Originally Posted by Wirespokes
With new seals, hopefully it's not them. If it's not air leaks, check out the spark advance - could be sticky old grease.
Could it be a leak between the cases? I applied the silicone rather sparingly.
"When my time has come I prefer to be in the Saddle, rather than the Recliner"
Suzuki Bandit 1250SA / 1999 BMW F-650
1975 Norton 850 Commando / 1974 Kawasaki 500 H-1