I have cultus carby 2007..Recently its engine has been overhauled.new pistons,rings,main big ends changed.carburator also serviced. now it is almost 10k kilometers after overhauling.The problem is very strange.My car losses power at a particular rpm i.e 2200-2300 rpm.It jerks when rpm reaches this.It can reach a maximum speed of 115kmph on cng.i have checked the vacuum advance.checked the centrifugal advance.rotor also snaps back swiftly.checked the pcv valve.
i use shell helix hx7 10w/40 oil.change interval is 4000 kms.
the resistance were also checked:
Cyl No 1=9.74k
Cyl No 2=9.46k
Cyl No 3=6.72k ohms
@Xulfiqar @capsat @smijaz @rustam54 @agoodfriend comments are awaited.
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