Honda CB350 Road Racer Project
The bike could be described as a Honda CB350, a Replica CYB350, a Cafe Racer, Boy Racer, Road Racer, Clubman or just John's Honda.

 

Honda CB 350 Engine Specifications  
Engine type: Four stroke twin, 180 degree SOHC, two valves per cylinder
Compression Ratio: 9.5:1
Bore & Stroke: 66 x 50.6 mm
Camshaft: Standard CB cam, optional high lift full race cam
Power Band: 5,000 to 10,500 RPM with a safety zone of +1,000 RPM
Peak Torque: 9,500 RPM
Power Rating: 36 HP
   
Transmission: Five speed, constant mesh, wet, multi-plate clutch
Primary Reduction: Gear, 3.714:1
CB250/350/500-4
Std. Gear Ratios:
(1) 2.353, (2) 1.636, (3) 1.269, (4) 1.036, (5) 0.900
K0 SL Gear Ratios (1) 2.353, (2) 1.636, (3) 1.280, (4) 1.036, (5) 0.900
K2 SL Gear Ratios: (1) 2.866, (2) 1.800, (3) 1.333, (4) 1.035, (5) 0.870 (US Set)
Six Speed ratios: (1) 2.5, (2) 1.75, (3) 1.375, (4) 1.111, (5) 0.965, (6) 0.866
Final Reduction: 1.94 (33/17), 2.06 (33/16), 2.11 (36/17), 2.25 (36/16), 2.235 (38/17), 2.375 (38/16) [SL K0, 2.5 (40/16) and SL K2, 2.625 (42/16) final ratios]
   
Electrical  
Ignition: Two sets of points, one sparkplug per cylinder, NGK B8ES
Timing: Max. 27 - 33 BTDC
Advance Start: 1600 - 2000 RPM
Maximum Advance: 3200 - 3800 RPM
Altenator: 100 Watt AC generator
Battery: Battery eliminator
   
Carburetion: Two Keihin 36mm CV, cable operated. Main Jet #140
Fuel Octane: 95 or above
   
Lubrication: Forced by pump to engine and gearbox, wet sump
Sump Capacity: 2L 20W40
   
Weight: 160 KG's with full fuel tank and oil (wet)

 

 


Start | Feb 2001 | March 2001 | April 2001 | May - September 2001 | September 2001 - March 2003
CB350 Engine specs | Final spec's | Detailed photo collection | CYB350's

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