DarrenW
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| posted on 3/7/07 at 09:03 AM |
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ZZR1100 bike carbs Q's - now with finished pics
Just got a couple of Q's ref prepping my carbs for the switch over.
Ive got the chance of some ZX9R carbs, very tempted but only cos they have built in TPS. Spacing is slightly different to my manifold and of course
they will cost, so -
Before i go for these, im wondering if i can retro fit a TPS to the ZZR1100's. At the end of the throttle spindle there is a metal cap. After
removing the cap i can see end of throttle shaft. Has anyone ever retro fitted a tps by drilling and tapping the end of the shaft to fit a stud, then
screwing on an extension piece?
Rubber pipes - there are fuel feed and what appear to be coolant/heater pipes. Can the coolant pipes be removed to tidy them up? Would any holes in
the castings need to be blocked off?
Why have i not heard of many people using ZZR1100 carbs? Is there a reason or is it just because R1's etc were easier to get hold of once? Id
hate to forge ahead cleaning them up and jetting etc if there is a specific reason.
Air holes - i hear people fitting other types of carbs have to block off certain holes. Does anyone know if the ZZR's need something similar?
Thanks in advance,
Darren.
[Edited on 3/7/07 by DarrenW]
[Edited on 12/7/07 by DarrenW]
[Edited on 13/7/07 by DarrenW]
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russbost
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| posted on 3/7/07 at 09:52 AM |
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The coolant pipes are a heater for the carbs to cure a flat spot which was inherent in ZX10 & ZZR1100, I would imagine removing them would cause
poorer atomisation or encourage icing?
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DarrenW
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| posted on 3/7/07 at 02:32 PM |
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i was hoping that using the carbs in a car under a bonnet that coldness wouldnt be so much of an issue. I take your point though.
Here is pic of manifold. Its taken a few hours of fettling but not far off now.
 
Rescued attachment 03072007100.jpg
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DarrenW
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| posted on 3/7/07 at 02:34 PM |
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Close up of a pair of carbs. Look bewteen the 2 carb tops then down a bit. A black connector can just be seen - what is this for? Do i blank this
off?
Any other holes you see that need blanking off?
 
Rescued attachment 03072007102.jpg
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DarrenW
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| posted on 3/7/07 at 02:35 PM |
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Here is back of carbs. Heater pipes can be seen at the bottom. My thinking is it would look tidier if the pipes are redundant and can be
removed.
 
Rescued attachment 03072007103.jpg
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DarrenW
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| posted on 3/7/07 at 02:36 PM |
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Here is other side. Another view of the offending pipes.
I know which are the fuel pipes so i think ill leave them connected
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DarrenW
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| posted on 3/7/07 at 02:37 PM |
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Rescued attachment 03072007104.jpg
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DarrenW
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| posted on 3/7/07 at 02:41 PM |
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On this one you can see the end of the throttle shaft. Metal cap has been removed. It is this flush end that i was thinking of drilling and tapping,
fitting stud and extension. My TPS is just a pot so has a plastic shaft which can easily be connected with tube between (obviously a bracket will be
needed for the TPS itself).
 
