Triumph Thunderbird - 1998 Specifications and Reviews

The 1998 Triumph Thunderbird is a classic middleweight cruiser powered by an 885cc liquid-cooled triple engine delivering 68 horsepower and 70 Nm of torque. Designed for riders seeking authentic British character with manageable performance, the Thunderbird excels as an accessible, stylish cruiser that combines retro aesthetics with reliable modern engineering and genuine riding enjoyment.

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General information

CategoryClassic
Year1998
ModelTriumph Thunderbird
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemLiquid
StarterElectric
Valves per cylinder3
Torque70.00
Power68.00
Stroke4
Engine typeIn-line three
Capacity:885.00 ccm (54.00 cubic inches)

Physical measures and capacities

Seat height750 mm (29.5 inches) If adjustable, lowest setting.
Dry weight220.0 kg (485.0 pounds)
 
 

Triumph Thunderbird dimensions and frame

Front brakesSingle disc

Speed and acceleration

Power/weight ratio0.3091 HP/kg
Top speed195.0 km/h (121.2 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

85 hp
Peak Power
4.8s
0-60 mph
121.2 mph
Top Speed

Best For

Track10%
City45%
Cornering35%
Daily Riding65%
Touring75%
Passenger70%

Rider Profile

Best ForSuitable for riders with at least some experience handling a heavy, torque-heavy cruiser, though the low seat height and manageable power delivery make it approachable for confident newer riders too.
PurposeBuilt for relaxed, torque-driven cruising and long highway stints rather than outright speed or cornering agility.
Rider FitThe low 700mm seat height helps shorter riders plant their feet, but the 308kg dry weight demands good low-speed balance and strength when maneuvering or parking.
CharacterA big, laid-back British cruiser with strong low-end torque, a deep exhaust note, and a commanding, classic custom presence.
Not Ideal ForNot a good fit for riders wanting sharp handling, off-road capability, or high-speed sport performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

1998 Triumph Thunderbird Rider Ergonomics Assessment

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Feet:

At 750mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 1998 Triumph Thunderbird, with a moderate knee angle of around 115 degrees and a forward-leaning riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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