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Thread: What exhaust cut is this?
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12-02-2019, 07:52 AM #1
What exhaust cut is this?
Pulled the heads off of my 225 Promax and and curious as to what cut is this on the exhaust port? They arnt a arch but have a raised-heightened cut on each one of them. Is this stock or something somebody did?
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12-02-2019, 08:40 AM #2
Maybe somebody just matched the port in the sleeve to the block without smoothing the radius? I would clean it up...
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12-02-2019, 09:41 AM #3Screaming And Flying!
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corrosion on the cylinder liner..
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12-02-2019, 09:50 AM #4
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12-02-2019, 06:55 PM #5
Could be some very heavy chamfering. I agree with nitro_rat and clean it up. Make it uniform.
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12-04-2019, 12:09 AM #6Member
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The 2,5L Merc 260HP has a meassurement from top of port to top of block of 40,5mm
If you could throw a mirror down there you might to be able to see if its hand made or factory made.Last edited by A164; 12-04-2019 at 12:12 AM.
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12-04-2019, 07:13 AM #7
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