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Short answer: The India-market Triumph Bonneville T4 and Honda H’ness CB350 are close in displacement but not identical on paper. Triumph lists a 350 cc liquid-cooled, single-cylinder, four-valve DOHC engine producing 29 PS at 7,000 rpm and 31.2 Nm at 5,500 rpm. Honda lists the H’ness at 348.36 cc and 30 Nm at 3,000 rpm. The T4 also has a six-speed gearbox, slip-and-assist clutch, Bosch electronic fuel injection and electronic throttle control, while Honda highlights Honda Selectable Torque Control (HSTC) and Honda RoadSync. These are manufacturer-published specifications, not the results of an independent comparison test, so they cannot by themselves establish which motorcycle is faster, smoother, more comfortable, safer or more economical in everyday riding.
This comparison treats “Triumph Bonneville 350” as the Triumph Bonneville T4, the Bonneville model identified by Triumph Motorcycles India with its dedicated 350 cc TR Series engine. “Bonneville” by itself can also refer to Triumph motorcycles with substantially larger engines.
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What exactly is the Triumph Bonneville 350?
For this comparison, the relevant motorcycle is the Triumph Bonneville T4 sold in the Indian market. Triumph Motorcycles India identifies the T4 as its Bonneville model using a 350 cc TR Series engine. That distinction matters because Triumph uses the Bonneville name across several engine sizes. A search for “Bonneville 350” can otherwise mix the T4 with larger Bonneville motorcycles or with related 350 cc variants.
The Honda in the comparison is the Honda H’ness CB350 from Honda 2Wheelers India. The two manufacturers’ pages are Indian-market sources, so equipment, trims, dealer terms, prices and availability should be checked in India rather than assumed to apply in another country.
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Triumph Bonneville T4 vs Honda H’ness CB350: specification snapshot
| Specification or feature | Triumph Bonneville T4 | Honda H’ness CB350 |
|---|---|---|
| Displacement | 350 cc | 348.36 cc |
| Engine information published on the cited manufacturer page | Liquid-cooled, single-cylinder, four-valve DOHC TR Series engine | The cited page identifies displacement; the collected specification does not state the engine architecture |
| Published peak power | 29 PS at 7,000 rpm | Not captured in the Honda page result used for this comparison; verify Honda’s complete current specification table before relying on a power comparison |
| Published peak torque | 31.2 Nm at 5,500 rpm | 30 Nm at 3,000 rpm |
| Gearbox information in the cited page | Six-speed gearbox | Not stated in the collected Honda specification |
| Clutch information in the cited page | Slip-and-assist clutch | Not stated in the collected Honda specification |
| Fuel and throttle equipment | Bosch electronic fuel injection with electronic throttle control | Not stated in the collected Honda specification |
| Electronic rider equipment highlighted by the manufacturer | No equivalent item was captured in the cited T4 summary | Honda Selectable Torque Control (HSTC) and Honda RoadSync |
| Source market | Triumph Motorcycles India | Honda 2Wheelers India |
The figures in the table are manufacturer-published values. Because the pages do not provide identical specification tables, “not stated” means that a value was not established in the material available for this comparison; it does not prove that the motorcycle lacks that feature.
Engine displacement, power and torque
Displacement is almost the same
Triumph lists the T4 at 350 cc. Honda lists the H’ness CB350 at 348.36 cc. The numerical gap is small, so displacement alone is not a meaningful basis for declaring a winner. Engine design, gearing, calibration, vehicle mass and the rider’s use all influence how a motorcycle performs, and the cited pages do not provide enough matching data to calculate those outcomes.
Triumph publishes a power figure; the collected Honda result does not
Triumph quotes 29 PS at 7,000 rpm for the Bonneville T4. The Honda page result used here did not expose a corresponding peak-power figure. That is why this article does not present a head-to-head power verdict. Before comparing power-to-weight ratios or acceleration claims, obtain Honda’s complete current specification table for the exact H’ness trim and market.
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The torque numbers are close, but their quoted engine speeds differ
Triumph lists 31.2 Nm at 5,500 rpm. Honda lists 30 Nm at 3,000 rpm. The T4 therefore has the higher published peak-torque number, while Honda quotes its peak at a lower engine speed. Those two facts are useful for understanding the manufacturers’ stated outputs, but they do not prove which bike will accelerate harder in a particular gear or feel stronger in traffic. A real comparison would need controlled testing with the same rider, fuel, road conditions, gearing and measurement method.
