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Cracks or casting marks?

msgt van

msgt van

Lifetime Member
Joined
Mar 21, 2014
Messages
199
Location
Kasota, MN
Country
USA
Snowmobile
2008 Apex LTX
Wondering if I have a cracked secondary, or just some casting marks.
PXL_20231024_200533802.jpg
 

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Casting marks. I’m my experience, the clutch sheaves tend to begin cracking where the most heat is generated, where the belt rides the most.
 
Casting marks,
 
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