guido,
Just have a couple of questions:

1. How old is the fuel that you are using?

2. Are you running the machine at full throttle?

3. When you have spark is it a dark blue or yellow colour?

Let me know and I might be able to help.

Regards,
Bruce [Linked Image]


Regards,
[Linked Image]

Bruce


Please do not PM me asking for support. Post on the forums as it helps all members not just the individual.