Yar my advice nai kar khod tuning magr agr apko mixer ko set karnay ka idea hai to kar lo air filter nikhal ke saf kar or carburettor ko khol ke jitnay b holes hai sab mai ponkh mar ke saf kar phir sparking plug ko khol ke saf kar achi tarha.chain ko dhak agr lose hai to titee kar. Tappet check kar its much work bro i would strongly suggest u to let mechanic do these job coz they know how to do it easily but if you want to do it urself than do the above steps.
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