Single-Cylinder Four-Stroke Bike Engine

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Bounding box: 124 × 89.6 × 168 mm
Engine: 3D Printing B-rep
Parameters: 14
Published: November 13, 2026

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The prompt

4 srroke engine for bike, single cylinder

Parameters

Name	Value	Range
Cylinder bore	40 mm	20 – 60
Piston stroke	40 mm	20 – 60
Cylinder barrel height	55 mm	30 – 100
Crankcase length	100 mm	60 – 160
Crankcase width	70 mm	40 – 120
Crankcase height	70 mm	40 – 120
Crankcase corner radius	6 mm	0 – 20
Cooling fin diameter	80 mm	55 – 120
Cooling fin pitch	7 mm	3 – 15
Cooling fin thickness	2 mm	1 – 5
Cylinder head height	30 mm	15 – 60
Valve cover height	14 mm	6 – 40
Side cover thickness	8 mm	3 – 20
Spark plug angle from vertical	65 deg	30 – 80

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

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