1970 Honda SL350

 

Motorcycle Supplies

 

1969-1972 Honda SL350 Full Specifications

Get to know the 1969-1972 Honda SL350 in exquisite detail with our meticulously crafted motorcycle specifications tables.

Click or tap on a navigation pane below to find your way through our highly detailed, categorised 1969-1972 Honda SL350 specifications.

 

1969-1972 Honda SL350 Performance Specifications Table

AttributeValue
Climbing ability25 o
Fuel consumption115 mpg (average)
Braking distance15.0 m @ 31 mph
Minimum turing radius4,200 mm
 

1969-1972 Honda SL350 Dimensions Specifications Table

AttributeValue
Overall length2,020 mm
Overall width845 mm
Overall height1,180 mm
Wheelbase1,340 mm
Seat height840 mm
Footpeg height320 mm
Ground clearance210 mm
Wet weight165 kg (fuel and fluids)
 

1969-1972 Honda SL350 Frame Specifications Table

AttributeValue
Frame typeSemi-double, cradle
Rake / Caster angle62 °
Trail length110 mm
 

1969-1972 Honda SL350 Engine Specifications Table

AttributeValue
Power33 bhp @ 9,500 rpm
Torque26.7 Nm @ 8,000 rpm
Engine capacity / displacement325 cc
Engine configurationTwin cylinder, OHC
ArrangementTwo cylinders in tandem
Bore and Stroke64.0 mm x 50.6 mm
Compression ratio9.5 : 1
Electric startyes
Engine weight54 Kg (dry)
 

1969-1972 Honda SL350 Valves and Springs Specifications Table

AttributeValue
Intake valve clearance0.01 mm - 0.035 mm
Intake valve lift6.876 mm
Intake valve concentricty of valve facewithin 0.03 mm
Intake valve stem diameter6.975 mm - 6.99 mm
6.955 mm (service limit)
Intake valve guide diamater7.00 mm - 7.01 mm (bore)
Intake valve guide diameter7.05 mm (bore service limit)
12.56 mm - 12.57 mm (outer)
Intake valve length98.05 mm - 98.35 mm
97.65 mm (service limit)
Intake valve head thickness0.85 mm - 1.15 mm
0.6 mm (service limit)
Exhaust valve clearance0.03mm - 0.046 mm
Exhaust valve lift6.869 mm
Exhaust valve concentricty of valve facewithin 0.03 mm
Exhaust valve stem diameter6.955 mm - 6.97 mm
6.935 mm (service limit)
Exhaust valve guide diameter7.00 mm - 7.01 mm (bore)
7.05 mm (bore service limit)
12.56 mm - 12.57 mm (outer)
Exhaust valve length96.63 mm - 96.93 mm
96.23 mm (service limit)
Exhaust valve head thickness0.85 mm - 1.15 mm
0.6 mm (service limit)
Intake valve spring free length49.0 mm (outer spring)
47.8 mm (outer spring service limit)
39.8 mm (inner spring)
39.3 mm (inner spring service limit)
Intake valve fitted load62.6 kg - 72.0 kg (valve closed)
Exhaust valve spring free length49.0 mm (outer spring)
47.8 mm (outer spring service limit)
39.8 mm (inner spring)
39.3 mm (inner spring service limit)
Exhaust valve fitted load30.5 kg - 35.1 kg (valve closed)
 

1969-1972 Honda SL350 Valve Train Specifications Table

AttributeValue
TypeDOHC
Layoutoverhead camshaft
Drive typechain driven
Rocker diameter13.0 mm - 13.027 mm (bore)
 

1969-1972 Honda SL350 Cylinder and Piston Specifications Table

AttributeValue
Cylinder bore diameter64.01 mm - 64.02 mm (bore)
64.11 mm (bore service limit)
Cylinder out of round0.05 mm (service limit)
Cylinder taper0.05 mm (service limit)
Piston diameter63.97 mm - 63.99 mm (outer)
Top piston ring to groove clearance0.03 mm - 0.06 mm
0.18 mm (service limit)
Second piston ring to groove clearance0.015 mm - 0.045 mm
0.165 mm (service limit)
Piston pin diameter14.994 mm - 15.00 mm
Piston pin bore diameter15.002 mm - 15.008 mm
15.05 mm (service limit)
Piston ring oil groove width0.015 mm - 0.045
Top piston ring end gaps0.2 mm - 0.4 mm
0.08 mm (service limit)
Second piston ring end gaps0.2 mm - 0.4 mm
0.08 mm (service limit)
 

