Technical specifications
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| Model: |
TR6C / SC / SR / SS Trophy |
| Years: |
1961- |
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Engine:
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Four stroke, parallel twin cylinder, OHV
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Capacity:
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649 cc / 39.6 cu in
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Bore x Stroke:
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71 X 82 mm
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Compression Ratio:
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8.5:1
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Valve Clearance (cold):
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Inlet: 0.05mm / 0.002" Exhaust: 0.10mm / 0.004"
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Valve Timing:
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Inlet Valve Opens: 34 degrees BTDC Inlet Valve Closes: 55 degrees BTDC Exhaust Valve Opens: 48 degrees BTDC Exhaust Valve Closes: 27 degrees BTDC
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Induction:
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1 x 30 mm Amal Monobloc carburetor
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Ignition:
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Lucas magneto
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Spark Plug Gap:
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0.50mm / 0.020"
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Timing (fully advanced):
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Crankshaft position 38 degrees BTDC Piston position 11mm / 7/16" BTDC
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Clutch:
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Wet, multi-plate
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Transmission:
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4 Speed
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Final Drive:
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Chain, 101 links
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Gear Ratios:
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4th 4.88 / 3rd 5.81 / 2nd 8.25 / 1st 11.92:1
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Front Suspension:
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Telescopic Forks
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Rear Suspension:
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Swingarm
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Front Brakes:
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Drum
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Rear Brakes:
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Drum
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Front Tyre:
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3.25 - 19
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Rear Tyre:
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4.00 - 18
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Dimensions:
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Length 2190 mm / 86.25 in Width 720 mm / 28.5 in
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Wheelbase:
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1403 mm / 55.2 in
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Seat Height:
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775 mm / 30.5 in
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Dry Weight:
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173 kg / 380 lbs
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Fuel Capacity:
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18 Litres / 4.8 US gal / 4.0 Imp gal
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