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I have a 92 750sx that i recently bought. The engine had not been run in while so I pulled it apart to reseal the motor. When I was putting the top end back on I cracked a ring. I'm pretty sure the motor does not have the stock bore. The only markings on the piston are "100" on the top center of the piston. Does this mean its bored over? What size would this be? Any help would be great so I get a new set of rings and get this thing on the water!
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Re: 750sx piston ring size
sounds like 1mm over bore see who's piston it is so you can get the correct rings for it. What name or markings are on the piston?SBT Tech Support is here to help with your problems.
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Re: 750sx piston ring size
thanks for the response. I dont see any brand markings on the piston. i'm assuming its an oem replacement. it does not look like anything performance. are there any symbols or markings that i should be looking for? where would they be?Comment
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Re: 750sx piston ring size
On the inside of the piston you may see a brand or nameSBT Tech Support is here to help with your problems.
We try to answer each question quickly and accurately.
Please do not use Private Messaging for Tech Support, use the forums.Comment
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Re: 750sx piston ring size
the front piston says "art s2" and the rear piston says "art s1"Comment
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Re: 750sx piston ring size
sounds like O.E. pistons that are 1 over, you will need to get O.E. rings, Not aftermarketSBT Tech Support is here to help with your problems.
We try to answer each question quickly and accurately.
Please do not use Private Messaging for Tech Support, use the forums.Comment
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