1969-1972 Honda SL350 Clutch and Primary Drive Specifications Table

AttributeValue
Reduction ratio3.714 : 1
Clutch typeMulti-plate, wet
Clutch spring free length31.94 mm
30.5 mm (service limit)
Plate warpage0.3 mm (service limit
Friction plate thickness2.62 mm - 2.78 mm
2.3 mm (service limit)
 

1969-1972 Honda SL350 Transmission Specifications Table

AttributeValue
Type5 speed, constant mesh
Gear ratio1st gear = 2.353 : 1
2nd gear = 1.636 : 1
3rd gear = 1.269 : 1
4th gear = 1.036 : 1
5th gear = 0.900 : 1
 

1969-1972 Honda SL350 Final Drive Specifications Table

AttributeValue
Final driveChain
Final drive ratio2.250
 

1969-1972 Honda SL350 Lubrication Specifications Table

AttributeValue
System typeForced pressure and wet sump
Oil capacity2.0 litres (dry fill)
 

1969-1972 Honda SL350 Cooling System Specifications Specifications Table

AttributeValue
System typeAir cooled
 

1969-1972 Honda SL350 Fuel System Specifications Table

AttributeValue
Fuel typeunleaded 95 RON
Fuel tank capacity9.0 litres
Reserve fuel tank capacity2.0 litres
 

1969-1972 Honda SL350 Carburetion Specifications Table

AttributeValue
Carburetor typeConstant velocity
Carburetor manufacturerKeihin
 

1969-1972 Honda SL350 Ignition System Specifications Table

AttributeValue
Spark plug typeNGK B-8ES
 

1969-1972 Honda SL350 Front Suspension and Steering Specifications Table

AttributeValue
TypeTelescopic fork
 

1969-1972 Honda SL350 Rear Suspension Specifications Table

AttributeValue
TypeSwingarm
 

1969-1972 Honda SL350 Front Brake Specifications Table

AttributeValue
Front brake typeInternal expansion
 

1969-1972 Honda SL350 Rear Brake Specifications Table

AttributeValue
Rear brake typeInternal expansion
 

1969-1972 Honda SL350 Wheels and Tyres Specifications Table

AttributeValue
Front wheel size19 inch
Front tyre size3.25-19 (4PR)
Rear wheel size18 inch
Rear tyre size4.00-18 (4PR)
 

1969-1972 Honda SL350 Electrical Charging Specifications Table

AttributeValue
Battery voltage rating12 volts DC
Battery capacity12 ampere hour (Ah)
 

1969-1972 Honda SL350 Electrical Equipment Specifications Table

AttributeValue
Headlight12V - 35/25W high/low beam
Tail / stop light12V -7/23W
 

 

 

Learn more about motorcycles...

As we grow our data we'll be creating neat little tools to collate and display the data you want to see, how you want to see it. There may even be an opportunity to compare different bikes against any of our detailed specifications. Hint, hint.

Want to learn more about Honda motorcycles? Don't miss our Honda motorcycle library.

Are you in search of another bike manufacturer? Our library includes data from a growing range of other motorcycle manufacturers too.

If you think we’re missing something, or you've got valuable expertise working on the 1969-1972 Honda SL350, please give us a shout. We're ambitious in our plans to share knowledge about everything motorcycle. So, if you've something to contribute, please don't hesitate to reach out to us here.  

 

Haynes Manuals

Haynes Motorcycle manuals - Written especially for us bike builders  

  1. BillSF9c
    | Reply

    I was thrilled to find a spec site for the SL350… but yours is lacki g for the 69 and downright totally lost for the 70, on.

Leave a Reply

Your email address will not be published. Required fields are marked *

 

Motorcycle Supplies