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Ash C
14-05-07, 08:54 PM
rite, i've just finished the nova and booked it in for a rolling road to set the carbs up tommorow so thought i'd take it out make sure everything worked ok on it as its goin for an mot aswell. when i was coming back it devceloped a loud popping noise from number 3 cylinder, but it doesnt do it wen its ticking over like its firing with a valve open?? could it of bent a valve or is it just out of timing (it wasnt bang on in the first place but ticked over fine)

help please!!!!!!!!

Jon_nova1
14-05-07, 08:56 PM
how do you know its coming from cylinder 3?? it wouldn't have bent a valve, that would have happened on your driveway lol

Ash C
14-05-07, 08:59 PM
how do you know its coming from cylinder 3?? it wouldn't have bent a valve, that would have happened on your driveway lol

because if i put my hand over no. 3 it goes quite lol

edit the trumpet i mean

Adam
15-05-07, 12:22 AM
What are the carbs setup for atm?
Popping back through the carbs can be a sign of a lean mix, or retarded ign timing.

Ash C
15-05-07, 06:19 AM
What are the carbs setup for atm?
Popping back through the carbs can be a sign of a lean mix, or retarded ign timing.

well the bloke i bought them of said they were off a 1.6?? it pops on every stroke aswell.

Stuart
15-05-07, 08:03 AM
number 3 has always been the odd one (even on the XE) not sure why lol.

just mention it at the RR and see if they can sort it