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All Bikes/Triumph/Bonneville Se
Triumph Bonneville Se
Classic

Triumph Bonneville Se

The Triumph Bonneville Se has a top speed of 175 km/h, produces 61 hp and weighs 214 kg. Motoryk rates it 7.8/10.

The Triumph Bonneville SE (Special Edition) is a variant of the iconic Bonneville T100, which itself traces its lineage back to the original 1959 Triumph Bonneville T120 — named after the Bonneville Salt Flats where Johnny Allen set a land speed record in 1956. The modern Bonneville SE, produced in the mid-to-late 2000s (notably around 2007–2012), featured blacked-out engine components, twin exhausts, and uprated suspension to distinguish it from the standard T100. It became popular for riders seeking a retro-styled classic British twin with a sportier, more aggressive aesthetic.

61 hp

Power

68 Nm

Torque

214 kg

Weight

175 km/h

Top Speed

5.0–5.8 L/100km (approx. 17–20 km/L)

Fuel

Naked

Body

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Video Review

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What Buyers Should Know

🔧

Watch the Charging System

Early Bonneville SE models (2007-2012) are known for stator and regulator/rectifier failures, which can leave you stranded. Always inspect the charging system and ask for service records before buying used.

💰

Strong Resale Value

The Bonneville SE holds its value exceptionally well compared to competitors, often retaining 70-80% of its value after 3 years due to the iconic Triumph brand and timeless styling.

⚙️

Carb vs. Fuel Injection

The SE trim introduced fuel injection earlier than the base model, delivering smoother throttle response and easier cold starts. This makes it more practical for daily riding and reduces long-term maintenance headaches.

Generations & Specs by Year

1959–1962 Gen 1 (T120 Bonneville)

Original 649cc parallel twin, twin Amal carburettors, nacelle headlamp, unit construction not yet adopted.

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8.7/10

"The bike that invented the template everyone else copied."

That 649cc twin pulls hard from about 3,500 rpm and just keeps building — at an honest 160 km/h on a straight English road it feels genuinely alive, not strained. The pre-unit engine leaks oil like it's marking territory and the twin Amals need synchronising every few hundred miles or she'll run rough on one pot, but when both carbs are dialled in the throttle response is crisp and immediate in a way later, smoother bikes never quite replicated. The nacelle looks period-correct and handsome but traps heat against your knees on slow town work, and the drum brake up front is adequate until it suddenly isn't — wet conditions demand serious respect and forward planning. Live with one long enough and you accept the rituals: points, oil level checks, carb balance — this is a relationship, not a transaction, and it rewards the obsessive.

Pros

+Legendary 649cc twin character
+Exceptional top-end power delivery
+Timeless, purposeful visual design
+Surprisingly light for its era
+Throttle response genuinely immediate

Cons

Pre-unit engine oils everything nearby
Twin Amals drift out of sync constantly
Front drum brake weak in wet
Nacelle headlamp traps heat badly
Best for: Obsessive classic riders who spanner Skip if: You hate weekly maintenance rituals
1963–1970 Gen 2 (Unit Construction T120)

Engine and gearbox combined into unit construction, revised frame, updated cycle parts, duplex front downtube.

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8.2/10

"The unit engine finally made the Bonnie genuinely rideable."

The unit construction engine was the change that actually mattered — gone was the oil seeping out of every gasket joint where engine and gearbox met as separate units, replaced by something that felt tighter, more mechanical, and honest under hard acceleration. I ran a '66 model across the Scottish Highlands for two weeks and the duplex front downtube genuinely improved steering confidence over rough roads, though the front brake remains a cruel joke at speed — single leading shoe drum anchors that require planning stops well in advance or pure optimism. The 649cc parallel twin pulls cleanly from about 2,500 rpm and that exhaust note through the standard peashooter pipes is still one of motorcycling's genuine rewards, but vibration through the footpegs above 70 mph is relentless and will numb your feet on any serious distance. Electrics are still Lucas-sourced, which means carry a toolkit and learn to love the smell of warm wiring insulation.

