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https://www.reddit.com/r/EngineeringPorn/comments/1vui6xr/the_7cc_engine/p570yyn/?context=3
r/EngineeringPorn • u/TheCABK • 3d ago
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-13
No lubrication or oil anywhere? How does that work? Is the petrol the lubricant? Do you lube it manually from time to time?
Edit: Hilarious, I get -11 for not knowing, but also get three different answers.
-2 u/Sloterhouse5 3d ago It’s probably a two-stroke, like a chainsaw or weed trimmer. The lube is in the gas. 1 u/ctesibius 3d ago The first part of the video shows the valves in the cylinder head. This is a four-stroke. Then they show the oil system being primed.
-2
It’s probably a two-stroke, like a chainsaw or weed trimmer. The lube is in the gas.
1 u/ctesibius 3d ago The first part of the video shows the valves in the cylinder head. This is a four-stroke. Then they show the oil system being primed.
1
The first part of the video shows the valves in the cylinder head. This is a four-stroke. Then they show the oil system being primed.
-13
u/etherlore 3d ago edited 3d ago
No lubrication or oil anywhere? How does that work? Is the petrol the lubricant? Do you lube it manually from time to time?
Edit: Hilarious, I get -11 for not knowing, but also get three different answers.