Thanks to all who replied!! RE: YS 140L tuning questions

[Ihncheol Park]

Finally, 140L is running great (still have to tune a little bit more).
I have to replace my Tru Turn 814A adapter.  (found the thread messed up).
The gas porting update actually give more compression (better seal by
expanding the ring?), so I am going to install another head gasket (total
4).

After 10 runs of approximately 3 minutes each time, the engine has very
strong compression.  I can not turn the crankshaft over the compression with
my fingers on the drive washer.

So far, I haven't check it, but the cam gear seems to be fine without any
damage.  If there is a damage, I should be able to fee the metal bits when
turning the crank.  Right?

thank you all who replied~~

Ihncheol Park


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