MikeDee1428 Registered User (10/27/00 6:42:30 pm)
00'Green. D&D full exhaust, with alum. canister.
Factory Pro Config 10,100 mains, needles in third notch with one washer under clip
.
Mixture screws out 2 2/3 turns. (yeah, yeah. I know, but that's where they ended
up when right.)
K&N replacement filter.
Gutted Snorkel and trimmed back 1/2".
Smooth, seamless power delivery from idle to past redline and much "stouter" than
stock.
Feedback
Subject: Jet kits results
Date: Fri, 27 Oct 2000 09:26:09 -0500 (CDT)
From: bike-freak@webtv.net
To: zrx@factorypro.com
Just a quick note to tell you what a fine job you do on R&D. I just installed a
ti kit in my 99 ZRX (Kerker slip-on, K&N filter, foam removed from snorkel
throat, and trimmed side cover). 100 mains, e-clip on 3rd slot, and 2.5 turns on
mixture screws. Pulls great from idle to redline using your recommended base settings.
By the way my other 3 bikes (98 VTR,97 Bandit 1200s, and 94 CB1000)have had the
same results with your kits. I never even consider purchasing kits from you know
who.
Thanks again for well researched products.
John
Feedback
Subject: ZRX Jetting
Date: Fri, 27 Oct 2000 22:38:20 EDT
From: WKU88@aol.com
To: zrx@factorypro.com
Marc,
I got the 1.0 kit, and I have nothing but good things to say about it.
The directions could not have been easier, and the initial recommendations proved
to be so good, I don't think I will mess with it. I have yet to dyno the bike, but
it pulls real good, much better than stock.
I also have: Muzzy megaphone
K&N replacement filter
I have not trimmed the side cover, but I did remove the cage and foam from the snorkel.
If I go with Ted's advancer, will I need to go up to the 102's? ( to help prevent
detonation).
Thanks for such a great product.
Todd Gipson
ZRXOA #55
'99 ZRX1100
Feedback
Louis J9 Registered User (10/28/00 10:21:21
pm) Question:
A number of ZRX owners (with stock cams and a variety of pipes - not Yosh) have
posted dyno results with a pronounced torque dip at about 5000 RPM.
Can you tell us why that happens?
Just wanted to thank you for the quality of your work. I have the Factory Jet kit,
K & N stock replacement air filter, and Yoshimura slip-on. Your recommendations
were right on. Bike has perfect throttle response. Thanks again.
Answer:
If we check out a bike and change a couple things, perhaps I can shed some light
on the subject.
If the torque drops at an rpm during a steady state test (not a sweep test), and
the 4 Gas readings indicate a mixture problem, perhaps, by addressing that fuel
problem, we could "fix" the torque problem, though, there's not much in a carb that
affects only 5k.
It's possible that it is the pipe, possibly aggravated by intake tract length -
possibly a few more issues, too.
What is common to all the bikes with torque drop-off problem?
Pipe brand?
jet kit brand?
Stock airbox?
Individual air filters?
Response:
jimgofast Registered User (10/31/00 10:36:57 pm)
Reply
Re: Stock Air Box Mod?
i have the factory needles in mine although I have to change them now again, but
I have full muzzy k&n replacement and slight airbox mod (removal of liner) look
at my dyno sheets there is no stumble at 5 grand I am using factory 102's bike ran
great 112.5 hp. going to pods now hey mark help me out I'm in Chicago area what
do I need to use will have cams too!
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