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Old 06-11-2007, 09:44 AM
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Join Date: Jan 2002
Posts: 249
Default Liner breakage on .21 engines ?


I would like your opinion on this problem:

last weekend I broke two liners in half of two different motors. It looks like this

The engines where a Novarossi 35 Plus 21 and a JP FX 21 R03.

Both engines were in excellent condition.

I never had this happen to me in three years time.

The only fundamental thing I changed was that i ran the Sirio 2013 exhaust on both engines. Normally I run the Novarossi 2052 exhaust all the time.

Do you think the exhaust can cause such breakage ? Because two engines in a couple hours time is a bit far from bad luck.

Or do you know of other reasons why a liner would break in half ?

Best regards
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