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Author Topic: Scored cylinder - please advice  (Read 5869 times)

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Offline Al_Smith

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Re: Scored cylinder - please advice
« Reply #20 on: January 30, 2014, 06:39:19 PM »
It must have snagged the ring on the down stroke which flipped the broken piston piece on top of the piston .I'll bet that thing came  to a halt when it hit the head deck .Clunk!

I'm not familiar with that model .Evidently by the orientaion of the ring it obviously doesn't go into the intake any. Some Stihls had a little protrusion of metal hanging from the top of the intake to keep the ring stuffed .

Offline Coach

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Re: Scored cylinder - please advice
« Reply #21 on: January 30, 2014, 11:13:50 PM »
I have a few of these saws that need work. 2 different models. 371K and 375K. Bad news is this is the 375K, which looks to be rare enough to have no aftermarket pistons available. Bore size on this is 51.4mm.  So may be forced to go with a different size cylinder kit, which are lower cost than an eom piston.

Unless you guys have some different advice.

Offline ZeroJunk

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Re: Scored cylinder - please advice
« Reply #22 on: January 31, 2014, 08:31:28 AM »
I have a few of these saws that need work. 2 different models. 371K and 375K. Bad news is this is the 375K, which looks to be rare enough to have no aftermarket pistons available. Bore size on this is 51.4mm.  So may be forced to go with a different size cylinder kit, which are lower cost than an eom piston.

Unless you guys have some different advice.

The vast majority of those who will tell you not to use an aftermarket kit have never actually done it. I have built a dozen or so and I have never been able to tell any difference running them.


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