This is a genuine factory Honda 85 cm³ air-cooled engine cylinder block, also known as a cylinder barrel or jug. Made from heavy-duty cast iron, it is designed for Honda horizontal single-cylinder 12V four-stroke OHC engines. Deep cooling fins help dissipate heat, while the GB1 casting mark and 47 mm standard bore identify the correct factory specification. Technical Specifications - Part Type: Engine Cylinder Block / Barrel / Jug - OEM Part Number: 12101-GB1-900 - Casting Stamp: GB1 - Engine Displacement: 85 cm³ - Bore Diameter: 47 mm - Material: Cast Iron Compatible Models & Fitment - Honda Super Cub C90 / C90M / C90-E (HA02) — 1985–2002 - Honda TRX90 Sportrax — 1993–2005 Fitment Note: Designed for 12V square-head Honda engines. It does not fit early 6V CT90, CL90, ST90, or older C90 engines. Verify the GB1 casting mark and OEM number before purchase.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used degreaser
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Estimated delivery: 2-5 business days
All items are carefully packaged for safe transit
Items can be insured — contact us for more information
30-day return policy on most items
Items must be in original condition and packaging
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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