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Carbs rebuilt now wont start! could it be the weather??

Started by kylegod, January 02, 2010, 09:26:51 AM

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The Buddha

Mains pilots washers bolts = kit.

Drilling is for brass caps on air screws or stuck bolts ... wasn't specific to your case, I just put that up as a standard list.

BTW I dont know if you made some error ... my kit wont make a dead bike run ... I think you got something off ...

Damned if my brain isn't on the fritz right now with kiddo screaming "mommy" and mom yelling at me about beer rings ... and asking me to help the kid ... WTF ... and phone ringing ... gaaaa ...

Man, I dunno what could be wrong.

Cool.
Buddha.

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kylegod

Ha dont worry. Take care of your family and priorities. But if anything comes to mind, feel free to post. Im borrowing a charger from my boss/riding buddy tomorrow to get a nice full charge. And one of these nights or weekend days (hopefully this weekend) im going to pull carbs out again for the 50th time and check over one more time. But im almost 100% carbs, fuel, and vacuum lines are all correct. I used the fuel/vacuum line write up on the bottom of the gstwins homepage to put them all back together and double checked in the clymers book. Thanks. Ill PM you if I end up needing that kit. 
'98 GS500E
'94 Honda XR250L

The Buddha

Gaaaa ... that's what I am working on avoiding ...
Cool.
Buddha.
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kylegod

haha! ok then why wont my bike start!!


Just kidding. Have fun... and if anything comes to mind feel free to let me know. I think a solid battery charge, warm garage, and one more look over the carbs will do the job. And if the DJ job drives me bonkers, ill sell it on ebay and buy from you. I have a feeling the latter will happen. Stuff like this never works out for me...
'98 GS500E
'94 Honda XR250L

The Buddha

I've had DJ act up while riding. This could be a first one and pretty bad even for a DJ kit.

I am sorry I have only tuned 1 bike with the kit and not entirely sure how to iron out all its problems.

Let me slowly read your post again.
Cool.
Buddha.
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The Buddha

OK man ... first idea ... pull the carbs off and get those pilots out without disturbing what clogged them.

Its OK if they get ruined, you're better off putting 40's in there. Then send me $10 or find em @ local store.

Cool.
Buddha.
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kylegod

Ok. Will do. What size are stock pilots out of curiosity. And would the floats still fill with gas if the pilots were clogged?
'98 GS500E
'94 Honda XR250L

The Buddha

Floats fill via the float needle and seat. Nothing to do with pilots. For start up its pilots and air screws.

Stock is 37.5 for US bikes. Its 40 for a canadian and european bikes. I sell the 40's and makes for quicker warm ups when cold especially. 1 min in winter, 2 mins in summer before it will hold idle. Yea when its in the teens, make it 2 min.

Cool.
Buddha.
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kylegod

Jeez. Was walking out to my garage last night to rip the carbs out again to check pilots, and ended up ripping my medial meniscus again. Went to my surgeon today, surgery next week. Ugh. So i never even made it to my tool chest to start taking apart again. Hopefully this will be my last knee surgery for a while.
'98 GS500E
'94 Honda XR250L

The Buddha

Oh crap ... yea ... getting better is more important. Dirt in the pilot jet will prolly still be there.
Cool.
Buddha.
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kylegod

Im taking them out tomorrow and checking. Im sure this is it. I got a batt charger and got good cranks. nothing but a backfire or two. Now that i think about it, when i cleaned the carbs i never bothered to check the pilots. ill keep you posted.
'98 GS500E
'94 Honda XR250L

kylegod

Ok took carbs back off and cleaned. Put back together. Jumped battery to car because the battery clearly hates the weather and cant crank fast enough. And it started! After cranking it for about 30 seconds straight. Now I just have to set the idle. It turns off if I dont have the throttle on. I went in after this, I was too frozen to go any further.
'98 GS500E
'94 Honda XR250L

The Buddha

Yeaaaaa ... fine now put 40 pilots in it and go for a ride ... frozen ... what are you a girl.
Cool.
Buddha.
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kylegod

40 pilots work with DJ kit? And no not a girl...Bum knee. Ah who am I kidding Im a girl. hah. I hate the cold. And idle is too screwy yet I gotta set that. Wont run without me being on throttle. Man that idle screw is sensitive. I feel like I can do 15 turns and barely any difference. Any tips or guess on how many turns it is until its semi close to idling without throttle input?
'98 GS500E
'94 Honda XR250L

The Buddha

40 pilots should work in any carb DJ or not ... DJ kit doesn't address that low end leanness.