Rescued attachment 03072007105.jpg
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Wadders
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| posted on 3/7/07 at 03:29 PM |
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I wouldn't worry about the water to the carbs, ZX9 carbs are the same, i think a couple of riders died allegedly because of carb icing so they
added the circuit, mine have been fine without it, unless your planning to drive in the depths of winter i don't think it will be an issue.
Al.
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Marlon
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| posted on 3/7/07 at 04:23 PM |
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The pipe in pic 2, I believe just goes to atmosphere or it does on my zx9 carbs.
hth.
john.
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Uphill Racer
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| posted on 5/7/07 at 10:18 PM |
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Yes tps easy to fit. I used the ZZR1100 spindles and butterflies in my home made throttle bodies. The photos show the number 1 spindle ( the one under
the cap).
http://s72.photobucket.com/albums/i187/uphill-racer/?action=view¤t=Dadaptor.jpg
http://s72.photobucket.com/albums/i187/uphill-racer/?action=view¤t=Dadaptor-1.jpg
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DarrenW
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| posted on 6/7/07 at 10:58 AM |
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As always the level of response is great.
Richard Quinn has just recieved some ZZR1100's from Boggs. It appears the heater pipes and connectors have all been removed which is
encouraging.
Also the advice reg TPS is superb - confirms just what i was thinking. My TPS is a little different (matt Kimins supplied MJLJ) but the theory is
sound. What size did you drill and tap? Looks like M4 or 5 by the pics. maybe 4 threads deep.
Thanks again. Im just need to investigate if any holes need blocking off now in the carbs. This is where my bike carb knowledge is really tested to
the limit
Thanks again for the responses and any other advice greatly appreciated,
Darren.
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Uphill Racer
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| posted on 6/7/07 at 11:06 PM |
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Centre drilled then drilled and tapped in the lathe, probably 5mm. Stud lock used on threads.
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DarrenW
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| posted on 10/7/07 at 02:24 PM |
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Looks like im finally getting somewhere. Carbs now cleaned out - slides are very smooth now.
Air filter fitting has proved to be a tad tricky but i think that is sussed now.
Soon ill be able to mount carbs to manifold and fit air filter. Need to suss out cables next and source bike fuel pump. I have heard of people using
the std mechanical pinto pump to good effect but then others say dont do it! I cant find and tangible reasons though unfortunately.
What i do need at some point is some new carb top screws. A couple of mine were chewed up. Are they easy to get hold of? They have a shoulder - i was
going to replace with std stanless ones but not sure. Ill use my stainless ones to replace some missing carb bowl screws (float cover).
I still cant find any advice on initial settings to get my std ish pinto running. Drilling out the jets to 170 and fitting needles at mid point (i
have a couple of washers missing!) seems to be rule of thumb on most carbs but there doesnt seem to be a lot of people who have fitted this particular
type. Unfortunately Richards are going onto a XE so i guess his starting point wont help me.
Has anyone found they needed a dynojet kit to get bike carbs running well?
Cheers,
Darren.
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thesnake505
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| posted on 10/7/07 at 03:48 PM |
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im not sure what the problem is with running standard pinto pump, but u will need a presure regulator as the carbs only want 2psi while the pump puts
out 4-5 psi (sorces haynes comic) i have no problem with the regulator, also were i had my carb set up from (knn manifolds) adviced to run a presure
regulator with standard pump! hope this helps snake
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DarrenW
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| posted on 10/7/07 at 04:11 PM |
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Thanks for that - something tangible that i can understand. I have a reg in my box of bits so might try that first.
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Uphill Racer
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| posted on 10/7/07 at 07:15 PM |
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the standard carb (restricted) is good enough for 125 bhp
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DarrenW
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| posted on 10/7/07 at 09:26 PM |
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Do you mean the std zzr1100? I think mine have the uprated carb tops.
125BHP - sounds a lot less than i was expecting. I thought the bike would have more than that. Where does that figure come from.
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Uphill Racer
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| posted on 10/7/07 at 09:38 PM |
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de restricted standard 1100 official figures 147bhp @ 10500 rpm if my memory is still working, do the slides completely dissapear from view or still
protrude when held up?
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bigrich
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| posted on 10/7/07 at 09:40 PM |
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darren the zzr in restricted form put out about 120 rear wheel horsepower this went up to about 135 when deristricted or 147 bhp at the crank just
make sure your slides go all the way to the top and dont stop about 10mm short.
Even now it still rates as one of the quickest bikes ive ridden a supersonic armchair
Rich
.JPG)
A pint for the gent and a white wine/fruit based drink for the lady. Those are the rules
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Uphill Racer
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| posted on 10/7/07 at 09:52 PM |
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its a bullit proof motor (bloody heavy 1) that can easily produce 350bhp (turbo) with very little work on motor. With loads of money 500bhp
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bigrich
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| posted on 10/7/07 at 10:04 PM |
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seem to remember?
Mike Granger used one to break some land speed records in the early nineties and his 70 year old dad did a bit too Berg Spider was his alter ego name
i think
God the poo thats in my brain amazes me sometimes
A pint for the gent and a white wine/fruit based drink for the lady. Those are the rules
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DarrenW
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| posted on 11/7/07 at 07:55 AM |
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Yes - the slides on my carbs do completely disappear so must be the de-restricted type. Im pleased about that - thanks for the confirmation. Im sure
after some jiggery pokery with the jets etc and with the huuuuge K&N im feeding them with they will be perfect for my Pinto.
I had a good night in the workshop last night again. Got the end of throttle shaft drilled and tapped for the TPS connection. Air filter back plate
all sealed up. Today im going to get some jubilee clips for my hose and ill try and get a pic of it all connected together.
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DarrenW
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| posted on 12/7/07 at 01:04 PM |
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Here are some more pics
View from top with manifold and filter.
 
Rescued attachment 12072007135.jpg
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DarrenW
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| posted on 12/7/07 at 01:04 PM |
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and another.
Do you think the air filter will be big enough?
Im surprised what the whole lot weighs. Do they need any supporting brackets when on the car? No wonder some people find the joining rubbers pop off
occasionally!
[Edited on 12/7/07 by DarrenW]
 
Rescued attachment 12072007136.jpg
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.jpg)
