another, bogs at takeoff after warm up

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ped
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Re: another, bogs at takeoff after warm up

Post by ped »

noiseguy wrote:Bogging is a lean condition. Idle jet's not adjustable, and you've changed the main jet.

Any of you guys ever try changing out the venturi tube? This is the tube under the main jet. It controls the mix at 1/4 to 3/4 throttle.

Suspect that it's lean for what you're doing. Perhaps get a spare and drill it out? These parts are available from Honda but I've never understood the numbering structure.
thanks. I never change a venturi tube before. I will take a look. when I find the problem I will post it.
I have two other peds with this same setup, and this is the only one that's giving me problems.
Life's a trip enjoy the ride.
94 elite SR, 86 spreedio, polini corsa, keli variator, 8.4, jet. speed 65 mph
spreedio video. https://www.youtube.com/watch?v=BZr46_-douQ
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paulpauly7
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Re: another, bogs at takeoff after warm up

Post by paulpauly7 »

I told you its lean on the pilot jet .What you wont is a jap dio stock carb the have a changeable piot jet and main jet .Ive got two spare but shippng kills the price
86 Nifty Fifty (spree)
ZX disk brake
Kitico 120kmh speedo
AF18 ZX ported
Polini corsa
Malossi crank
CTmani
24mmOKO
40pilot118main
Scorpion pipe
8.44 to 1
Michelin s1
71.3mph
92 yz125, 94 crm250
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ped
CB900F
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Re: another, bogs at takeoff after warm up

Post by ped »

paulpauly7 wrote:I told you its lean on the pilot jet .What you wont is a jap dio stock carb the have a changeable piot jet and main jet .Ive got two spare but shippng kills the price
oh ok. I didn't know they made a stock carb with changeable pilot jet. I need a small carb to save gas. let me see if I can fine one locally. if not I will get back to you. thank you paul. :thumbwink:
Life's a trip enjoy the ride.
94 elite SR, 86 spreedio, polini corsa, keli variator, 8.4, jet. speed 65 mph
spreedio video. https://www.youtube.com/watch?v=BZr46_-douQ
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ped
CB900F
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Joined: Sun Sep 29, 2013 9:54 pm
Location: northeast usa

Re: another, bogs at takeoff after warm up

Post by ped »

I changed the carb with another stock one. and it's still bogging at take off. looks like I will need a bigger carb or one with changeable pilot jets. :confused:
Life's a trip enjoy the ride.
94 elite SR, 86 spreedio, polini corsa, keli variator, 8.4, jet. speed 65 mph
spreedio video. https://www.youtube.com/watch?v=BZr46_-douQ
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ped
CB900F
CB900F
Posts: 1783
Joined: Sun Sep 29, 2013 9:54 pm
Location: northeast usa

Re: another, bogs at takeoff after warm up

Post by ped »

I finally order a new 24mm carb. I hope this fix my bog down problem. I will post a pic when it get in.
Life's a trip enjoy the ride.
94 elite SR, 86 spreedio, polini corsa, keli variator, 8.4, jet. speed 65 mph
spreedio video. https://www.youtube.com/watch?v=BZr46_-douQ
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