Quick view 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.
Quick view 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.
Quick view BT80 48 Tooth Rear Sprocket Installation Kit $29.99 OEM BT80 rear sprocket kit. Includes 48T sprocket and standard installation (rag joint) kit – can be used with most 2-stroke and 4-stroke 415 chain-driven rear wheel engine kits.
Quick view 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.
Quick view BT80 Battery Box and Mounting Brackets $9.99 OEM battery box used to hold the starting battery for BT80 engine kits. Includes 2 piece plastic box, front and rear bicycle frame mounting brackets, and hardware.
Quick view 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...
Quick view BT80 Clutch Lock Nut $0.99 Standard OEM replacement Clutch Lock Nut for use with BT80 Engine Kits.
Quick view BT80 Clutch Needle Bearing $5.49 Standard OEM replacement Clutch Needle Bearing for use with BT80 Engine Kits.
Quick view 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.
Quick view 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.
Quick view 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.
Quick view BT80 Crankshaft and Connecting Rod $39.99 Standard OEM replacement Crankshaft and Connecting Rod for use with BT80 Engine Kits.
Quick view BT80 Crankshaft Oil Seal $1.99 Standard OEM replacement Crankshaft Oil Seal for use with BT80 Engine Kits.
Quick view 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.
Quick view BT80 Drive Shaft $8.99 Standard OEM replacement Drive Shaft for use with BT80 Engine Kits.
Quick view BT80 Electrical Box and Mounting Hardware $9.99 OEM plastic box that houses the main BT80 electrical components (CDI, voltage regulator, and starting relay - sold separately). Includes bicycle frame mounting bracket as well as hardware to attach and secure the component parts.
