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Discussion Starter #1
i have driven my sled three times this year and the third time it would not go above 4000 rpm and eventually it would move and run perfect i changed the plugs and checked the oil and all was good now the check oil light is on IM STUMPED PLEASE HELP
 

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If there is sufficient oil in the tank the light should not be on. Could be the sensor is toast ( usually pretty rare though ). Is it running on both cylinders? Check for fuel and spark? Have you done a compression test?
 

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get ready to buy a new engine for it . i had a 2001 xcf and i went threwe 9 motors in 2 years. warrenty luckly but my last motor did that u would hold it wide open and it does get any rpm and once and a while its goes a bit faster. i melted down both cylinders taht day. io hope it not taht with urs tho
 

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Discussion Starter #4
its running both cylinders the oil is half full thats probally why the light is on i checked the compression a month ago and it was 150psi so its not that but i probally should check it again im gonna change the oil filter and see if that helps
 

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They fry motors because your not jetting right. its a race sled for that year and it is EXTREMLY finiky. you need to rejet every 5 degres were i live. it was a horible motor i ran a modded 488 then a 550 in my 2001 xcf sp chasie.
 

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i'm thinking your gonna need a new motor. might as well buy a 6hundo and drop in the chassis
 

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and then some heat exchangers and spend a long time making it into a liquid when itd be cheap to buy a bag full of jets or a tempaflow.
 

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Tempa flow wont fix the problem on this sled, extremly finiky. the best bet would be put the 440 motor on ebay and spend 300 and upgrade to a 550, so simple to put in that chasie.
 
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