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2003 DRZ 125 - Bogs when you turn throttle

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Posted by: GarbatyA4---------------------

Hey,

I'm looking at buying this bike. It starts and idles, once you give it gas... it bogs. Could this be just a pilot jet issue. I'm new to four strokes.

please let know what you guys think. If i should buy or not. I don't think its a serious engine problem. Probably needs carb cleaning.



Posted by: GarbatyA4---------------------

impatient bump... looking at the bike in a few hours.



Posted by: Chili---------------------

Most likely a jetting issue, is it constant or does it get better as the bike warms up?



Posted by: GarbatyA4---------------------

Its constant either warm or cold

it only runs with the choke on... once i take off the choke it dies. And I've tried it outside and indoor heated shop.

Eitehr way, I bought it

$600, all it needs is carb cleaning, front brake perch, clutch adjustment and front tube



Posted by: Matt90GT---------------------

yeah clean the pilot jet. ALso remove the cap from the fuel screw there so you can adjust it.



Posted by: GarbatyA4---------------------

Thanks Matt, Yeah , I researched and found that from factory they put on a brass cap so no one can play with the fuel screw.

I have to check my float height after work. Make sure its within .64-.68"



Posted by: GarbatyA4---------------------

Hello all,

little update.

bike runs well. 1 little issue but i don't think its a big deal.

When you quickly snap the throttle off idle, it bogs. but if you roll it on, its fine. Is this a 4-stroke thing? Or because this is a round slide carb?

I'm thinking Pilot screw needs to go in quater turn ? (too lean?)




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