Suzuki TS90 Honcho: history, specs, pictures

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Suzuki ts90 70 01.JPG
Suzuki TS90 Honcho
Manufacturer
Production 1970 - 72
Class Enduro
Engine
Oil injected two stroke, single cylinder, forward inclined, rotary disc valve, Suzuki CCI
Compression ratio 6.8:1
Top Speed 70 mph
Horsepower 11.0 HP (8.2 KW) @ 7500RPM
Torque 8.11 ft/lbs (11.0 Nm) @ 7000RPM
Ignition Flywheel magnetor
Spark Plug NGK B-77HC
Battery 6V, 4Ah
Transmission 5-Speed, constant mesh
Suspension Front: Telescopic forks, coil spring, oil damped
Rear: Swingarm, dual shocks, coil springs
Brakes Front: Drum, internal expanding
Rear: Drum, internal expanding
Front Tire 2.75 - 18 4PR
Rear Tire 2.75 - 18 4PR
Wheelbase 1194 mm / 47.0 in
Weight 89 kg / 197 lbs (dry), 94.0 kg (wet)
Oil Capacity 1.2 L / 1.27 IS qt / 1.55 Imp qt
Recommended Oil Suzuki ECSTAR 10w40
Fuel Capacity 6.0 L / 1.58 US gal / 1.32 Imp gal
Manuals Service Manual

Brochures ·

The Suzuki TS 90 HONCHO was an Oil injected two stroke, single cylinder, forward inclined, rotary disc valve, Suzuki CC Road motorcycle produced by Suzuki from 1970 to 1972. Max torque was 8.11 ft/lbs (11.0 Nm) @ 7000 RPM. Claimed horsepower was 11.0 HP (8.2 KW) @ 7500 RPM.

The 90cc two-stroke single TS90 was introduced in 1970. It had 10 bhp, five speeds and high-drawn exhaust pipe. It was advertised as an enduro machine but just by looking at the pictures you can notice that the close fitting front mudguard made the bike more suitable for roads, or perhaps for dry trails.


Engine[edit]

The engine was an Air cooled cooled Oil injected two stroke, single cylinder, forward inclined, rotary disc valve, Suzuki CCI. The engine featured a 6.8:1 compression ratio.

Drive[edit]

Power was moderated via the Wet, multi-plate.

Chassis[edit]

It came with a 2.75 - 18 4PR front tire and a 2.75 - 18 4PR rear tire. Stopping was achieved via Drum, internal expanding in the front and a Drum, internal expanding in the rear. The front suspension was a Telescopic forks, coil spring, oil damped while the rear was equipped with a Swingarm, dual shocks, coil springs. The TS90 Honcho was fitted with a 6.0 L / 1.58 US gal / 1.32 Imp gal fuel tank. The bike weighed just 89 kg / 197 lbs. The wheelbase was 1194 mm / 47.0 in long.

1970 TS90[edit]

  • FRAME #: N/A
  • ENGINE #: ... N/A
  • ENGINE TYPE: ... 89cc Two-stroke
  • MODEL CODE: ... 250
  • COLOR: Strip Orange, Aspen Yellow
  • Low, chrome front fender
  • S tank emblem
  • White stripe with Suzuki at bottom of tank
  • 5 speed transmission


1971 TS90R[edit]

  • FRAME #: TS90-38894
  • ENGINE #: .. TS90-38917
  • ENGINE TYPE: 89cc Two-stroke
  • MODEL CODE: 250
  • COLOR: Pop Green, Daytona Blue
  • Low, chrome front fender
  • White stripe at bottom of tank
  • 5 speed transmission

1972 TS90J[edit]

1972 Suzuki TS90J


  • FRAME #: TS90-79277
  • ENGINE #: ... TS90-39293
  • ENGINE TYPE: . 89cc Two-stroke
  • MODEL CODE: . 250
  • COLOR: Ascot Red
  • Large white tank stripe
  • High, front fender primary color
  • Rear fender primary color

Specifications[edit]

Make Model Suzuki TS 90 Honcho
Year 1970 - 72
Engine Type Oil injected two stroke, single cylinder, forward inclined, rotary disc valve, Suzuki CCI
Displacement 89 cc / 5.43 cu in
Bore X Stroke 47 x 51.8 mm
Compression 6.8:1
Cooling System Air cooled
Induction Amal VM 19 SC carburetor
Ignition Flywheel magnetor
Spark Plug B-77HC
Starting Kick
Battery 6V, 4Ah
Max Power 8.2 kW / 11 hp @ 7500 rpm
Max Torque 10.6 Nm / 1.08 kgf-m / 7.82 lb-ft @ 7000 rpm
Clutch Wet, multi-plate
Transmission 5-Speed, constant mesh
Final Drive Chain
Primary Reduction 3.173 (73/23)
Gear Ratios 1st 2.818 (31/11) / 2nd 1.866 (28/15) / 3rd 1.388 (25/18) / 4th 1.100 (122/20) / 5th 0.870 (20/23)
Final Reduction 3.642 (51/14)
Front Suspension Telescopic forks, coil spring, oil damped
Rear Suspension Swingarm, dual shocks, coil springs
Front Brakes Drum, internal expanding
Rear Brakes Drum, internal expanding
Front Tire 2.75 - 18 4PR
Rear Tire 2.75 - 18 4PR
Dimensions Length: 1875 mm / 73.8 in Width: 841 mm / 33.1 in Height: 1080 mm / 42.5 in
Wheelbase 1194 mm / 47.0 in
Ground Clearance 173 mm / 6.8 in
Climbing Ability 27o
Dry Weight 89 kg / 197 lbs
Oil Capacity 1.2 L / 1.27 IS qt / 1.55 Imp qt
Gearbox Oil Capacity 0.8 L / 1.69 US pt / 1.40 Imp qt
Fuel Capacity 6.0 L / 1.58 US gal / 1.32 Imp gal
Fuel Reserve 2.0 L / 4.23 US pt / 3.52 Imp pt
Top Speed (claimed) 112 km/h / 70 mph


See Also[edit]