Tiger Cub T20T 1961
Originally built just for 1961 and shown in that year's sales brochure, not a lot is known about this model apart from it was intended as an off-road/enduro machine. It was available with optional QD lights, used the Trials type Vokes 'D'-shape air filter, wide-ratio gears, high level exhaust, Energy Transfer Ignition, crankcase undershield, side stand only and small triangular toolbox.
According to the excellent book 'Triumph Tiger Cub Bible' by Mike Estall, 40 machines were delivered to the UK military painted in Deep Bronze Green with modifications that later found their way onto the T20M.WD French Army model.
According to the excellent book 'Triumph Tiger Cub Bible' by Mike Estall, 40 machines were delivered to the UK military painted in Deep Bronze Green with modifications that later found their way onto the T20M.WD French Army model.
Specifications for T20T 1961
Engine
Type: Single-cylinder OHV, unit construction
Capacity: 199cc (12.1 cu in)
Bore/Stroke: 63mm (2.480in) x 64mm (2.520in)
Compression: 7:1
Power: 10bhp @ 6000 rpm
Carburettor: Zenith 18MXZC18 or Amal Monobloc 375/44
Camshaft: valve clearances In & Ex. 0.010in (cold)
Clutch: Wet multiplate
Gears: 4
Cycle Parts
Front Suspension: Telescopic forks, hydraulic damped
Rear Suspension: Swing-arm
Front Wheel: 19 inch (WM1 rim)
Rear Wheel: 18 inch (WM2 rim)
Front Tyre: 3.00 x 19
Rear Tyre: 3.50 x 18
Brakes: 5.5 in dia. Single leading shoe drum front and rear
Petrol Tank: 2 5/8 gallons
Oil tank - 2 3/4 pints
Gearbox - 1/3 pint
Primary chaincase - 1/3 pint
Front Fork: 1/4 pint
Electrics
Type: Lucas Energy Transfer
Voltage: 6
Charging Type: RM 13 Alternator
Ignition Timing: 8 degrees BTDC static. 32 degrees fully advanced
Points Gap: 0.014in - 0.016in
Spark Plug: Champion L7 or equivalent
Spark Plug Gap: 0.020in
Engine
Type: Single-cylinder OHV, unit construction
Capacity: 199cc (12.1 cu in)
Bore/Stroke: 63mm (2.480in) x 64mm (2.520in)
Compression: 7:1
Power: 10bhp @ 6000 rpm
Carburettor: Zenith 18MXZC18 or Amal Monobloc 375/44
Camshaft: valve clearances In & Ex. 0.010in (cold)
Clutch: Wet multiplate
Gears: 4
Cycle Parts
Front Suspension: Telescopic forks, hydraulic damped
Rear Suspension: Swing-arm
Front Wheel: 19 inch (WM1 rim)
Rear Wheel: 18 inch (WM2 rim)
Front Tyre: 3.00 x 19
Rear Tyre: 3.50 x 18
Brakes: 5.5 in dia. Single leading shoe drum front and rear
Petrol Tank: 2 5/8 gallons
Oil tank - 2 3/4 pints
Gearbox - 1/3 pint
Primary chaincase - 1/3 pint
Front Fork: 1/4 pint
Electrics
Type: Lucas Energy Transfer
Voltage: 6
Charging Type: RM 13 Alternator
Ignition Timing: 8 degrees BTDC static. 32 degrees fully advanced
Points Gap: 0.014in - 0.016in
Spark Plug: Champion L7 or equivalent
Spark Plug Gap: 0.020in