I will note that the pics above that show the exhaust ports show cracks just as my 70hp had.
A atengnr Chief Petty Officer Joined Sep 18, 2006 Messages 482 Jan 11, 2020 #41 I will note that the pics above that show the exhaust ports show cracks just as my 70hp had.
The Force power Commander Joined Feb 3, 2019 Messages 2,250 Jan 11, 2020 #42 atengnr said: I will note that the pics above that show the exhaust ports show cracks just as my 70hp had. Click to expand... Hi atengnr, I remember reading that in your post. I'm curious to what that would have caused? maybe it is caused by over-detonation or just a bad cast :noidea:
atengnr said: I will note that the pics above that show the exhaust ports show cracks just as my 70hp had. Click to expand... Hi atengnr, I remember reading that in your post. I'm curious to what that would have caused? maybe it is caused by over-detonation or just a bad cast :noidea:
A atengnr Chief Petty Officer Joined Sep 18, 2006 Messages 482 Jan 11, 2020 #43 Yeah i dont know if this is occuring just in failed cylinders or even in cylinders with normal wear. Id have to suspect a design issue since i checked 2 blocks that I had and both had cracks in the ports. But dunno.
Yeah i dont know if this is occuring just in failed cylinders or even in cylinders with normal wear. Id have to suspect a design issue since i checked 2 blocks that I had and both had cracks in the ports. But dunno.
The Force power Commander Joined Feb 3, 2019 Messages 2,250 Jan 11, 2020 #44 Chunks of the (cracked) rings coming loose and getting jammed could be a factor for sure.
jerryjerry05 Supreme Mariner Joined May 7, 2008 Messages 17,926 Jan 12, 2020 #45 From wat I understand?? the timing being off or using premium fuel and running too hot could contribute to the cracks
From wat I understand?? the timing being off or using premium fuel and running too hot could contribute to the cracks
The Force power Commander Joined Feb 3, 2019 Messages 2,250 Jan 12, 2020 #46 Yup, it has cracks in the next one over where the piston is not damaged. logic would dictate the piston is not (necessarily) the cause
Yup, it has cracks in the next one over where the piston is not damaged. logic would dictate the piston is not (necessarily) the cause
The Force power Commander Joined Feb 3, 2019 Messages 2,250 Jan 30, 2020 #47 racerone said: Do not use silicone !------Use Loctite 518 or a product called ----" gel seal " ----From your local Johnson / Evinrude dealer. Click to expand... Not that easy to find this product in stores
racerone said: Do not use silicone !------Use Loctite 518 or a product called ----" gel seal " ----From your local Johnson / Evinrude dealer. Click to expand... Not that easy to find this product in stores
R racerone Supreme Mariner Joined Dec 28, 2013 Messages 36,269 Jan 30, 2020 #48 Should be no issue finding that in the GTA area.------No problem for me to find either one !!
The Force power Commander Joined Feb 3, 2019 Messages 2,250 Jan 30, 2020 #49 racerone said: Should be no issue finding that in the GTA area.------No problem for me to find either one !! Click to expand... You would think so, I got my guys in our parts Dept. looking for it now. lol
racerone said: Should be no issue finding that in the GTA area.------No problem for me to find either one !! Click to expand... You would think so, I got my guys in our parts Dept. looking for it now. lol
