| Hi Nik,
By the way what fuel do you use?
Ive been using shell optimax for quite a while, have recently stopped using it and reverted back to standard unleaded and dont seem to have any coughing or hesitations at all.
Think i'll save some money and stick with standard unleaded, seems to go better anyway.
Maybe the Duc's dont like the high octane!!
Cheers
Mark. | 
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