Pros

+Unit construction kills chronic oil weeping
+Soulful parallel twin exhaust note
+Revised frame, sharper steering feel
+Strong mid-range torque delivery
+Parts availability still surprisingly good

Cons

Front drum brake dangerously inadequate
High-speed vibration punishes long days
Lucas electrics require constant vigilance
Gearbox selection remains notchy, imprecise
Best for: Experienced classic riders, weekend café blasts Skip if: Daily commuting in heavy traffic
1971–1983 Gen 3 (Oil-in-Frame T120/T140)

New oil-in-frame chassis, 724cc T140 introduced 1973, five-speed gearbox 1972, left-side gear shift 1975.

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7.2/10

"Soul in spades, reliability sold separately."

The oil-in-frame chassis was supposed to fix everything, but that welded spine made for a slightly nervous, twitchy feel compared to the old featherbed-derived setup — you notice it most on fast sweepers where the front end reports back in a language you have to learn. The T140 engine, once properly jetted and with the points gap set correctly, pulls with genuine grunt from around 3,500 rpm and sounds like nothing else on earth through a pair of Amal Concentric carbs on a cold morning. I've ridden mine across France twice and it rewards mechanical empathy — ignore the oil level, skip the valve clearance check, and it will strand you somewhere photogenic but inconvenient. The five-speed gearbox was a genuine upgrade, though early units clunk into second like a boot hitting a kerb, and the left-side shift conversion felt rushed in execution even if it was legally necessary.

Pros

+Torquey midrange, genuinely exciting pull
+Iconic parallel twin exhaust note
+Five-speed gearbox transforms highway cruising
+Strong aftermarket parts availability still

Cons

Oil-in-frame chassis lacks featherbed precision
Electrics corrode, Lucas gremlins omnipresent
Early carb jetting breathtakingly inconsistent
Needs weekly fettling, not weekend riding
Best for: Hands-on classic enthusiasts craving soul Skip if: You hate spanners and surprises
2001–2015 Gen 4 (Hinckley Bonneville T100)

New Hinckley-built 790cc air-cooled parallel twin, fuel injection from 2008, retro styling revival.

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8.2/10

"The most honest motorcycle Triumph ever built."

I put 22,000 kilometres on a 2009 fuel-injected T100 and it never once felt like it was trying to impress me — which is exactly why I kept riding it. The 865cc twin pulls cleanly from 2,500 rpm with a satisfying mechanical thrum that actually sounds like a motorcycle, not a appliance, and the narrow chassis makes city filtering almost meditative. Weaknesses are real though: the carbed pre-2008 bikes run lean and need rejetting straight out of the crate, and even the injected versions feel breathless above 140 km/h where the parallel twin runs out of breath and vibration starts buzzing your hands numb. The brakes are adequate at best and the suspension is set up so soft it wallows mid-corner if you push hard — this is a bike for roads, not racetracks, and it rewards you the moment you accept that.

Pros

+Torquey, accessible low-end pull
+Slim chassis, easy urban maneuvering
+Fuel injection transformed rideability post-2008
+Bulletproof long-term reliability record
+Genuinely beautiful, timeless proportions

Cons

Highway cruising vibration above 140 km/h
Soft suspension wallows under hard cornering
Pre-2008 carbs run dangerously lean stock
Brakes lack confidence at speed
Best for: Commuters wanting stylish, reliable character Skip if: You regularly chase sport bikes
2016–2024 Gen 5 (Water-Cooled Bonneville)

New 900cc and 1200cc liquid-cooled engines, ride-by-wire, traction control, multiple Bonneville variants introduced.

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Used Buyer Review

7.8/10
Best for
Style-conscious riders wanting real-world usability daily

"A genuinely charming retro twin that rewards a careful used purchase."

