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2-Stroke Parts

Find all of your 2-stroke bicycle engine parts below.

View 2 Stroke Troubleshooting Guide Here

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2 Stroke 80cc Replacement Piston for BT80

$11.99

Standard OEM replacement Piston for use with BT80 Engine Kits. The piston is located within the cylinder body and is connected to the connecting rod. Does not include: piston rings, wrist pin, wrist pin bearing, or wrist pin clips.

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BT80 10 Tooth Engine Sprocket

$8.99

Standard OEM replacement 10 Tooth Engine Sprocket for use with BT80 Engine Kits. This 10 tooth drive sprocket mounts directly onto your motorized bicycle engine and is used to turn the rear drive chain.

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BT80 Automatic Clutch

$29.99

Standard OEM replacement Automatic Clutch for use with BT80 Engine Kits. This clutch assembly features a centrifugal clutch that uses three extra strong springs and three clutch pads. Over time with use these clutch pads do wear and require replacement.

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BT80 Chrome Muffler

$24.99

Standard OEM replacement Chrome Muffler for use with BT80 Engine Kits. Featuring a custom flange and streamline design, with a 35mm diameter exhaust port. Due to the unique size most other stock or upgraded mufflers are not compatible and can not be used...

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BT80 Clutch Plate

$29.99

Standard OEM replacement Clutch Plate for use with BT80 Engine Kits. The clutch plate installs directly behind the clutch cover.

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BT80 Clutch Side Cover

$11.99

Standard OEM replacement Clutch Side Cover for use with BT80 Engine Kits. Located on the side of your electric start two-stroke motorized bicycle engine, this cover is intended to keep dirt out of the clutch components.

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BT80 Crankcase Bearing (set of 2)

$6.99

Standard OEM replacement Crankcase Bearings for use with BT80 Engine Kits. Crankcase bearings install into the case of your engine and support your crankshaft so it can turn smoothly.

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BT80 Cylinder Body

$39.99

Standard OEM replacement Cylinder Body for use with BT80 Engine Kits. This cylinder body mounts directly onto the crankcase of your electric start two-stroke motorized bicycle engine.

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BT80 Engine Mounting Bracket

$4.99

Standard OEM replacement Engine Mounting Brackets for use with BT80 Engine Kits. Designed to work with the BT80 kit only, these engine brackets attach directly to the crankcase of your engine and are used to secure your engine to the frame of your...

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BT80 Gasket #1

$1.49

Standard OEM replacement gasket for use with BT80 Engine Kits. This gasket goes in center of the crankcase.