Triumph Rocket III Classic - 2008 Specifications and Reviews
The 2008 Triumph Rocket III Classic is a cruiser designed for riders seeking raw power and distinctive character. Its massive 2294cc triple engine delivers 140 horsepower and 147 Nm of torque, making it one of the most powerful cruisers available. Best known for its unconventional three-cylinder engine and commanding presence, it appeals to experienced riders wanting something truly unique.
General information | |
| Category | Classic |
| Year | 2008 |
| Model | Triumph Rocket III Classic |
Engine and Transmission Specifications | |
| Clutch | Wet. multi-plate |
| Transmission typefinal drive | Shaft drive (cardan) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Starter | Electric |
| Ignition | Digital - inductive type - via electronic engine management system |
| Fuel control | DOHC |
| Fuel system | Injection. Multipoint sequential electronic fuel injection |
| Bore x stroke | 101.6 x 94.3 mm (4.0 x 3.7 inches) |
| Compression | 8.7:1 |
| Torque | 147.00 |
| Power | 140.00 |
| Stroke | 4 |
| Engine type | In-line three |
| Capacity: | 2294.00 ccm (139.98 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,694 mm (66.7 inches) |
| Overall width | 970 mm (38.2 inches) |
| Overall length | 2,499 mm (98.4 inches) |
| Overall height | 1,166 mm (45.9 inches) |
| Seat height | 736 mm (29.0 inches) If adjustable, lowest setting. |
| Dry weight | 319.3 kg (704.0 pounds) |
| | |
Triumph Rocket III Classic dimensions and frame | |
| Rear brakes diameter | 316 mm (12.4 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 320 mm (12.6 inches) |
| Front brakes | Double disc |
| Rear tyre dimensions | 240/50-R16 |
| Front tyre dimensions | 150/80-17 |
| Rear suspension | Chromed spring twin shocks with adjustable preload |
| Front suspension | 43mm upside down forks |
| Rake (fork angle) | 32.0° |
| Frame type | Tubular steel. twin spine |
Speed and acceleration | |
| Power/weight ratio | 0.4384 HP/kg |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Cherry Red/New England White. Pacific Blue/Aluminum |
| Fuel capacity | 23.84 litres (6.30 gallons) |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | This is a machine best suited to experienced riders who are comfortable managing a very tall, very heavy cruiser with immense low-end torque. |
| Purpose | Built as a torque-monster cruiser for relaxed highway cruising and effortless roll-on acceleration rather than for cornering or track work. |
| Rider Fit | At over 320 kg dry with a low seat height, it is physically manageable at a standstill but demands strength and confidence to muscle around in slow maneuvers and tight parking. |
| Character | The huge 2.3-liter inline-triple gives it a unique character, dominated by massive torque delivery, a deep exhaust growl, and a stately, unhurried demeanor. |
| Not Ideal For | This is not the bike for riders seeking agility, off-road capability, or a lightweight, flickable ride through twisty roads. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
⚠ Safety Recalls (1)
ON CERTAIN MOTORCYCLES, WHEN THE ENGINE IS RETURNING TO IDLE IT MAY STALL.
Risk: IF THE MOTORCYCLE STALLS, THE RIDER WILL HAVE TO RESTART THE ENGINE INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT AND DOWNLOAD NEW ENGINE MANAGEMENT SOFTWARE FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 17, 2007. OWNERS MAY CONTACT TRIUMPH AT 678-854-2010.
Source: NHTSA. View all Triumph recalls →
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