2001 Honda CRF 100 F

[DLBeltran74 47]

Check it out, I have a 01’ CRF 100 F that I am having trouble figuring out why it will not stay on. And yes, I cleaned the carb. I checked the valve clearance and it appears to be in spec. I’m not very good at messing with the valves but I think I got it right. Well, when I start it, it only starts on choke. Once it starts up, it revs real high. When I switch the choke off it bogs down and eventually turns off. It doesn’t run long enough to adjust it. Does anyone have any idea what could be happening?

[shadetree 5,877]

carb is not right.

[DLBeltran74 47]

Ok, I took the carb off and cleaned the crap out of it. Now…..it turns on first kick but just on choke. If I try to turn the choke off it dies immediately. If I leave it on choke, I can barely twist the throttle and when I do, the bike revs up and down on its own. I cleaned the carb, put it through a couple of cycles in the unltrasonic cleaner, sprayed it good with carb cleaner and blew through every hole possible with my compressor. It was spotless when I put it back together. No gas leaking through the over flow, I couldn’t have gotten it any cleaner unless it was brand new. So someone……please help me figure this out!

[shadetree 5,877]

14 minutes ago, DLBeltran74 said:

Ok, I took the carb off and cleaned the crap out of it. Now…..it turns on first kick but just on choke. If I try to turn the choke off it dies immediately. If I leave it on choke, I can barely twist the throttle and when I do, the bike revs up and down on its own. I cleaned the carb, put it through a couple of cycles in the unltrasonic cleaner, sprayed it good with carb cleaner and blew through every hole possible with my compressor. It was spotless when I put it back together. No gas leaking through the over flow, I couldn’t have gotten it any cleaner unless it was brand new. So someone……please help me figure this out!

9 out of 10 times, if they run with just the choke and not idle with the choke off ?, then the idle jet is stopped up !.

[spock 42]

Is this the stock carb on this bike? It's possible something is missing...is there a retainer clip under the main spring inside the slide? It is W shaped and keeps the needle from moving when it shouldn't.

[shadetree 5,877]

On 6/6/2022 at 7:51 PM, DLBeltran74 said:

Check it out, I have a 01’ CRF 100 F that I am having trouble figuring out why it will not stay on. And yes, I cleaned the carb. I checked the valve clearance and it appears to be in spec. I’m not very good at messing with the valves but I think I got it right. Well, when I start it, it only starts on choke. Once it starts up, it revs real high. When I switch the choke off it bogs down and eventually turns off. It doesn’t run long enough to adjust it. Does anyone have any idea what could be happening?

i just tried looking this bike up, no listing showing on partzilla for a '01 honda crf 100f bike anywhere ?..are you sure of the make and year ??.

[shadetree 5,877]

only crf100f that pops up on partzilla is a 2004 year model, which tells me, you got the wrong carb ?, or rebuilt the carb with the wrong carb kit ?. honda did not make the crf100f in 2001.

[DLBeltran74 47]

My mistake!!!! Yes it is a 2004! No it does not have a stock carb on it. I purchased the bike for $600 at a auction, 

[shadetree 5,877]

1 hour ago, DLBeltran74 said:

My mistake!!!! Yes it is a 2004! No it does not have a stock carb on it. I purchased the bike for $600 at a auction, 

i would start with a stock oem carb, after market carbs are a hit or miss..mostly miss !..lol.