Speed Bogging, Think it's carb, want confirmation.

[islandbayy]

Hello all, need opinions.

happened twice now.

Rideing top peed at around 34mph. hit some rough road for about 1 second, then back on smooth road. Then ped starts to die out. I let up on throttle, and bike stops dying. I blast it full throttle again, speeds up for about 1 second and starts to die out again. If I keep feathering the throttle on and off, i can get it up to and keep it at aroud 15mph +-5mph.



I flushed the choke out after the first time, it happened (through the idle screw as seen in a previous thread of mine) and that took care of the problem.

Didnt drive it for about 1 1/2 weeks, been busy. drove it last night 4 miles round trip, no problems, ran suprisingly well.

This morning. I decide to drive it to work. Lovely morning. I get about 1 mile, hit a tiny bump (very tiny) and it starts dieing again.

Didnt have time to flush the carb with seafoam again, and I have absolutly no time to take the carb apart. Just opened a new Nail and Hair Salon, and we are very busy, so thinking of dropping it off at Sportland and have them look at it, but their base tune up charge is $75, plus additional parts and time depending on the problem, and I cant afford nor can I see spending that much

I also run a splitfire spark plug, but problem persists with split fire and regular ngk.

Ideas anyone? Think it's the carb? One other note, the weights on the clutch are a bit flat on a few sides, was going to go this weekend to order some replacments, could that be a cause?

Thanks!

[islandbayy]

Here is video and audio of the problem.

http://pictures.sprintpcs.com/share.do? ... =RETRIEVED


thanks[/img]

[-aL-]

well if you know what your doing, you can clean a carb in like 10 minutes, if you dont... itll be a little longer. id give the carb a good cleaning and make sure the adjustments are correct. if the problem persists, go from there

[islandbayy]

I dont trust myself doing somthing like this



I did my carb flush again, I did it a bit different however.

I drained the carb,
Replaced drain plug screw, removed idle adjustment screw. Filled the carb with Ethanol (E85, which is a good solivent). Yes, I know E85 causes rust, that is why I did not leav it in.

I then drained the carb through the drain plug, to get the e85 out. I then filled the carb aprox 1/2 way with E85, and then the rest with SeaFoam. I then started the ped, ran it idle for 5 minutes, smoked like a B***


then refilled the carb completly with SeaFoam, let it sit for 15 minutes. Took it for a drive, no problem.

Drove to blockbuster, sputtered and started to die, pulled over, ran the sucker at full throttle on the stand for 1 minute, as it sputtered, it backfired-ish, more like farted, and ran great all the way home.


drove it to work today, not a problem. Smooth as *. this tank of gas will really clean the system out, I put in 1 and 1/2 cans of seafoam. Got the nice white SeaFoam smoke coming out with occasional black smoke (probially de-carbonizing my engine). Kinda cool to leave a smoke trail, good thing green peace didnt see me


But drove it a total of 20 miles today, and not one spudder!




^_^
If it happens again, I am going to take it to the shop, have them fix it and put new tires on, and probially clean the breaks.

[-aL-]

i think you should still know how to clean the carb tho... itll save you $$$$$$

[islandbayy]

At the end of the summer, when i have some time, I will give it a go, but I dont trust myself not to screw it up

[berreta22]

You were kinda halfway from rebuilding it when you had the idle screw and stuff out. But yes it can be intimidating..we learned though. That seafoam stuff seems to be workin good for a lot of people..* carry a spare on ya!! Glad its workin out though.

[islandbayy]

I keep a small bottle of SeaFoam in my Scoot at all times, as well as I keep a small bottle of gas in their as well. Not much, just enough to get me home, or to a gas station (About 10 miles worth of gas).

[noiseguy]

Two things:

1) Dying on bumps is common... not sure why. Mine both do this.
2) Make sure you run good injector-intent 2-stroke oil

[islandbayy]

Yep, I run Honda's own oil made for the scoots. I have to order it special since noone around here carries it (the ones that do, charge $13/quart) so I order it for $5/quart.


I Took the screw out again, and used carb cleaner spray, sprayed the carb out, with the drain plug open, so contaminants would flow right out. Seemed to help a bit more, and seemed to gain a lot more pep, and possiably a bit more top speed.

Thanks

[Farfignugin]

mine doesn't die out over bumps... the only time it did that was when i was running it with an inline filter (that was also the cause of many other problems)

[hb32]

Mine was also bogging at high speed. When I first got it, no problem hitting 30 then a couple of weeks later lucky to do 25. Changed the plug and spent many hours tuning the carb to no avail. Read the post on carb cleaning and spent an hour or so this morning taking it apart and cleaning it as described. Also, cleaned the intake and reed valve. Huge difference, no bogging or surging and was up to 31mph . Thanks to the original poster for the help.

[Ozzimo]

been having this exact same problem. Guess its just time to go out and rip that carb a new one.