Honda motorcycle parts
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1970 Honda CB350K2 · Tools & Service Hardware Buying guide
The useful workshop choices are specific rather than interchangeable. Identify the rear hub retainer, check the alternator rotor’s puller thread and use the parts diagram to confirm any replacement rotor hardware needed.
Rear bearing retainer toolTool for retainers 41231-286-000 and 41231-429-000, with 22 mm hex and 3/8-inch square drives.View part
Alternator rotor puller16 × 1.5 mm threaded puller, specifically listed for the 1968–72 CB350K.View part
Genuine Honda 16 mm lock nutGenuine Honda 90231-KCS-651 lock nut, sold individually. Match the service location and original reference.View part
The bearing-retainer tool uses either a 22 mm hex or 3/8-inch square drive. The alternator puller instead threads into the rotor at 16 × 1.5 mm. Select the tool for the assembly being serviced rather than using either as a general-purpose extractor.
The genuine 16 mm lock nut is sold individually, and the K2 oil-filter diagram identifies the corresponding rotor location. Check the old nut and assembly before ordering. Its 16 mm designation should not be mistaken for the drive specification of the tools shown here.
It engages the rear wheel bearing retainer ring described by the product. Plan the remaining bearing-service steps and equipment from the Honda manual rather than treating it as a complete bearing-extraction kit.
Check the installed rotor’s 16 × 1.5 mm puller thread first. The original CB350K application does not establish the thread on a substituted rotor or altered charging-system assembly.
It is replacement genuine Honda hardware, supplied individually. Use the K2 oil-filter diagram to confirm its rotor location and choose the necessary removal and installation tools separately.
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