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carby problems

Tech Talk for Suzuki owners.

Moderators: lay80n, sierrajim

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Posts: 106
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carby problems

Post by jcianci »

ok well this is starting to annoy me.
The car is running rough as. Its got an aisin carb on it. I have tried giving it full throttle with revs and putting my hand over the intake and it helps a bit but only temporary. I have a feeling it is running lean because when i partialy block the intake the car runs fine. the carby was rebuilt about a year ago. I have good spark and everything else works fine. I have a suspision it may be something to do with that little screw at the base of the carb on the block side. Unfortunately i can only get a bit of adjustment because of everything being in the way. Maybe even the jet might be blocked or partially blocked.

What do i do? Fix it? Buy a hitachi one?

thanks guys
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Post by JrZook »

U already know what i would say :D , buy a ...............................
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Post by RB zook »

try pulling it down and cleaning it and put a carby kit throu it
TOYZUKI 96 coily zook,lux diffs, 3 inch suspension lift,3 inch body lift, 33'sMTRS,series 4 hopper,power steer,twin air lockers,4 LINK front and rear,2 inch spacers(GOT WIDTH)
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Post by zookjedi »

rough at low revs idle or hi revs or all thru rev range?
if its at low revs pull the aircleaner adapter of the top of the carby and whilst running at idle or there abouts look down the carby throat and see if you can see a steady stream of fuel coming from the idle jet if not remove fuel intake line and using carby clean spray into carb were fuel goes in than blow out with compressed air , make sure your filters are clean and your bowl free from contaminates and lines clear .
than reinstall.
cheers Jai
if its worth doing do it intensly , better still do it with MADPASSION

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Post by Mr Emu »

Something you could try to clean out blockages in your jets... Remove the plenium or metal cover thing from the top of the carby, then on your distributer cap swap over two oppostie leads. Then start and run the for about 10 seconds, give it a few revs as it wont idle. The car will backfire through the carb, cleaning your jets. Once done re swap the leads and repeat the same with the other 2, then see how you go.
Emu
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Post by Mr Emu »

Something you could try to clean out blockages in your jets... Remove the plenium or metal cover thing from the top of the carby, then on your distributer cap swap over two oppostie leads. Then start and run the for about 10 seconds, give it a few revs as it wont idle. The car will backfire through the carb, cleaning your jets. Once done re swap the leads and repeat the same with the other 2, then see how you go.
Emu
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Post by probitch »

i had this problem. after rebuilding the carby twice, new filters, and fuel lines i ended up having water in the fuel. (lots of it but thats another story.) it looked like some-one had cracked an egg in it. might pay to check your tank.
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Post by lay80n »

Best bet would be a put a carby kit through it. Have you checked for a vacum leak or other engine problem. A vacum leak would make the car idle rough and lean, so this may be worth a look too.
Layto....
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Post by x rated »

I would try spraying some "Start ya Bastard" around the carby when its iddling. If it starts to run better and idle speeds up then you have a leak there sucking air? you can pretty much isolate where the air is pulling.... prob a vacume pipe... split.... or off.

if that dosnt help.... its likely to b internal.... need a kit or replacing...

its all a process of elimination

STORY OF MY LIFE..... Just been through it with the vit.... ended being sand all through the carby from Fraser Island :silly:
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Post by jcianci »

ok well im not sure whats going on possibly the float level is out? It seems to want to stall when on a right hand slope or braking. What could this be?
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Post by superzuki »

hey i had the same prob bout 6 months ago...it used to run fine wen i put my hand over the top leting a litle air in and used to stall wen under brakes. i found there was crap in the float chamber. just litle bits of dirt. i put a carby kit through it was 30 buks from scots took a few hours. also changed the feul filter aswell. i also put some nulon cleaner stuff in my feul...dunno if it helped but it is still runing fine
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Post by nicbeer »

Go the toyota carb.

"Can't comment on angles yet as i only got zook running again recently"

cheers
[url=http://www.outerlimits4x4.com/viewtopic.php?p=930942#930942&highlight=]Zook[/url]
U SUK Zook Built and Sold.
New rig is 97 80 DX. 2" list 33s
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Post by jcianci »

Well its still giving me crap. Wants to stall down hills. I have found out something interesting though as a temporary fix. The hose on the vacum actuated valve above the throttle cable can be rerun to a vacum point on the carby that has constant vacum and is not affected by revs, this has fixed the problem, though it has made cold starting harder. What we need is a bit more technical know how on these things to simplify them. That way we can spend money on shiny things, instead of muddy things. :roll:
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Post by nicbeer »

nicbeer wrote:Go the toyota carb.

"Can't comment on angles yet as i only got zook running again recently"

cheers
Back to my post. the toy carb seems good on angles. I did some hacking the other night and seems to have maybe some more power down low when idleing through sand in 2nd 4wd high range.

Thanks
[url=http://www.outerlimits4x4.com/viewtopic.php?p=930942#930942&highlight=]Zook[/url]
U SUK Zook Built and Sold.
New rig is 97 80 DX. 2" list 33s
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Post by JrZook »

nicbeer wrote:
nicbeer wrote:Go the toyota carb.

"Can't comment on angles yet as i only got zook running again recently"

cheers
Back to my post. the toy carb seems good on angles. I did some hacking the other night and seems to have maybe some more power down low when idleing through sand in 2nd 4wd high range.

Thanks
So does it have more power overall??
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Post by nicbeer »

I cant really tell (my engine is not the healthiest) but i would have to say yes. minimal but u only need small amounts on a zook.

Only been offroad once since the wheel bearing and carb has been done.

it was a cheep conversion considering my zook carb was stuffed.

cheers
[url=http://www.outerlimits4x4.com/viewtopic.php?p=930942#930942&highlight=]Zook[/url]
U SUK Zook Built and Sold.
New rig is 97 80 DX. 2" list 33s
Posts: 106
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Post by jcianci »

well where do i get one for mine? And do they just bolt on? Sounds like a good idea, this dam aisin carby is so frustrating. I got quoted 395 supplied and fitted for another one but i cant see 400 bucks for two hours work and some bits.
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Location: Perth WA.

Post by nicbeer »

a ke70 rolla carby.

Cost me nuthin but i have seen them for abour $50...

They are still a aisin carn but seem a lot simpler. Bolts on with a slot ginding to the spaceer plate.

u need a couple studs and not bolts to bolt it down.

Only some small mods to make it fit.

cheers
[url=http://www.outerlimits4x4.com/viewtopic.php?p=930942#930942&highlight=]Zook[/url]
U SUK Zook Built and Sold.
New rig is 97 80 DX. 2" list 33s
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