Carb wont send fuel to engine

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20 May 2011 23:39 #452483 by Patton
Replied by Patton on topic Carb wont send fuel to engine

1973 Z1
KZ900 LTD
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23 May 2011 18:43 #453067 by kk1365
Replied by kk1365 on topic Carb wont send fuel to engine
Im not sure what happened but i went out yesterday and the bike started up and ran...i went out today and the bike just backfires, wont start and is just dumping fuel everywhere, where as before i got no fuel...

1984 kz700

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23 May 2011 19:07 #453074 by kk1365
Replied by kk1365 on topic Carb wont send fuel to engine
well i went out to start messing with it again and now it starts right up but its dumping fuel everywhere still. It wont idle for more than 3 seconds before cutting of and it wont rev past 3500 rpms any suggestions?

1984 kz700

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23 May 2011 19:13 #453077 by 650ed
Replied by 650ed on topic Carb wont send fuel to engine
I respectfully suggest you correct the fuel leaks before going any further or you may end up getting hurt and losing the bike. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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23 May 2011 19:18 #453079 by hocbj23
Replied by hocbj23 on topic Carb wont send fuel to engine
would check and be sure your petcock is 1:correctly installed and hooked up, and 2: is clean.

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23 May 2011 20:31 #453100 by kk1365
Replied by kk1365 on topic Carb wont send fuel to engine
yea i stopped. i just fixed the fuel issues and after i did that the petcock decided to crack so i gotta fix that now and fix my idle issues and then i should be set. hopefully by friday everything will work out and ill be ridding

1984 kz700

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23 May 2011 23:23 - 23 May 2011 23:26 #453171 by JR
Replied by JR on topic Carb wont send fuel to engine
Quote ...........................................The airbox coupling things dont fit to the carb, its like the whole thing has warped and its all off by a half inch but the carbs are attached to the engine just fine

I'm surprised you got it to start at all if the airbox is still not hooked up. In order to run the engine has to get fuel and air in the right ratio and if the airbox is not hooked up and the back of the carbs are open then you are getting to much air in relation to fuel.

After you get the petcock and fuel leak issue sorted out I would suggest wrestling with the airbox to make it fit.

1980 kz750E1, Delkevic exhaust
Last edit: 23 May 2011 23:26 by JR.

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24 May 2011 13:38 #453271 by kk1365
Replied by kk1365 on topic Carb wont send fuel to engine
well the carb on the bike is not what came on it, its slightly larger and does not fit the air box so i went ahead and bought the pod filters seeing as it was my only choice. I also got new jets to go along with that. I was told there was a stage 2 jet kit installed already but i dont know if i trust the P.O.

1984 kz700

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24 May 2011 20:47 #453340 by JR
Replied by JR on topic Carb wont send fuel to engine

kk1365 wrote: well the carb on the bike is not what came on it, its slightly larger and does not fit the air box so i went ahead and bought the pod filters seeing as it was my only choice. I also got new jets to go along with that. I was told there was a stage 2 jet kit installed already but i dont know if i trust the P.O.



Well now....that's a bit different than simply not having fuel get from carb to cylinder.

First rule with a used bike is that the PO always lies.

After you get the leak sorted out I would suggest that you need to identify what carbs - some photographs of the carbs should help with this. You need to identify what jets are in the carbs and here somebody more knowledgeable than I may suggest suitable jetting for pods and you need to confirm if you are running with pods and also what make may help

Good luck

1980 kz750E1, Delkevic exhaust

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24 May 2011 23:57 #453402 by kk1365
Replied by kk1365 on topic Carb wont send fuel to engine
after looking at the specs for the stage 2 jets and pulling mine out it turns out he was actually telling the truth! but im going to put the new stuff in just to eliminate any possible headaches. Before i wasnt getting any fuel come out of the float bowls and now i am. all the pictures and things look like the carbs are mikuni bs32's. so thats what im going off of.

1984 kz700

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31 May 2011 01:29 #454450 by kk1365
Replied by kk1365 on topic Carb wont send fuel to engine
well i installed the pod filters against better judgement and the bike fired right up, just had to tune in the idle a little bit and i went out ridding. When i came back and parked it, it sat for about 10min or so and then when i went to start it it wouldnt start and i heard loud clunking noises. I checked the starter and it was fine...my starter clutch went out after my ride of like 2 or 3 miles...wouldnt ya know when you finally get one thing fixed another breaks. Oh well i only payed $400 for the bike and have $136 in tune up and the pod filter set up. I guess the $85 for the starter clutch still isnt too bad for over all costs. After everything is fully operational it will be stripped back down for paint, a nice flat black then tear up the roads of VA, NC, and WV lol

1984 kz700

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  • Motor Head
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  • FIX UP YOUR BIKE RIGHT AND CHEAP
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31 May 2011 09:37 #454476 by Motor Head
Replied by Motor Head on topic Carb wont send fuel to engine
Couldn't you put the rebuild kit in, rollers and springs: www.z1enterprises.com/detail.aspx?ID=4361
Also look for loose bolts at rear of Rotor, locktite them in.

1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
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