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Easiest way to remove carb to clean and inspect it?

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#1
08-06-2010, 11:21 AM
Easiest way to remove carb to clean and inspect it?

What is the easiest way to remove the carb to clean it and i have a new needle and seat to put in? Is the best way to take off the gas tank and take it out that way?
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#2
08-06-2010, 12:36 PM
Yah removal of the tank isn't absolutely necessary, but will save you many scraped knuckles and a lot of swearing. then it's just a matter of disconnecting the fuel and vacuum lines and then I just disconnect the hose clamps and pull the carb off the boots so I can rotate it to get the choke and throttle cable s off.
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#3
08-06-2010, 12:53 PM
What should all of the adjustments be set at? It is an 05 660 how would you find this out?
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#4
08-06-2010, 04:28 PM
Well you have a couple of choices my first choice for you would be to get a service manual for your baby, pretty cheap on eBay etc... or you could ask on here or search the forums the info is probably already on here. Third is this if you haven't already messed with the settings then just count the number of turns in as you slowly turn them in until they just seat, don't over tighten or you can damage the needles and or seats, then you can just remove them and then when you reinstall everything all you do is seat the needles and then turn them back out the same number of turns you counted. But a good service manual will go a long way.
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#5
08-07-2010, 02:50 PM
Im an so sick of this machine it just gives me problems left and right. I put the new needle and seat in not leaking anymore but it just keeps backfiring and blowing the carb of the motor. Im ready to go to a fuel injected machine i think.
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#6
08-07-2010, 04:11 PM
If it's back firing that bad you might have one of a couple things going on, a very lean fuel mixture can cause preignition/detonation etc... or the timing may be off if not then I'd look at the valves not sealing properly letting the explosive force of the combustion push out into the intake and pushing the carb off. Just my opinion here, but EFI is no more reliable than a properly maintained carb system and less problematic to diagnose.
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Coop 45 Mods 2&3
27" ITP 589's
TKO Custom Jetting
EHS Racing Air Box Lid With K&N Filter
Supertrapp Mud Slinger Exhaust
Odyssey PC545 Battery
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#7
08-07-2010, 08:06 PM
take your tank off to get the carb out its much easier.

now here is the thing.

its backfiring you say.

first - check your valve clearance on intake and exhaust. its easy and if they are spot on that directs us away from that.

when does it back fire.. when its under gas? or when your letting off the gas.

if it backfires when your letting off your idle is too lean.

if it backfires when your on the gas it could either be Timing. or very lean main jet / needle.

make sure you dont have any vacume leaks either. or cracks in the boots.

reasons i say timing is you have put a cam in it and if its 1 tooth off you can have problems.

if you find your valves and timing good and within spec ..

clean that carb out before you start changing jets.

soak it in carb cleaner and blow out the passages with air.

and check it again after that.

if its still seeming lean your going to have to richen that thing abit.

and if you want reliability. once you get the bike running again properly just drive it and quit putting parts into it thats usually when these bikes start messing up "speaking from experiance".
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#8
08-07-2010, 09:17 PM
It isn't even running. It backfires while trying to start. It ran good before this. Just started smelling fuel in the garage and rode it a little bit and sometimes the smell would go away then it would come back for a while. THen it was running and a went to unload it from the trailer and it started and halfway off the trailor it died and wouldn't start since. THats when i noticed the fuel running out of the bottom of the carb. Put a new needle and seat in isn't leaking anymore but won't start. I think i will have to take it in. I don't stink about carbs. I had an carbed snowmobile and hated it, it never did run right now have efi and i love it. It always runs awesome so im thinking about selling the 660 for a 700.
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#9
08-07-2010, 09:24 PM
Have you put in a new plug since the carb was rebuilt just wondering if you got it fouled out do to flooding.
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Coop 45 Mods 2&3
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EHS Racing Air Box Lid With K&N Filter
Supertrapp Mud Slinger Exhaust
Odyssey PC545 Battery
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#10
08-08-2010, 12:40 AM
yep put in a new plug.
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#11
08-08-2010, 06:56 AM
ZR600, you need to take the carb off and look at it again. Do you have the jets right? Is the float bowl right? How about your needle? Hole in the diaphragm?

This is not good that you can't get her to idle. Let's figure this out.

Start with the carb. When is the last time you adjusted your valves?
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#12
08-08-2010, 12:45 PM
adjust your valves for one make sure they are set COLD not hot or the bike wont start.

make sure you have vacume lines hooked and no leaks on them or the boots going to carb and out of carb.

vacume line makes your diaphram work in that carb if its kinked it wont keep the slide working properly.

the diaphram also should be checked for kinks if you touched them.

if your float valve stoped working you might have ran junk through the carb it needs to be fully cleaned and had air blown through all the jets

only then will you know where your at.

if it was running fine before and quit its either valve lash or carb most likely
i wouldnt suspect it to jump timing while idleing.
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686"wiseco 11:1"
Stage 2 Mudbuster all Raptor Valve springs
HMF Swampseries XL
K&N filter - Edelbrock Carb -Pingle petcock
HL Extreme Clutch Kit
Complete Yamaha Alum Skid Plating
HL rear Springs. Stock Relocated to Front
Custom Snorkel System
27" BI/Tri Claw magnum's
ITP C Series Type 7 Alum Mags
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#13
12-09-2010, 10:43 AM
I took it in to a guy i kind of know but he has cancer and he has had it about 3 months now and hasn't done nothing so i think im going to go it, and try and check a few things myself, like the valves and recheck the carb, and go from there. If that doesn't fix it ill proably have to take it some where else. Also i have a different cdi on this machine so i switched them out and tried the factory one with no results.
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#14
12-18-2010, 10:22 AM
Well i got the machine back just going to have to make room for it in the garage. Don't have much room in there now have my tractor in there for pushing snow.
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#15
12-19-2010, 08:00 AM
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Originally Posted by zr600 View Post
Well i got the machine back just going to have to make room for it in the garage. Don't have much room in there now have my tractor in there for pushing snow.
ZR600, glad you go her back. I wish your friend with cancer well. I hate that C word.

Time to get out the ZR600, aint it
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