These piston and ring options are listed for the 1982 CB900C Custom in standard size. A ring-only repair and a complete piston replacement require different orders, but both start with measured bore condition and confirmation of what is already fitted.
Secure your piston pins with this 2-pack of 15mm Piston Pin Clips, Japanese made to superior quality and replacing OEM Ref. #94601-15000. Exceptionally broad...
1980 Honda CB900C Motorcycle Parts1981 Honda CB900C Motorcycle Parts1981 Honda CB900F Motorcycle Parts1982 Honda CB900C Motorcycle Parts1982 Honda CB900F Motorcycle PartsHonda CB Engine PartsHonda CB Pistons & Ring SetsHonda CB900 Motorcycle Parts by Model & YearHonda CB900C Custom Motorcycle Parts (1980–1982)Honda CB900F Supersport Motorcycle Parts (1981–1982)Series 4: CB900-1100 (80-83)
Rebuild your CB900 cylinders with this Standard-Size Piston Ring Set, OEM #13011-438-004 (Std.). Japanese-made, superior quality.Note: this set includes piston rings to rebuild one...
1980 Honda CB900C Motorcycle Parts1981 Honda CB900C Motorcycle Parts1981 Honda CB900F Motorcycle Parts1982 Honda CB900C Motorcycle Parts1982 Honda CB900F Motorcycle PartsHonda CB Engine PartsHonda CB Pistons & Ring SetsHonda CB900 Motorcycle Parts by Model & YearHonda CB900C Custom Motorcycle Parts (1980–1982)Honda CB900F Supersport Motorcycle Parts (1981–1982)Series 4: CB900-1100 (80-83)
Upgrade or rebuild your classic Honda motorcycle engine with this Standard Size Piston Kit — complete with piston, piston rings, and piston pin. This...
Confirm the finished bore before ordering the four-cylinder rebuild
A 1982 model year does not reveal whether the engine has already been bored or fitted with replacement pistons. Measure each cylinder and piston before selecting these standard-size options, then calculate one ring set or complete kit for each position being repaired.
Honda’s inspection checks both the cylinder and piston, including the ring grooves and the gap of each ring in its cylinder. New rings will not repair a cracked piston, worn grooves or an out-of-limit bore. Ask the rebuilder to establish the finished size before choosing the standard ring set or standard piston kit.
Keep each cylinder’s measurements and parts together
The listed ring set covers one piston. The complete kit adds one standard piston, pin and clips. Label the cylinders and record their measurements so one good bore does not stand in for all four. The Honda procedure requires engine removal for this work, so include the disturbed head and base sealing parts in the plan.
Pistons & Rings questions
Does a standard-size marking mean the old piston can be reused?
No. Inspect its skirt, pin bore and ring grooves, and measure its clearance in that cylinder. A worn standard piston remains standard in name but may be unsuitable for new rings.
Can new standard rings fix an enlarged or oval bore?
No. Measure the cylinder at several heights and in two directions. If wear or previous machining requires a different finished bore size, choose the matching piston and rings with the rebuilder rather than forcing the standard set into the repair.
What checks still matter when using a complete piston kit?
Confirm the finished bore, piston clearance and ring gaps; a kit does not remove those checks. It already includes the pin and clips for one piston, so compare the supplied contents before adding duplicate small parts or calculating the order for all four cylinders.
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