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View Full Version : Need Help with engine bogging past 1/2 throttle



daniel_250r
11-29-2008, 11:47 PM
hey guys, i got a tri moto 125 2 stroke yester day, it starts idles, but when it gets past 1/2 throttle it bogs severly and cuts out, also sometimes when i was riding it, it would be so weak it would barely move in 1st

Texas1lunger
11-29-2008, 11:52 PM
"bogging" down usually mean its a fuel delivery problem especialy if it idles fine.

Tri-Z Pilot
11-29-2008, 11:58 PM
Would check to see if your airfilter is clean and unrestricted also, but you probably have a mismatched main jet. Does it smoke a lot?

daniel_250r
11-29-2008, 11:58 PM
ok any suggestions on what to do to fix it? my friend suggested it was a clogged jet?

daniel_250r
11-29-2008, 11:59 PM
tried it without an air filter and still no improvment doesnt smoke too much i guess it was really rich before but i leaned it out

Texas1lunger
11-30-2008, 12:03 AM
I did this .... started it and pulled the throdlle til just before it starts to bogg and sprayed in the old carb cleaner, seems to be working so far i'll let you know tomorrow



OH and I put inline fuel filters on

daniel_250r
11-30-2008, 12:07 AM
ok thanks for the quick responses everyone, where can i buy some of that carb cleaner canadian tire?

Texas1lunger
11-30-2008, 12:23 AM
Well to tell the truth I used Spray Gun cleaner but I dont recommend it to anyone I was just lucky .

Tri-Z Pilot
11-30-2008, 12:27 AM
Carb cleaner, ether (starting fluid), or gas work well as a cleaning agent. Clean your carb and bowl, then blow the jets out with compressed air. Let us know if that helped.

daniel_250r
11-30-2008, 12:29 AM
ok i will try it tommorow thanks for the help i will get back too you on the progress