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Original Post (Thread Starter)
#823107 05/07/2025 9:07 AM
by GLLOQ
GLLOQ
I have just opened my second 132 cub transsexual version engine which has stopped working with only one cylinder because of a broken valve spring cup, I was planning to take the opportunity to completely overhaul the entire engine but I am going from surprise to surprise I notice on the front cylinder head the exhaust valve is pressed into the valve seat, the new engine has covered less than 10,000 km I hope not to encounter any more unpleasant surprises when I finish dismantling the engine.
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[img]https://i.ibb.co/9kymG2R5/20250506-165651.jpg[/img]
[img]https://i.ibb.co/1yFnZWG/20250506-165941.jpg[/img]
[img]https://i.ibb.co/W4ZxQW4D/20250506-170359.jpg[/img]
[img]https://i.ibb.co/21mBTss9/20250506-170519.jpg[/img]
[img]https://i.ibb.co/hJq7gyFR/20250506-173221.jpg[/img]
[img]https://i.ibb.co/Z67B9gxc/20250506-174543.jpg[/img]
[img]https://i.ibb.co/dsBbgmq7/20250506-174604.jpg[/img]
[img]https://i.ibb.co/DP35ffsL/20250506-174616.jpg[/img]
[img]https://i.ibb.co/0pp9fHCj/20250506-180633.jpg[/img]
[img]https://i.ibb.co/43C29YY/20250506-180644.jpg[/img]
[img]https://i.ibb.co/4Rjz46Ny/20250506-180713.jpg[/img]
[img]https://i.ibb.co/1JhTgTnM/20250506-180736.jpg[/img]
[img]https://i.ibb.co/bGcYx41/20250506-180746.jpg[/img]
[img]https://i.ibb.co/Y7CR3Btz/20250506-180936.jpg[/img]
So for now a twisted intake valve on the rear cylinder and an exhaust valve on the front cylinder, the cracks on the cylinder heads don't worry me I continue to disassemble.
Liked Replies
by GLLOQ
GLLOQ
Herrie
The small drill hole doesn't apply to this tiny crack. Once drilled, it allows for the metal to expand and contract and stabilizes. The only place I have to drill new holes is the cooling cylinders, which weren't designed to operate in the lateral direction of the three-wheeler's cooling. I had already done this when re-engining the 121.
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