Dreadnought
Well-Known Member
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- 50
I've got a feeling that I'm going to regret this, but:
I'm looking for some basic help on tuning up a Zenoah G230:
FIrstly what squish clearance should I aim for and is this best achieved by removing the the base gasket or machining the flange on the head / barrel?
Inlet port, very roughly is it better to raise or lower it and by how much?
Same question for the exhaust port?
Is it worth matching the piston skirt to the inlet port and are any other modifications required?
Inlet, does increasing the length help, or would aftermarket reed valves be better?
Finally, carb, would a 990 be best or something else?
I'm not looking to go to the wild side of tuning just get the standard motor to a good state with minimal work.
Cheers
I'm looking for some basic help on tuning up a Zenoah G230:
FIrstly what squish clearance should I aim for and is this best achieved by removing the the base gasket or machining the flange on the head / barrel?
Inlet port, very roughly is it better to raise or lower it and by how much?
Same question for the exhaust port?
Is it worth matching the piston skirt to the inlet port and are any other modifications required?
Inlet, does increasing the length help, or would aftermarket reed valves be better?
Finally, carb, would a 990 be best or something else?
I'm not looking to go to the wild side of tuning just get the standard motor to a good state with minimal work.
Cheers