Hey guys, today I'm assembling & running a miniature (17.5 cc) OHV engine. With adjustable timing, a proper cooling system, lubrication system and multi ring pistons, this tiny engine is as close as it gets to the real thing.
Turn on captions to follow along with the build.

Engine specs:
-Displacement: 17.5 cc
-Output: 2.5 hp
-RPM range: 1,500 - 8,000 RPM
-Fuel type: gasoline (min. 92 octane)
-Weight: 1.3 kg (46 oz)

CISON L4-175 Engine: https://amzn.to/3S3uqSM
CISON V8 Engine: https://amzn.to/3S00K9m
Electric Screwdriver: https://amzn.to/43wqsFU
Mini Torque Wrench: https://amzn.to/4bj9QG2
Assembly lube: https://amzn.to/3Q8T0jj
Feeler Gauge: https://amzn.to/4eYxrxE
My Borescope: https://amzn.to/3VYtRLb

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