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Mine has a drum brake on the front and also forks with springs so its a little better at stopping.

And, just for my personal knowledge, can you take pictures about your monster When its back together I will take a picture but it looks like this but mine is white and blue. http://www.users.globalnet.co.uk/~pattle/nacc/gallery/pr010405.jpg I have put the numbers into 'bimotion port and pipe' softw...

In the uk Suffolk

You are all so helpful, thankyou

bigluck wrote

Exhaust opens 150 degrees
Transfert opens 110 degrees
Intake opens 115 degrees

Did you fit a spacer under the cylinder to change the transfer timings?

Thanks for that article fluke , I have already had it translated. pépé l'arsouilleur Are you looking for a better speed ? Or are you looking for a powerful engine I want more speed and power! Note that our diagram measurements give the time the port is open, and unlike yours, the time after TDC befo...

Can anyone help me with tuning an AV 7 engine?

There is no information in the uk on these engines.

Exhaust opens 113 degrees ATDC
Transfer opens 130 degrees ATDC
Intake opens 48 degrees BTDC

Can anyone help with better timings?

Merci
Ray