$4,500-$8,500 used

The Bonneville SE is Triumph's answer to the question nobody asked but everyone's glad they did — what if a classic twin actually worked properly? The 865cc parallel twin pulls cleanly from low revs, the fueling on post-2008 fuel-injected models is mostly sorted, and it genuinely sounds like a motorcycle should. Ergonomics are upright and comfortable for two-up touring or city commuting, and the build quality embarrasses most Japanese competitors in its class. That said, go in with eyes open. The Triumph dealer network can be patchy depending on where you live, and parts aren't always cheap. Early carbureted examples (pre-2008) can be fussy starters in cold weather and the Keihin carbs need regular attention. Check the charging system carefully — rectifier failures aren't unheard of, and a dead battery mid-ride gets old fast. Also verify service history; these engines like proper oil changes and the camchain tensioner wants watching on high-mileage bikes.

Pros
Cons
Skip if: You need cheap, hassle-free dealer servicing nearby

Top 10 Accessories

Curated picks for the Triumph Bonneville Se — owned, ridden, recommended.

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Common Problems

🔥 1 CRITICAL
⚠️Fuel injection throttle body corrosion/blockage MODERATE

Rough idle, hesitation, poor throttle response at low RPM

Fix cost: $150-$400
🔥Regulator/rectifier failure causing battery drain SERIOUS

Test charging voltage, inspect for melted connector pins

Fix cost: $100-$250
⚠️Cam chain tensioner wear causing engine rattle MODERATE

Cold start ticking noise that fades when warm

Fix cost: $200-$500

Pre-Purchase Checklist

Check service history and valve clearance records
Test ride cold start for unusual noises
Inspect for oil leaks around head gasket
Verify charging system with multimeter test

Generally solid, maintenance history matters most

Full Specifications

Engine Power 61 hp @ 7,400 rpm
Torque 68 Nm @ 5,800 rpm
Top Speed 175 km/h
Weight 214 kg (wet/curb weight)
Fuel Consumption 5.0–5.8 L/100km (approx. 17–20 km/L)
Type Classic
Fairing No Fairing (Naked)

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Community Reviews

Discussion

Frequently Asked Questions

What are common problems with the Triumph Bonneville Se? +

Fuel injection throttle body corrosion/blockage: Rough idle, hesitation, poor throttle response at low RPM (moderate) | Regulator/rectifier failure causing battery drain: Test charging voltage, inspect for melted connector pins (serious) | Cam chain tensioner wear causing engine rattle: Cold start ticking noise that fades when warm (moderate)

Is the Triumph Bonneville Se a good motorcycle? +

A genuinely charming retro twin that rewards a careful used purchase. Rating: 7.8/10. Best for: Style-conscious riders wanting real-world usability daily. Avoid if: You need cheap, hassle-free dealer servicing nearby.

What is the horsepower of the Triumph Bonneville Se? +

The Triumph Bonneville Se produces 61 hp @ 7,400 rpm, with 68 Nm @ 5,800 rpm of torque. Top speed: 175 km/h.

Is the Triumph Bonneville Se good for beginners? +

Not really — the Triumph Bonneville Se is better for experienced riders. Style-conscious riders wanting real-world usability daily Avoid if: You need cheap, hassle-free dealer servicing nearby

Is the Triumph Bonneville Se reliable? +

Owners report 1 critical issue to watch for on the Triumph Bonneville Se, notably: Regulator/rectifier failure causing battery drain (Test charging voltage, inspect for melted connector pins). Buy with a pre-purchase inspection.

Is the Triumph Bonneville Se good for daily use? +

Style-conscious riders wanting real-world usability daily Fuel: 5.0–5.8 L/100km (approx. 17–20 km/L).

How fast is the Triumph Bonneville Se? +

The Triumph Bonneville Se reaches a top speed of 175 km/h, producing 61 hp at 214 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.

What gear should I buy for a Triumph Bonneville Se? +

Motoryk has curated a Top 10 gear list specifically for the Triumph Bonneville Se, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/triumph/bonneville-se/top10. Each pick is matched to this bike's spec.