The idle being insensitive is likely cos its lean down low. Air screw to richen it and pilots too ... then that idle screw should work. There is not set turns, but the butterflies should be open to atleast let a sliver of light through if you look at the sun through the carbs.

If the left and rights are not equal, adjust the center spring loaded screw so they are ... that is called synching. Eyeball synch works pretty well, I've never had to buy a vacuum guage in this many years.

Cool.
Buddha.
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kylegod

ok. A friend of mine has the vacuum gauge so i'm probably going to take advantage of it. But, If i do eyeball it, what am i looking for? So the butterflies are open the same amount on both sides?
'98 GS500E
'94 Honda XR250L

The Buddha

Yes same amount og light on both sides ... sometimes you need to lower the thing with idle screw to get it properly eyeballed, you also should get the butterflies dry and clean ... gas or wd40 can sometimes film up and make it weird and in correct. I think eyeball is more accurate, but some bikes can be a PITA to eyeball, like my maxim X ... beeeeyatch to get the carbs off.
Cool.
Buddha.
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kylegod

Buddha, three questions, please and thank you.

First, you may have said it already and I cant find it, but what size mains do you sell in your kit for pipe, stock box k&n. I believe you said 125 main. Along with 40 pilots and 1 washer above clip on needle...right?

Second, I know DJ has their own sizing, (ie stock is 122.5 and they give you a 122, which is supposed to be bigger?). You sell Mikuni in your package I think? Big difference between the DJ-122 and your 125?

Third, have you ever seen or experienced success with the DJ main 122, with a stock needle rather than the DJ taper, and have it at your suggested 1 washer?

Im really kicking myself in the ass for buying this DJ kit, especially at 70 bucks or whatever it was.

Thanks a bunch.

PS, Have any experience with Honda carbs? Specifically the xr250?

'98 GS500E
'94 Honda XR250L

kylegod

'98 GS500E
'94 Honda XR250L

The Buddha

Quote from: kylegod on January 12, 2010, 09:12:06 PM
Buddha, three questions, please and thank you.

First, you may have said it already and I cant find it, but what size mains do you sell in your kit for pipe, stock box k&n. I believe you said 125 main. Along with 40 pilots and 1 washer above clip on needle...right?

Pipe and air box K&N = 127.5 mains. Pipe and lunch box K&N = 150 mains.

Quote from: kylegod on January 12, 2010, 09:12:06 PM
Second, I know DJ has their own sizing, (ie stock is 122.5 and they give you a 122, which is supposed to be bigger?). You sell Mikuni in your package I think? Big difference between the DJ-122 and your 125?

I suspect their 122 is nearly the same as the 122.5 mikuni. They send you 118 for stock applications. The needle being so steeply tapered compensates for it being smaller.

Quote from: kylegod on January 12, 2010, 09:12:06 PM
Third, have you ever seen or experienced success with the DJ main 122, with a stock needle rather than the DJ taper, and have it at your suggested 1 washer?

122 I have not used, However their 134 for the K&N lunch box and pipe was a bit too loean, mine seemed to work OK with 137.5 mains.

Quote from: kylegod on January 12, 2010, 09:12:06 PM
Im really kicking myself in the ass for buying this DJ kit, especially at 70 bucks or whatever it was.

Thanks a bunch.

PS, Have any experience with Honda carbs? Specifically the xr250?



Sorry no experience with the XR250 carbs, but the  keihein series I have worked on. I could not tell you what jets to run in it but can set up the thing right for a stock bike. I cant however do it for a K&N that is clamped on. Reason is, I dont know how much flow etc will be killed by that air box ... if its really convoluted it can kill off a lot. Since I cant see it, I dunno that aspect.

Cool.
Buddha.
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