My 125cc mojioto seems to be holding back when i take of its also make a grinding sound when im going slowly , I thought it had something to to the the petrol i have only been putting premium unleaded from caltex in ,when i change to bp it seemed to stop for a little and the power of the bike seemed to increase , it is now do the same thing as befor it is only 6 month old ,I was told maybe the carbarator needs to be cleaned ok can any one help me wiht this problem? My 6 month old Mojito 125 seems to have lost it's mojo. After getting a soaking on Tuesday, I noticed a lack of power particularly when pulling away. On my way home last night, the cyclists were getting away from the traffic lights before me and when I had an uphill start the acceleration was terrible. I noticed the engine sounds a little muffled too. No problem at higher speeds though. Any advice would be warmly received.
SOURCE: seems to be hold back and making slght crunching noise
If you are experiencing grinding noises and a power loss, I would look more to the power train and related components. Transmission, wheel bearing, brakes hanging.
With the engine off, I would push the bike slowly to determine if you are able to detect a grinding noise and if there is any resistence when pushing it.
Bill
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assuming this is four stroke, check your oil.
gas should not make a grinding sound. Can you be more specific as to where the sound is coming from?
when did the problem start and when did you last ride prior to that time?
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