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For sale is a genuine OEM Honda engine bottom end assembly removed from a 1972 Honda CT90 Trail 90 K4.
Unlike many bottom-end assemblies, this one also includes the cylinder and piston as shown in the pictures.
The assembly includes the crankcases, crankshaft/connecting rod, internal transmission components, cylinder, piston and other internal parts that remain installed or are shown in the photos.
Major OEM Part Numbers / Components:
- 11100-052-040 – Right Crankcase
- 11200-102-701 – Left Crankcase
- 13000-028-040 – Crankshaft Assembly
- 12100-028-150 – Cylinder
- 12100-056-670 – Earlier Cylinder Number / superseded by 12100-028-150
- 13101-028-070 – Standard Piston
- 23220-053-020 / 23220-053-030 – Transmission Countershaft applications
- 23800-053-000 – Drive Sprocket
- Original Honda transmission gears and related internal components as pictured
1972 Honda CT90 Trail 90 K4The 1972 Honda parts catalog identifies the engine range for the CT90 K4 as CT90E-1400001 through CT90E-1499999.
Many individual engine components were used on other years of the Honda CT90 Trail 90, but buyers should verify the engine number, individual OEM part numbers and pictures when purchasing for a different year.
Please look closely at all pictures to see exactly what is included. Anything not shown in the pictures should not be assumed to be included.
This would be a great original Honda engine assembly for rebuilding a 1972 CT90, restoring a Trail 90, or for hard-to-find OEM engine and transmission parts.
Please view all pictures as they are an important part of the description. You will receive the exact engine, cylinder, piston and components pictured.
