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Re: GT250 race engine

how much port work can you do before it is annoying to ride in traffic?
I want to do minor work so it is quick but still reliable and easy to ride in traffic.

Re: GT250 race engine

Hi Steve, My bike has mild porting and would be ok on the road. There are a lot of casting marks that cleaning them away makes a good start. Fit an electronic ignition system as well and you have great spark all the time and no more crappy points and condensers. Also I was wondering if you still have that race motor. Cheers Don.

Re: GT250 race engine

Hey Don,
The cases and crank are no good. The cylinders look ok but the exhaust threads are cross threaded and wont hold anything on them. Im going to hold onto the cylinders to see if i can get them repaired.

you dont have the port timing degrees fo a standard engine at all do you?

Re: GT250 race engine

Sorry mate I don't but Chris has a set of plans for pipes on this site.