Honda motorcycle parts
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1977 Honda CB550F · Speedometers & Tachometers Buying guide
The MPH and KPH speedometers provide separate scale choices. The featured compact tachometer uses a 7:1 mechanical drive and needs its own bracket. Inspect the existing instrument layout before deciding between a complete gauge and lower-cover restoration.
Stock-style MPH speedometerBacklit 0–120 MPH face; specified cable-drive ratio is 2240 rpm at 60 MPH.View part
Stock-style KPH speedometerBacklit 0–240 KPH face; specified cable-drive ratio is 2330 rpm at 100 KPH.View part
Black custom 7:1 tachometer2.25-inch mechanical tachometer with LED illumination and V-plate; mounting bracket required separately.View part
Related parts: Chrome custom 7:1 tachometer · Aftermarket speedometer lower plate · Aftermarket tachometer lower plate
The MPH instrument has a backlit 0–120 MPH face and specifies 2240 rpm at 60 MPH. The KPH instrument has a backlit 0–240 KPH face and specifies 2330 rpm at 100 KPH. Their artwork may differ from the original year’s face, so compare both the specification and the look you want to retain.
The black custom tachometer is a 2.25-inch, 7:1 mechanical gauge with LED illumination and a V-plate; the bracket is purchased separately. The linked aftermarket speedometer and tachometer lower plates instead replace chrome housing covers. Compare their original references and shape when keeping the existing gauges.
The listings allow for artwork differences from the original model-year face. Compare the product face with the look you want, alongside scale and drive ratio, before choosing an MPH or KPH instrument.
Do not use the grid tag as proof of the drive ratio. The featured black tachometer and linked chrome alternative are the 7:1 mechanical choices listed for the CB550F. Compare the actual fitted drive, especially after an instrument conversion.
Treat them as instrument-specific parts. The speedometer plate replaces reference 37236-426-000; the tachometer plate replaces 37246-426-000, with 37246-404-000 also referenced. Compare the existing housing and plate shape before ordering the correct side.
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