July 15, 200917 yr hi guys hope someone can help.... my 06 beta 250 has started to make a "Funny" noise, when i put the revs on then snap the throttle shut it makes a metallic tinc,just once. it does it in every gear but not when i rev it with the clutch in. i know its hard to diagnose these things without hearing it but any ideas would be much appreciated.
July 15, 200917 yr hi guys hope someone can help.... my 06 beta 250 has started to make a "Funny" noise, when i put the revs on then snap the throttle shut it makes a metallic tinc,just once. it does it in every gear but not when i rev it with the clutch in. i know its hard to diagnose these things without hearing it but any ideas would be much appreciated. Try mixing 50:50 race fuel, with pump gas, and see if it goes away. Most likely pre-detonation from not having a high enough octane fuel.
July 15, 200917 yr new spark plug and a thorough de-coke of the top end. that usually cures the problem.
July 16, 200917 yr So we all reckon it's pinking ; why not firstly just turn the air screw in a bit to see if it's just running weak?
July 16, 200917 yr Author so,new spark plug air screw in abit and if its not gone its pinking??? al get back to you cheers!!
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