Peak torque is one point on an engine’s output curve. It does not show the complete spread of torque, the response to throttle movement, the effect of final-drive gearing or how the engine behaves away from the quoted rpm. Treat the figures as reference data rather than as a substitute for a test ride.
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What the engine architecture tells you—and what it does not
Triumph’s page describes a liquid-cooled, single-cylinder, four-valve DOHC engine. That is a specific architecture and should not be merged with details from another Bonneville variant. The collected Honda result identifies the H’ness displacement but does not state its architecture in the same material. Avoid filling that missing cell from memory when preparing a purchase comparison; use Honda’s full current technical sheet for the exact motorcycle being offered.
Gearbox, clutch and electronic systems
Bonneville T4: six speeds and a slip-and-assist clutch
Triumph lists a six-speed gearbox for the T4 and specifies a slip-and-assist clutch. A six-speed transmission gives the manufacturer another ratio to distribute the engine’s operating range, but the published gear ratios and final-drive ratio are not provided here. Consequently, the specification alone cannot tell you the T4’s cruising rpm, launch performance or overtaking response.
A slip-and-assist clutch is part of the T4’s stated equipment. The manufacturer page does not provide a separate operating explanation or a measured reduction in lever effort, so do not turn the feature name into a quantified comfort claim.
Fuel injection and throttle control
The T4 uses Bosch electronic fuel injection with electronic throttle control according to Triumph’s cited page. This identifies the named systems fitted to the motorcycle. It does not establish real-world fuel economy, cold-start behavior, service intervals or throttle smoothness. Those questions require the complete owner documentation and, for economy or refinement, independent use under comparable conditions.
H’ness CB350: HSTC and Honda RoadSync
Honda highlights Honda Selectable Torque Control (HSTC) and Honda RoadSync for the H’ness CB350. The cited material does not provide a complete operating description, feature limits, phone compatibility list or trim-by-trim availability. Confirm how these systems are implemented on the exact bike at the dealer, particularly if multiple model years or variants are displayed together.
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Because Triumph’s and Honda’s pages emphasize different equipment, the absence of a matching item in the table should not be read as a direct feature defeat. It means only that the corresponding detail was not established in the manufacturer information used here.
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It can establish the published specification difference
- The T4 has the slightly larger nominal displacement: 350 cc versus 348.36 cc.
- Triumph publishes 29 PS at 7,000 rpm for the T4; the collected Honda result does not provide a matching peak-power value.
- Triumph publishes 31.2 Nm at 5,500 rpm; Honda publishes 30 Nm at 3,000 rpm.
- Triumph lists a six-speed gearbox, slip-and-assist clutch, Bosch electronic fuel injection and electronic throttle control.
- Honda highlights HSTC and Honda RoadSync.
It cannot establish a real-world winner
The cited pages are manufacturer model pages, not an independent head-to-head test. They do not establish acceleration, top speed, braking distance, cornering ability, ride comfort, vibration, fuel consumption, reliability, service experience or resale value. No independent sales, owner-survey or laboratory comparison statistic is established here either.
That limitation is important when interpreting the question “Is the Triumph Bonneville T4 better than the Honda H’ness CB350?” Better depends on the criterion. The available evidence supports a specification comparison, not a universal verdict.
How to decide between them without over-reading the numbers
Choose the T4 if its documented equipment and engine specification fit your priorities
The T4 is the one to investigate if you specifically want Triumph’s 350 cc TR Series engine, the published 29 PS and 31.2 Nm figures, a six-speed gearbox, a slip-and-assist clutch, and the named Bosch fuel-injection and electronic-throttle systems. These are reasons to put the T4 on a test-ride shortlist, not proof that it will outperform the Honda in every situation.
Choose the H’ness for a Honda-focused electronics and ownership evaluation
The H’ness deserves a closer look if Honda’s HSTC and RoadSync features matter to you. The page used here does not establish all of the H’ness’s mechanical specifications, so request the complete technical sheet and inspect the exact trim rather than comparing a partial Honda listing with a fuller Triumph listing.
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Let the riding environment determine the test ride
For city use, pay attention to low-speed clutch operation, throttle response, heat management, turning effort and stop-start ergonomics. For highway use, note the engine speed at your intended cruising pace, wind protection and overtaking response. For mixed roads, evaluate suspension control, braking feel and rider posture. These are practical checks, not claims that either manufacturer has already won them.
