Registered Forum User
Big Twin
Bikes: Ducati 749, Phil Read Replica, DD 620
Posts: 1,830
Join Date: Mar 2008
Location: Coventry
Mood: 2011 DD Class 'B' Champion
Ignition igniters, defo. I had mine dyno'd last year 42 bhp but also running rich. I raced it like this untill I tried a new set of igniters. What a difference!! The old ones were not advancing. Also one had black potting and one had blue potting.
Some peeps are using the DP AL9000 units.