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Unread 05-27-2009, 12:06 PM
jjjtronics's Avatar
jjjtronics jjjtronics is offline
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Join Date: Jun 2007
Location: Puerto Rico
Posts: 238
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Simply amazing !!!!!!!!!!!!!!!!!!!!!!!!!!!
Not hard to believe since it`s an old Yami.
I checked the compression on all six cans, and this is it :
ALL but one, very close to 100 psi, the one lowest, 98 psi.
The manual states ; Minimum Comp. Press. = 520KPa.
If my calculations are right, 100 psi is around 690Kpascals.
SO... !!!! the motor is still in the fight !!!
Next is the impeller check and replacement.

PERHAPS I underestimated how tough this older Yamis are.

What a relief !!!! Anywho, a 4 stroker is still on my mind, maybe a Johnson or a Suzuki 140.
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