Variant caution: do not mix T4 and T40 Black figures
Triumph’s separate Bonneville T40 Black page also describes a 350 cc TR Series engine, but it lists 32.2 Nm at 5,500 rpm and 29 PS at 7,000 rpm. The T4 page lists 31.2 Nm at 5,500 rpm. That one-newton-metre difference is a warning against treating “Bonneville 350” as a single universal specification.
When comparing an advertised motorcycle, copy the model name, trim, engine output and equipment from the same official page or brochure. Do not combine the T40 Black torque figure with the T4’s other equipment and call the result a T4 specification. Ask the dealer to identify the exact variant on the registration and invoice documents.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.India purchase checklist
Pricing, taxes, delivery schedules and inventory vary by city and dealer. The manufacturer pages used for the technical comparison do not establish a current on-road price or stock position. Use this checklist before paying a booking amount:
- Confirm that the motorcycle is the Triumph Bonneville T4 or the Honda H’ness CB350, not a similarly named or older variant.
- Record the exact trim, colour and model designation on the quotation.
- Request the latest official specification sheet for that trim, including power, torque, dimensions, weight, braking equipment, tyre sizes, warranty and service schedule.
- Ask which features are standard and which depend on a higher trim or optional package. Pay particular attention to the T4’s six-speed gearbox and slip-and-assist clutch, and to the H’ness features identified as HSTC and Honda RoadSync.
- Obtain the complete on-road calculation for your city, separating ex-showroom price, registration, insurance, taxes, handling charges and any optional items.
- Verify the vehicle identification number, manufacturing date, odometer reading and pre-delivery inspection before accepting delivery.
- Take a test ride on a route that includes low-speed traffic, an open section and a representative rough surface. Record your own observations instead of relying on the torque figures to predict comfort or refinement.
- Ask the dealer for the nearest authorised service location, expected maintenance intervals and the procedure for obtaining replacement parts.
Questions to ask during a test ride
Engine and controls
- Does the throttle respond predictably when you open it by a small amount at walking pace?
- Can you select first gear and neutral easily when the engine is hot?
- Does the clutch lever position suit your hand, and is the engagement point easy to judge?
- On the T4, how does the six-speed gearbox space the ratios at the speeds you actually use?
Ergonomics and traffic
- Can both feet reach the ground comfortably at your normal stopping position?
- Are the handlebar, seat and foot controls comfortable after at least 20 to 30 minutes?
- Can you make a U-turn without excessive effort?
- Do mirrors provide a usable view with your normal riding posture?
Electronics and connectivity
- On the H’ness, ask the dealer to demonstrate HSTC controls and Honda RoadSync pairing on the exact trim.
- On either motorcycle, confirm which warning lights, riding modes or connected functions are actually fitted rather than assuming they are standard across the model name.
Common comparison mistakes
Using “Bonneville 350” without the T4 name
This can pull specifications from larger Bonneville motorcycles or from the T40 Black. Always use “Triumph Bonneville T4” when requesting a quotation or searching for a technical sheet.
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Comparing torque numbers as if they were acceleration times
The T4’s 31.2 Nm and the H’ness’s 30 Nm are measured at different quoted engine speeds. Neither number is an acceleration test. Gear ratios, mass, tyres, rider input and the full torque curve are also necessary for a meaningful performance comparison.
Assuming an unstated Honda specification
The collected Honda page result does not provide a matching peak-power figure or the same engine-architecture detail supplied for the T4. Mark those items as unverified until Honda’s complete current specification for the exact trim is available.
Treating India-market information as global
The cited pages are from Triumph Motorcycles India and Honda 2Wheelers India. Prices, taxes, equipment, warranty terms and availability can differ outside India, so a buyer in another market needs the local manufacturer page and dealer documentation.
Bottom line for the Triumph Bonneville T4 vs Honda H’ness CB350
The published figures show two closely sized motorcycles with different documented emphases. Triumph’s Bonneville T4 has a 350 cc liquid-cooled single-cylinder, four-valve DOHC engine, 29 PS at 7,000 rpm, 31.2 Nm at 5,500 rpm, a six-speed gearbox, a slip-and-assist clutch, Bosch electronic fuel injection and electronic throttle control. Honda’s H’ness CB350 is listed at 348.36 cc and 30 Nm at 3,000 rpm, with HSTC and Honda RoadSync highlighted on the cited page.
Those differences identify what to investigate, not which motorcycle is universally better. Decide using the exact trim, a current India-market quotation, a complete matching specification sheet and a back-to-back test ride. Do not combine figures from the T4 and T40 Black, and do not treat manufacturer torque or power data as independent evidence of road performance.
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