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Post by sai on Jul 17, 2014 22:55:48 GMT -5
wait 125 is low? What should it have been? I thought that 125 is almost perfect.
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Post by 2TDave on Jul 18, 2014 5:52:49 GMT -5
Did you check compression with the throttle wide open? It depends on what you are running for base and head gaskets. 125 can be okay but I usually like to see 145+. I'm not familiar with your cylinder though. The last stock iron cylinder I tested with 5k miles was 145-155 iirc and my aluminum MKII is 155. If it's running at 95% then it's probably fine. You could hone it yourself and put rings on it or just get the carb dialed in and go from there.
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Post by sai on Jul 18, 2014 9:24:34 GMT -5
Yes, completely wide open. I use an Iron cylinder and aluminum piston malossi 70cc.
Base and head gasket are stock: ring rubber and paper
How do I hone one myself? is it one of those flex brushes?
If I hone it, won't I need bigger piston? Because I was told there is no piston that'll fit =\
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