20 Most Recent RTO Quads 125cc Full Size Adult 4 Wheelers ATV Questions & Answers


Does it die as you twist the throttle or after riding it a short distance? I know its seems a silly suggestion but are you turning the petcock in the correct direction? Try the twister in all of the setting positions and see if a different one fixes the problem. Keep in mind if it dies on a throttle twist it might not be fuel causing the problem.

RTO Quads 125cc... | Answered on Oct 27, 2017


china is junk, why its so cheap. contact your state attorney general.

RTO Quads 125cc... | Answered on Jun 19, 2017


If its a 2 stoke,"takes gas oil mix", piston in backwards,, ,,,,if its a 4 stroke "takes gas only"...rocker arms need adjusted, or cam not set in proper place during resembly "out of time". Or a. Bent valve/valves,,,in the head, valve will have to be replaced

RTO Quads 125cc... | Answered on Oct 03, 2015


hello. You can adjust the float with a height tool.

wiki.answers.com/.../How_do_you_adjust_float_in_a_Mikuni_carb

dealer can give you the specs

RTO Quads 125cc... | Answered on Dec 08, 2014


Make sure you have compression and fuel too.

RTO Quads 125cc... | Answered on Oct 20, 2014


sounds like somethingin rear assbly wore letting axel angle a liile misaligning sprockets

RTO Quads 125cc... | Answered on Sep 27, 2014


clean idle jet. If that does not do it. back out fuel mixture screw 1/4 turn

RTO Quads 125cc... | Answered on Sep 11, 2014


i would adj valves 1st and go from there. rings maybe stuck if it has sat a while w/o being started. run a compression test on it should have something at least. no compression doesnt sound right to me. if so rings stuck can be freed if so ,sometimes fixes it ,sometimes breaks it

RTO Quads 125cc... | Answered on Jul 17, 2014


This is a Lynn Edwards hand drawn schematic (scroll down)

http://forums.atvconnection.com/chinese-quads/323218-150-cc-taotao-wont-start-no-spark-2.html

This should be exactly what you need. Took a while to find it.

Kelly

RTO Quads 125cc... | Answered on Jul 17, 2014


see this link below.
look on the left and you can click on each model you should be able to id it from the pictures....also the cylinder should say the cc size on it somewhere.


Welcome to Dinli USA

RTO Quads 125cc... | Answered on Jun 05, 2014


Have you checked for spark? That's where you need to go to first. Take out the plug, put it back on the plug wire and hold it against the cylinder head. Kick over the motor and watch for spark.

RTO Quads 125cc... | Answered on Jun 01, 2014


sounds like you didn't get the pilot jet /air screw / idle circuit clean.
the symptoms sound like the pilot jet needs cleaning.. the jet has a VERY tiny hole that's easily blocked or dirty

RTO Quads 125cc... | Answered on May 26, 2014


Pilot jet may be t o small or your air screw isn't adjusted right try turning the air screw in all the way then turn out 1full turn test and adjust until it runs good if that doesn't fix it the pilot jet will need to be cleaned or brought up one size hope this will help you good luck

RTO Quads 125cc... | Answered on May 26, 2014


Carb has bad gas in it and the float needle is stuck shut thus not letting fuel into the carb

RTO Quads 125cc... | Answered on May 14, 2014


Go on ebay and buy a new CDI computer those bikes are notorious for computer failure.

RTO Quads 125cc... | Answered on May 14, 2014


There is a Manuel shift shaft looks like bolt head on the left foot side towards the back were your heal sits try shifting to neutral there change your oil and only use Honda hp4 motor oil otherwise your electric shift solenoids get stuck and won't shift

RTO Quads 125cc... | Answered on May 14, 2014

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