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MARINER 60 Japanese engine parts help

T

tckind

New member
"Hi, I am new to the forum and

"Hi, I am new to the forum and can use some help. I have a mariner 60 2 cyl engine serial #675L31052 that has a hole in the #1 piston. i pulled the engine apart yesterday and it looks okay otherwise no scoring at all. I need to locate a piston and gasket set. The connecting rod has yamaha stamped on it.Can anyone tell me what model yamaha engine this may be? I can't seem to find parts as a Mercury Mariner. Thanks in advance. Tim"
 
"Hi Tim, I'm not going to

"Hi Tim, I'm not going to be able to help you in anyway, the guys that are able are away fishing,but I am curious,can you post a pic. of the piston.I'm just nosey.
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"HERE IS A PIC OF THE PISTON I

"HERE IS A PIC OF THE PISTON I THINK THE DAMAGE WAS CAUSED BY AN AUTO SPARKPLUG.
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PISTON PIC
 
"Looks like the plug was to lo

"Looks like the plug was to long. If you go to the list on the right side,click Engine Parts by brand,click Mariner parts, it gives you a list of parts and a cross ref# for sierra.Good luck and thanks for the pic. Curiosity satisfied.
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"This motor was based on Yamah

"This motor was based on Yamaha's model 60AE that was in production between 77-79, so you may be out of luck with them as well.

Personally I would do a websearch and see if there is a "Wiseco" dealer in your area and take the piston to them. It's possible they can find a match for you..."
 
"Hey mate the piston you have

"Hey mate the piston you have has signs of detonation possibly due to over advanced timing, poor fuel and or over loading due to the prop being too big"
 
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