Author Topic: 94 honda cbr 600 f2  (Read 7822 times)

Offline skipdawg1

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94 honda cbr 600 f2
« on: June 09, 2012, 12:26:28 pm »
i just got my honda a weed ago and i noticed that when i try to ease into the throttle it wants to sputter and hesitate i am new to bikes but would like to get an idea what is wrong it runs great other than that when i got it the plugs were fouled out and it ran like crap and i assumed that they fouled out because they were only finger tight i just hope there isnt another problem i dont know about any ideas would be greatly appreciated thanks

Offline IanC

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Re: Re: 94 honda cbr 600 f2
« Reply #1 on: June 09, 2012, 12:49:13 pm »
Probably need to clean up the carbs.

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Offline Curtie223

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Re: Re: 94 honda cbr 600 f2
« Reply #2 on: June 09, 2012, 01:38:28 pm »
:welcome
Plus one on cleaning the carbs

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Offline r6boater

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Re: 94 honda cbr 600 f2
« Reply #3 on: June 09, 2012, 06:00:37 pm »
If you are easing on the throttle the carbs are transitioning from the pilot (low speed) jets the the main jets. Since there are 4 carbs, over time they get "out of wack". Taking the bike to a tech(takes a special set of gauges) and having the carbs "sync'd" will get the carbs all transitioning at the same time thus smooth out. 

Im sure the carbs need cleaned too.

Offline Curtie223

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Re: 94 honda cbr 600 f2
« Reply #4 on: June 10, 2012, 10:33:03 am »
Good point Kurt!! I would check with Bryan at Willis Cycle works to have that done. Or if Nick (Spike240SX) has the manometer he should be able to do it at Motowerks. Both sites with contact info are at the bottom of the main page. :21 Hope you get that running right and come out to ride with us sometime real soon. :3

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Offline IanC

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Re: Re: 94 honda cbr 600 f2
« Reply #5 on: June 10, 2012, 11:20:28 am »
I have a manometer as well.

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Offline skipdawg1

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Re: 94 honda cbr 600 f2
« Reply #6 on: June 10, 2012, 10:40:59 pm »
thank you all for the advice i have come to the same conclusion that the carbs need sync and made a home made sync tool out of 1/4 inch clear hose and 2cycle oil bet the bad thing is that when i went to hook the tool up carb 1 & 2 have a vac. port 1 to the gas tank 2 to nothing 3 & 4 have screws in them instead of the valve for the hose WTF so i assume that it is like an old car that runs rough so you find a vac line and plug it off to make it run better someone took a short cut instead of getting carbs synced in the first place i think the proper sync once i get all vac lines ran will fix this i hope so at least thanks again and ill let yall know when i get done if it works or not   
« Last Edit: June 10, 2012, 10:47:49 pm by skipdawg1 »

Offline IanC

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Re: 94 honda cbr 600 f2
« Reply #7 on: June 10, 2012, 11:47:59 pm »
I've seen both styles (with nipple on carb and with threaded ports on intake) but never seen both styles on the same bike. Honda may have done it, who knows but either way for the threaded ports you can get long brass nipples from Motion Pro. You'll need to know what size to get. Suzuki it 5mm, not sure about the Honda.
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Offline skipdawg1

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Re: 94 honda cbr 600 f2
« Reply #8 on: June 11, 2012, 11:14:05 am »
you are right there are 5mm threaded ports on the intake under each carb  :21 so i called the local cycle parts store and they will order me the fittings 4 for 10 dollars and i will try out my home made rig and see if i can get it them to sync now i just need to find out what ports are to be plugged off when im done and what ones should stay open i know 1 is hooked to the gas tank but 2 was open and 3 & 4 are plugged off with screws i just wonder if that is the proper set up or not

Offline Curtie223

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Re: 94 honda cbr 600 f2
« Reply #9 on: June 11, 2012, 02:13:55 pm »
hey, Post up a build thread for your home made Manometer. Thats pretty cool :21

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Offline skipdawg1

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Re: 94 honda cbr 600 f2
« Reply #10 on: June 11, 2012, 10:14:16 pm »
here it is not sure what a build thread is but if this isnt what u was talking about let me know and ill put in the right place
« Last Edit: June 11, 2012, 10:16:03 pm by skipdawg1 »

Offline Curtie223

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Re: 94 honda cbr 600 f2
« Reply #11 on: June 11, 2012, 11:27:29 pm »
Make a seperate thread on what it take to build one, Parts, process and such. This could be very useful to other members. :21

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Offline skipdawg1

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Re: 94 honda cbr 600 f2
« Reply #12 on: June 13, 2012, 09:55:53 am »
home made tool was an epic fail it didnt work at all so guess i will have to just break down and buy the real thing it will still be cheaper than having a shop do it

Offline IanC

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Re: Re: 94 honda cbr 600 f2
« Reply #13 on: June 13, 2012, 10:34:16 am »
Post up the website you found that at. Someone came into work the other day that had made one that he couldn't get to work either. He said it just sucked the fluid into the motor. A manometer needs a vent so that it doesn't build a vacuum and I think the issue with these home builts is they are building a vacuum.

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Offline skipdawg1

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Re: 94 honda cbr 600 f2
« Reply #14 on: June 13, 2012, 11:26:08 am »
i just google searched home made carb sync tool and a few things came up and i also found some videos on youtube i just wonder if my connector fittings may be sucking air when they get under too much pressure cause the fluid pulled into the intake and bubbled up in the lines the only way it will get bubbles you would think is if it pulled air in and it mixed

Offline IanC

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Re: Re: 94 honda cbr 600 f2
« Reply #15 on: June 13, 2012, 11:45:46 am »
If I get time I'll build one with a how-to post this week. I have a manometer but it never hurts having spares.

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Offline Luvmystar

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Re: 94 honda cbr 600 f2
« Reply #16 on: June 13, 2012, 07:40:09 pm »
If the oil gets sucked in motor either its not hooked up right or the sync was way bad off.I don't know about a 4 carb setup but with a 2 each tube gets hooks to a port so the 2 are basically fighting each other.the cyl. pulling the most vac. has the highest fluid level.pretty simple and can be made for a few dollars.

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Offline Curtie223

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Re: 94 honda cbr 600 f2
« Reply #17 on: June 14, 2012, 05:17:09 pm »
I have cam across a set of carbs that were out so bad that it just pulled the fluid through like that. Might want to do a rough sink if it does it again.

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Offline Marid2apterbilt

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Re: 94 honda cbr 600 f2
« Reply #18 on: June 21, 2012, 11:19:55 am »
Also Zip ties on your fittings will help tighten them up..
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Offline skipdawg1

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Re: 94 honda cbr 600 f2
« Reply #19 on: June 22, 2012, 10:12:41 am »
well i payed 72.00 and got a sweet sync tool with gauges hoses fittings everything but it is usless to me with a bent valve that i got the day before the tool came LOL

Offline Darkbluexplorer

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Re: Re: 94 honda cbr 600 f2
« Reply #20 on: June 22, 2012, 10:39:20 am »
Ouch!

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Offline skipdawg1

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Re: 94 honda cbr 600 f2
« Reply #21 on: June 22, 2012, 03:40:53 pm »
next question i found a good f3 motor for 350.00 but will it hook up to my f2 direct or do i have to convert other things to make this swap work for my bike i dont want to buy a f3 motor and find out i need a wire harness computer air box carbs etc. etc. if any one has any exp in this swap will this work without mods