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Honda CB125SS

Honda CB125 SS

These are interesting as the side cam drive type engine is a lot lighter then the center cam chain type, the bore and stroke also favours higher revs and more performance. The weakness if this machine, rather like the CB92 before it, was the four speed box compromised it's performance, and the lack of a rev counter was also a problem.

These problems were addressed with the very much rarer Honda CB125K2.

Mechanical specification of Honda CB125SS model year 1967:

  • Engine type: Single overhead cam twin cylinder two valve.
  • Bore and stroke: 44mm x 41mm
  • Compression ratio 9:4:1
  • Carburation: twin Keihin 22mm slide type
  • Weight: 110kg
  • Dimensions: 1975mm x 745mm x 990mm
  • Displacement: 124cc
  • Power 15 BHP @ 11000 RPM
  • Torque 1.05kgm @ 9000 RPM
  • Tyre sizes: Front 2.50 x 18/rear 2.75 x 18

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